Tag Archives: bearing china

China supplier Wheel Bearing CZPT Deep Groove Ball Bearing 6011-2RS 6012-2RS 6013-2RS 6014-2RS 6015-2rsc3 Agricultural Bearing Motorcycle Bearing Bicycle Bearing Auto Parts agricultural tractor parts

Product Description

  Wheel Bearing CZPT Deep Groove Ball Bearing 6011-2RS 6012-2RS 6013-2RS 6014-2RS 6015-2RSC3 Agricultural Bearing Motorcycle Bearing Bicycle Bearing Auto Parts    

ZheJiang CHIK Bearing Model List:
Package: Neutral Industrial Package, Single Box Package
Material: high chrome GCr15 bearing steel 
Precision Rating: P0 P6 P5 P4
Viberation: Z1V1 Z2V2 Z3V3 Z4V4 
Hardness: 60-64HRC
Lubrication: Oil Grease

groove ball bearing (ZZ, 2RS, Z ,RS, DDU) 60 series 603 604  609
623 series
634 series
61800 series
61800 61801 61802 61803 61804 61805 61806 61807 61808 61809 61820 61821 61822 61824 61826 61828 61834 61838 61840 61852 61860 61864 61872 61876 61880 61888 61892
61900 series
61900 61901 61902 61903 61904 61905 61906 61907 61908 61909 61910 61911 61912 61913 61914 61915 61916 61917 61918 61919 61920 61921 61922 61924 61926 61928 61934 61936 61938 61940 61944 61948 61952 61960 61964 61968 61980 61984 61988 61992
16001 series
16002 16003 16004 16005 16006 16007 16008 16009 16571 16011 16012 16013 16014 16015 16016 16017 16018 16019 16571 16571 16571 16571 16026 16571 16030 16032 16034 16038 16040 16052
6000 series
6200 series
6300 series
6304 6305 6 633 0571 2 6334  
6403 series
  R series R2 R3 R4 R4A R6 R8 R10 R12 R14 R16 R18 R20 R22 R24 R16 R28 R30

Deep Groove Ball Bearings have many design as follows
— Single Row Deep Groove Ball Bearings with open
— Single Row Deep Groove Ball Bearings with double rubber seals
— Single Row Deep Groove Ball Bearings with double shielded
— Single Row Deep Groove Ball Bearings with snap ring groove
— Single row deep groove ball bearings with filling slots
— Contact Seals Single Row Deep Groove Ball Bearing 
— Non-Contact Seals Single Row Deep Groove Ball Bearing
— Flanged Deep Groove Ball Bearings
— Single Row Groove Ball Bearings with extended inner ring
— Thick Walled Deep Groove Ball Bearings
— Thin Section Deep Groove Ball Bearings
— Double Row Deep Groove Ball Bearings


Like with other types of bearings, deep groove ball bearings are used in a wide variety of different industrial machines, including gearboxes, industrial instruments, motors, pumps, internal combustion engines, agricultural machinery, construction equipment, and engineering machinery. Deep groove ball bearings are especially critical to the operation of electrical motors.


No matter what your house looks like, you are pretty much guaranteed to have appliances that use deep groove ball bearings. They’re used in air conditioners, floor polishers, dishwashers, washing machines, dryers, vacuums, and many other appliances that are important in everyone’s daily lives. These appliances require bearings that facilitate running with little noise and vibration and a long service life.
Within the motor of a floor polisher, it utilizes 2 single row deep groove ball bearings. For these bearings to be protected from dust, dirt, and other particles, they need to be equipped with contacting rubber seals. They also require proper lubrication to prevent damage to the polisher, so the appropriate grease needs to be applied per manufacturer standards. Air conditioners have to run silently and utilize 1 single row deep groove ball bearing in both window and portable designs.

With so many different devices requiring deep groove ball bearings to operate, it’s important to have bearings you can rely on. For bearings that you can depend on and a manufacturer that will help you with any issues you may encounter.

Deep Groove Ball Bearing List for CZPT Deep Groove Ball Bearing
6000 Series Deep Groove Ball Bearing
6001 Bearing, 6002 Bearing, 6003 Bearing, 6004 Bearing, 6005 Bearing, 6006 Bearing, 6007 Bearing, 6008 Bearing, 6009 Bearing, 6571 Bearing, 6011 Bearing, 6012 Bearing, 6013 Bearing, 6014 Bearing, 6015 Bearing, 6016 Bearing, 6017 Bearing, 6018 Bearing, 6019 Bearing, 6571 Bearing, 6571 Bearing, 6571 Bearing, 6571 Bearing, 6026 Bearing, 6571 Bearing, 6030 Bearing, 6032 Bearing, 6034 Bearing, 6036 Bearing, 6038 Bearing, 6040 Bearing, 6044 Bearing, 6048 Bearing, 6052 Bearing, 6056 Bearing, 6060 Bearing

6001ZZ Bearing , 6002ZZ Bearing , 6003ZZ Bearing , 6004ZZ Bearing , 6005ZZ Bearing , 6006ZZ Bearing , 6007ZZ Bearing , 6008ZZ Bearing , 6009ZZ Bearing , 6571ZZ Bearing , 6011ZZ Bearing , 6012ZZ Bearing , 6013ZZ Bearing , 6014ZZ Bearing , 6015ZZ Bearing , 6016ZZ Bearing , 6017ZZ Bearing , 6018ZZ Bearing , 6019ZZ Bearing , 6571ZZ Bearing , 6571ZZ Bearing , 6571ZZ Bearing , 6571ZZ Bearing , 6026ZZ Bearing , 6571ZZ Bearing , 6030ZZ Bearing , 6032ZZ Bearing , 6034ZZ Bearing , 6036ZZ Bearing , 6038ZZ Bearing , 6040ZZ Bearing , 6044ZZ Bearing , 6048ZZ Bearing , 6052ZZ Bearing , 6056ZZ Bearing , 6060ZZ Bearing…

6001-2RS Bearing , 6002-2RS Bearing , 6003-2RS Bearing , 6004-2RS Bearing , 6005-2RS Bearing , 6006-2RS Bearing , 6007-2RS Bearing , 6008-2RS Bearing , 6009-2RS Bearing , 6571-2RS Bearing , 6011-2RS Bearing , 6012-2RS Bearing , 6013-2RS Bearing , 6014-2RS Bearing , 6015-2RS Bearing , 6016-2RS Bearing , 6017-2RS Bearing , 6018-2RS Bearing , 6019-2RS Bearing , 6571-2RS Bearing , 6571-2RS Bearing , 6571-2RS Bearing , 6571-2RS Bearing , 6026-2RS Bearing , 6571-2RS Bearing , 6030-2RS Bearing , 6032-2RS Bearing , 6034-2RS Bearing , 6036-2RS Bearing , 6038-2RS Bearing , 6040-2RS Bearing , 6044-2RS Bearing , 6048-2RS Bearing , 6052-2RS Bearing , 6056-2RS Bearing , 6060-2RS Bearing…

6000N Bearing, 6002N Bearing, 6003N Bearing, 6004N Bearing, 6005N Bearing, 6006N Bearing, 6007N Bearing, 6008N Bearing, 6009N Bearing, 6571N Bearing, 6011N Bearing, 6012N Bearing, 6013N Bearing, 6014N Bearing, 6015N Bearing, 6016N Bearing, 6017N Bearing, 6018N Bearing, 6019N Bearing, 6571N Bearing, 6571N Bearing, 6571N Bearing, 6571N Bearing, 6026N Bearing, 6571N Bearing, 6030N Bearing, 6032N Bearing, 6034N Bearing, 6036N Bearing, 6038N Bearing, 6040N Bearing, 6044N Bearing, 6048N Bearing, 6052N Bearing, 6056N Bearing, 6060N Bearing…..
6000NR Bearing, 6002NR Bearing, 6003NR Bearing, 6004NR Bearing, 6005NR Bearing, 6006NR Bearing, 6007NR Bearing, 6008NR Bearing, 6009NR Bearing, 6571NR Bearing, 6011NR Bearing, 6012NR Bearing, 6013NR Bearing, 6014NR Bearing, 6015NR Bearing, 6016NR Bearing, 6017NR Bearing, 6018NR Bearing, 6019NR Bearing, 6571NR Bearing, 6571NR Bearing, 6571NR Bearing, 6571NR Bearing, 6026NR Bearing, 6571NR Bearing, 6030NR Bearing, 6032NR Bearing, 6034NR Bearing, 6036NR Bearing, 6038NR Bearing, 6040NR Bearing, 6044NR Bearing, 6048NR Bearing, 6052NR Bearing, 6056NR Bearing, 6060NR Bearing…..

Main Products:
1. Deep Groove Ball Bearing
2. Self-aliging Ball Bearing
3. Cylindrical Roller Bearing
4. Spherical Roller Bearing,Sinle row,and sealed spherical roller bearing
5. Needle Roller Bearing
6. Angular contact ball Bearing
7. Tapered roller bearing
8. Thrust Ball Bearing
9. Thurst Roller Bearing
10.Bearing Unit
11.Thin Section Bearing
12.Plummer Block housing
13.Insulated bearing
14.Track Roller Bearing
15.Linear motion bearing
16.Slewing Bearing
17.Spherical Plain Bearing



Contact Angle: Standard
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
US$ 0/Piece
1 Piece(Min.Order)

Request Sample



Customized Request


Agricultural Parts

If you’ve been to a farm, you’ve probably seen all kinds of agricultural parts. These mechanical devices are used in agriculture and include hand tools, power tools, tractors and countless farm implements. If you’re not familiar with them, it’s time to review them. Read on to learn more about agricultural parts. Of course, if you’re looking for specific types, you’ll want to know what makes them different.


Modern farmers demand greater productivity and efficiency, lower fuel and other costs. Forged steel is one solution that meets both of these goals. With forged steel agricultural parts, the future of agriculture is bright. In this article, we’ll review some of the key steels used in agricultural equipment and their unique properties. Ultimately, you’ll save money and increase productivity. let’s start. How do steel agricultural parts work?
Steel is corrosion resistant. It can withstand the corrosive elements that agricultural equipment encounters in the field. Steel is also ductile, allowing for design flexibility. Because of these advantages, steel is the first choice for farm and hand tools. Steel also prevents soil from sticking, making cleanup easier. Stainless steel is 100% recyclable and may have antimicrobial properties. In addition to being resistant to corrosion, steel retains its integrity in outdoor conditions.
In addition to the quality of steel agricultural components, it is also important to choose a responsible manufacturer. Whether a company is responsible for the money or just for the money depends on the product the manufacturer offers. Some manufacturers may lack reputational advantages or have workmanship defects. Therefore, it is necessary to pay attention to certain aspects in the production process of steel farming accessories manufacturers.


Cast iron components for agricultural machinery are extremely durable and strong, and are manufactured to meet the needs of leading agricultural machinery manufacturers. They are available in a variety of shapes and weights and can also be customized to meet specific customer requirements. Here are some common uses for iron agricultural parts. Read on to learn about their capabilities and how they can benefit you. Agricultural iron parts are widely used in agricultural equipment such as tractors, combine harvesters, and combine harvesters. Agricultural machinery such as tractors, weeders and harvesters require iron components. Grey cast iron, cast steel and ductile iron are commonly used materials for agricultural machinery parts. The grey cast iron gearbox supports the drive shaft and ensures the correct installation of other components. Grey cast iron has excellent wear resistance and machinability, and also has a damping effect. Below are some common examples of gray iron agricultural machinery parts.


Some of the leading companies in the agricultural industry choose to use aluminium components in their equipment. CZPT is one of these companies. With more than 50 years of experience in the aluminum industry, the company has brought many innovations to the agricultural market. I recently had the opportunity to speak with Jonas Bjuhr, Director of Product Development at CZPT. He shares his insights on agricultural aluminum solutions and his philosophy on how the company does business.
Metal spinning process, also known as spinning and metal turning, is the transformation of metal cylindrical parts into hollow parts. The process works with a variety of metal bases, producing parts that are both strong and durable. CZPT Company has been producing agricultural equipment parts since 1908. It is also known for producing straight seam lock seam irrigation pipes. To deliver the pipes, CZPTs will load railcars on the siding at its plant. However, the rise of PVC pipes has made this process unnecessary. The company has developed standard angle flange connection pipes.


Bronze is a metal alloy composed of copper and tin. As an alloy, it binds two metals together at the molecular level to form a new material. Although people throughout history don’t know why tin and copper were combined to make bronze, an innovative blacksmith discovered the alloy and opened up new possibilities. Bronze agricultural parts are made from a variety of metals, including copper and tin. Below are some common examples.
Plants found at the Raj site are mainly fruit crops, but the archaeological site also includes large amounts of barley and emmer. The lack of chaff suggests that grain processing took place far from the site, suggesting that fruit crops played an important role in the agricultural life of the Raj in the 15th and 12th centuries BC. However, there is very little information on how the grain is processed.
Late Bronze Age sites have cadaveric remains of grains and legumes, but no new crops have been found. In the Iberian region, CZPT is more prominent, while other legumes are less common. Acorns are the only wild fruit consistently found at archaeological sites, suggesting their role in regional survival. The earliest recorded use of pits as storage facilities lasts at least 4,000 years.

Cast iron

CZPT manufactures cast iron agricultural parts that provide strength and durability to a wide variety of agricultural machinery. They meet the exacting specifications of leading agricultural machinery manufacturers, ensuring a reliable product in the field. The company offers a variety of weights and shapes, and can customize solutions for any application. Below are some of the most popular applications for cast iron agricultural parts. Each of these applications offers a range of advantages. The company’s engineers provide state-of-the-art technical solutions.
Cast iron products have a variety of uses in the construction and mining industries. These metals are used to build bridges, building frames, lamp posts, gates, and more. These metals also make excellent engineering materials for water pipes and sewers, manhole covers, and more. Below are some of the most common applications for cast iron agricultural parts. To learn more about the many applications of cast iron agricultural components, visit the university.

Aluminium alloy

If you are interested in replacing metal agricultural parts, consider the advantages of aluminium alloys. Not only is it lightweight, it is also non-corrosive and non-corrosive, making it a perfect replacement for heavier metals. And it’s also better for the environment, which is a growing concern. Learn what you can do with aluminum castings and why you should use them for your agricultural components. We can help you find the right alloy for the application and specific application you are using.
Aluminum alloys are available in different grades, which are further divided into various properties. Different grades are classified according to the main alloy composition. Alloys are selected based on their strength-to-weight ratio and other factors. In addition, they have high levels of ductility, workability and corrosion resistance. Because of these properties, aluminum alloys are widely used in aircraft and many other industrial applications.

Bronze Alloys

One of the most common uses of bronze alloys is in agricultural parts. Its copper-tin composition provides strength and durability. This alloy is also corrosion resistant. Many farmers use bronze for agricultural purposes, especially combine harvesters and other tools. The following article will describe the benefits of bronze in agricultural uses. Read on to learn more. The basic structure of bronze alloys is as follows. Bronze is composed of 88% copper and 12% tin. The ratio of tin increases with melting, while the ratio of copper to tin decreases.
This copper-based metal has unique properties that are indistinguishable by appearance alone. You should look for a metal specialist who can guide you to find the best fit for your needs. CZPT is one of the top copper suppliers and they manufacture their own products. The metal spinning process is the most versatile and consistent method of manufacturing parts. Bronze is a product of adding tin to copper and has many positive properties.

Cast Iron Alloys

CZPT provides rugged cast iron agricultural components for a variety of applications. These castings are manufactured to the exacting requirements of leading agricultural machinery manufacturers, ensuring a reliable product in the field. Their castings come in a variety of shapes and weights and can also be custom designed to meet individual customer requirements. The application of cast iron includes:
Ductile iron, also known as ductile iron, is a special property obtained by adding magnesium to the metal. It is a ductile iron that is spherical due to the addition of magnesium. In the manufacturing process, composition control is important because impurities such as sulfur and oxygen react with magnesium to form different types of ductile iron. These impurities change the shape of the graphite molecules. Different grades of ductile iron are obtained by manipulating the microcrystalline structure of the metal, making austempered ductile iron another type of cast iron.
This ferrite-containing iron is suitable for machining. Its microstructure is similar to mild steel, but it contains enough dissolved silicon to remove the metal’s stickiness. This means that ferritic cast iron castings do not require the addition of sulphur or lead. If high-speed machining is used, false chips will form on the cutting edge. However, the machinability of cast iron makes it an excellent choice for agricultural applications.
What makes agricultural parts so special?

If you’ve been to a farm, you’ve probably seen all kinds of agricultural parts. These mechanical devices are used in agriculture and include hand tools, power tools, tractors and countless farm implements. If you’re not familiar with them, it’s time to review them. Read on to learn more about agricultural parts. Of course, if you’re looking for specific types, you’ll want to know what makes them different.


Modern farmers demand greater productivity and efficiency, lower fuel and other costs. Forged steel is one solution that meets both of these goals. With forged steel agricultural parts, the future of agriculture is bright. In this article, we’ll review some of the key steels used in agricultural equipment and their unique properties. Ultimately, you’ll save money and increase productivity. let’s start. How do steel agricultural parts work?
Steel is corrosion resistant. It can withstand the corrosive elements that agricultural equipment encounters in the field. Steel is also ductile, allowing for design flexibility. Because of these advantages, steel is the first choice for farm and hand tools. Steel also prevents soil from sticking, making cleanup easier. Stainless steel is 100% recyclable and may have antimicrobial properties. In addition to being resistant to corrosion, steel retains its integrity in outdoor conditions.
In addition to the quality of steel agricultural components, it is also important to choose a responsible manufacturer. Whether a company is responsible for the money or just for the money depends on the product the manufacturer offers. Some manufacturers may lack reputational advantages or have workmanship defects. Therefore, it is necessary to pay attention to certain aspects in the production process of steel agricultural accessories manufacturers.

China supplier Wheel Bearing CZPT Deep Groove Ball Bearing 6011-2RS 6012-2RS 6013-2RS 6014-2RS 6015-2rsc3 Agricultural Bearing Motorcycle Bearing Bicycle Bearing Auto Parts   agricultural tractor partsChina supplier Wheel Bearing CZPT Deep Groove Ball Bearing 6011-2RS 6012-2RS 6013-2RS 6014-2RS 6015-2rsc3 Agricultural Bearing Motorcycle Bearing Bicycle Bearing Auto Parts   agricultural tractor parts
editor by CX 2023-04-23

China Supply Deep Groove Bearing for Auto Parts/Agricultural Machinery/Spare Parts agricultural parts suppliers

Product Description

Product Description


Detailed Photos


Q:Are you Manufacturers or trading company?

A:We are an international trading company and focus on marketing of textile machinery andspare parts.We are an international trading company and focus on marketing of textilemachinery and spare parts.

Q:Can I have prices of your products?

A:Welcome. Please feel free to contact us at anytime by email or message here. You will getour reply in 24 hours.

Q:What’s the delivery time for regular order?

A:The standard delivery times is 45-60 Working days For Machinery and 10-25 Workingdays for Spare parts.

Q:Which trade term can you accept?

A:Available trade terms: FOB, CIF , CFR, EXW, CPT,CIP etc.

Q:Which payment term can you accept?

A:100% Payment By T/T, D/P, lrrevocable L/C.

Q:Is there warranty terms of your machine or Spare parts?

A:For machinery, One year warranty for the machine and technical support according to yourrequirment. About spare parts, We will retun value of problem goods if quality factor or others.

Q:How to become your business partner or agent ?

A:We have some agent at different countries for different machinery and parts.

US $12
/ Piece
100 Pieces

(Min. Order)


Classification: Shaft Parts
Processing Type: Metal Processing
Match Machine: Non-woven Fabric Equipment
Material: Metal
Processing Level: Nano Machining
Mechanical Process: Drilling


US$ 10/Piece
1 Piece(Min.Order)

Request Sample

US $12
/ Piece
100 Pieces

(Min. Order)


Classification: Shaft Parts
Processing Type: Metal Processing
Match Machine: Non-woven Fabric Equipment
Material: Metal
Processing Level: Nano Machining
Mechanical Process: Drilling


US$ 10/Piece
1 Piece(Min.Order)

Request Sample

What You Need to Know About Ball Screws

A ball screw is a common industrial component used in various applications. Here’s a basic overview of their features, typical applications, and characteristics. You’ll also learn about their maintenance and repair options. Learn more about ball screws today. We’ve got the answers you’ve been looking for. Scroll down for more information. And be sure to check out our blog for future articles! Until then, enjoy browsing! And happy screwing!

Typical applications

Ball screws are threaded shafts with a ball nut attached to them. These screws operate similar to ball bearings in which hardened steel balls travel a channel. Ball screws are usually used in linear-motion applications because of their high efficiency, load capacity, and positioning accuracy. Although these screws are similar in design to conventional lead screws, ball screws offer some distinct advantages. For example, ball screws are often used in machine tools, step photolithography machines, and microscopic integrated circuits.
For example, the use of larger balls reduces backlash in ball screws by reducing friction between the balls and the grooves. Ball screws can be preloaded using a spring or spacer between two ball nuts or a lead with a spherical offset. However, this method requires higher torque and can lead to excessive heat generation. It’s important to consider the size of preload before using a ball screw in a particular application.
Although the ball screws are highly durable, they are not without their disadvantages. For example, their metal-on-metal nature makes them louder than lead screw nuts. For these reasons, proper preloading is vital. Ball screws also have a very low friction coefficient. Ball screws are ideal for applications where backlash is of critical importance, such as wire bonding. A ball screw is the perfect solution for many applications that require precise motion.
Although ball screws are used in a wide variety of applications, they often are exposed to various types of contaminants. Dust, chips, and liquids can interfere with proper lubrication and shorten the lifespan of the ball screw assembly. Ultimately, these contaminants can lead to catastrophic failure of the assembly. They are also prone to abrasive wear and tear. To combat this, it’s important to lubricate your ball screws frequently.


The accuracy of a ball screw is one of its primary characteristics, so choosing the correct grade is critical. A ball screw with a C5 accuracy grade is typically used in machining centers, while a C3 or even a C1 screw might be needed for image processing or inspection equipment. Ball screw hardness is also an important consideration, as differences in the Ct and C grades will affect their accuracy. Ultimately, the higher the quality of the ball, the longer its life expectancy.
Numerous studies have been conducted to understand the mechanics of ball screw mechanisms. Cuttino et al. studied the nonlinear torque characteristics of ball screws. Then, by calculating the distribution of loads in all balls, they analyzed the load on the screw shaft and the ball screw.
CZPT has decades of experience in the design and production of ball screws for industrial use. With close to 50 years of know-how, this company is able to respond to a highly-complex market and develop new solutions. Their ball screw ranges range from basic to high-precision. Moreover, they can provide dedicated solutions for specific applications, ensuring the highest quality under all circumstances. And they can meet specific customer needs and requirements thanks to their extensive research and development.
A ball screw must be properly mounted. Improper mounting results in noise and vibration, accelerated wear, and material failure. Also, installed auxiliary components must be checked for faults. And, since ball screw mechanisms are often multi-stage, there are different types of ball screw mechanisms. There are two basic types: internal and external recirculation systems. There are many differences between the two types, but these two types have some fundamental similarities.


Ball screw maintenance can be done easily if you know the symptoms of a deteriorating ball screw. Several signs of deterioration can be detected during regular inspections: excessive vibrations, discoloration, and misalignment of the screw. If the screw is accompanied by excessive noises, there could be a bent screw shaft or misaligned bearing housings. Excessive buildup can also cause clicking noises. If you notice excessive noises from the screw, the return tube has probably been damaged or is broken. Other common symptoms include loss of positioning accuracy due to endplay in support bearings and excessive power consumption.
Another sign of a malfunctioning ball screw is noise, but if you can identify the problem before it occurs, you can flush it. A proper flush can solve any noise or extend the life of the ball screw assembly. Moreover, flushing the assembly can also reveal if the bearings are damaged or galled. If the bearings are broken, you can replace them with new ones. You can also contact a professional to perform PM for ball screw assembly.
A ball screw manufacturer recommends periodic lubrication to maximize uptime. In fact, ball screws are pre-lubricated at the factory, but periodic attention to lubrication is advisable. In addition, the lubrication reservoir must be designed to minimize the loss of lubricant. Finally, the wiper system must be designed to maximize wear protection. It is important to have a wiper system that is capable of sealing the nut and the screw shaft.
To choose a company for your ball screw maintenance, it is important to check their qualifications. The company must have a long-term track record in the servicing of different types of ball screws. Their customer service should include free evaluation. Additionally, the company should offer three services: reload, recondition, and replacement. Reload requires cleaning and polishing, reconditioning requires regrinding the ball nut, and replacement means replacing the screw with a new one. If you need a ball screw repair, it is best to contact a professional.

Repair options

A damaged ball screw can shut down a manufacturing line unless the component is repaired quickly. Fortunately, there are several options for repair, including rebuilding, reconditioning, and replacement. Reconditioning and replacement involve remanufacturing the ball screw and ball nut, but both options require new parts. Choosing the best option for your ball screw will depend on how much damage it has suffered and the amount of money it will cost.
In most cases, ball screw repairs can be done on rolled and ground screw types. The process involves eutectic spraying and grinding the screw back to size. Among the three repair options, level 4 repair is the most expensive, but it can bring back the lifespan of the screw. Depending on the severity of damage, AB Linear may recommend level 3 repair to repair damaged ball screws. The following process will restore the screw to good working condition.
First, inspect the ball screw for signs of damage. If the ball screw is making unusual noises or vibrations, replace any worn seals or wipers. Discoloration of the ball nut or lead can indicate an inadequate lubrication. Damaged lube lines can also be the cause of a ball screw failure. Repairing these issues is often a cheaper option than purchasing new. By choosing to repair the component instead of replacing it, you will be saving up to 70% of the cost of a replacement ball screw.
If you do experience problems with your ball screw, the best option is to repair it. The cost of replacing a ball screw is prohibitively high, and it can be difficult to find a qualified repair company that specializes in repairing ball screws. A qualified company can repair the ball screw for a small fee. Regardless of the type of screw, it’s always a good idea to seek qualified assistance if it is experiencing any of these problems.

Application in steering systems

The conventional ball screw device is lacking a device to minimize noise and vibration. Both of these factors contribute to reduced performance and durability of a vehicle. The present invention overcomes these shortcomings. A ball screw device with a lower noise and vibration coefficient increases the durability and performance of a vehicle. In addition, it is easier to install and remove than the conventional version. Listed below are some advantages of ball screws in steering systems.
A ball screw is an important component of an automobile’s power steering system. This type of steering system requires a relatively low level of positional repeatability and precision. The screw is rotated by steering wheel motion and a ball nut engages with a Pitman arm. This arm is the primary linkage between the power steering box and the center link. By virtue of its low-cost and high-performance capabilities, ball screws are a desirable choice in many different automotive steering systems.
A ball screw device can be used in any electric power steering system. The shaft of the ball screw is threaded, and a ball nut is installed at its end. The screw includes a damper to reduce noise and vibration. The ball screw is often coupled with a power steering pump and electric motor to control the torque. In the present invention, the ball screw device incorporates a damper. This damper can increase the durability of the ball screw device.
As a leader in the manufacturing of ball screws, CZPT has been in the aerospace industry for decades. Its extensive experience and specialized expertise allows it to meet the diverse needs of the steering system market. Using this technology, CZPT offers a variety of solutions for this complex application. They can provide better positioning accuracy, higher durability and better control. So, if you’re in need of a ball screw in your steering system, contact CZPT today!

China Supply Deep Groove Bearing for Auto Parts/Agricultural Machinery/Spare Parts     agricultural parts suppliersChina Supply Deep Groove Bearing for Auto Parts/Agricultural Machinery/Spare Parts     agricultural parts suppliers
editor by czh 2022-11-30

China Good quality 32210 45*90*24.75mm Tapered Taper Roller Bearing Auto Parts Agricultural Machinery with high quality

Item Description

Product Description


HangZhou Pengshuo Imp&Exp Trade(manufacturing unit) Co., LTD, is a factory specialized in bearings, specially Wheel Bearings, Deep Groove Ball Bearings, Cylindrical Roller Bearings and so on. We specialize in this discipline for fifteen a long time, with the power of productions and detection equipment, substantial-good quality engineering specialized staff, and workers.
We also specialize in Imp&Exp for 6 years. We had company in Nigeria, to advertise our very own bearing brand”LION”.Our items experienced adopted ISO9001:2000 High quality Method Authorities. 
For more details, we’d like you to search the attachment beneath.

one. How can I get the price tag?
-We typically quotation within 24 hrs following we get your inquiry(Apart from weekend and holidays). If you are quite urgent to get the cost, please email us or get in touch with us in other ways so that we can supply you a quote.

2. Can I buy samples positioning orders?
-Sure. Make sure you really feel free of charge to speak to us.

3. What is your lead time?
-It relies upon on the buy amount and the time you place the purchase.
Generally, we can ship in 7-fifteen times for modest amount and about thirty times for massive amount.

4. What is your payment term?
-T/T, Western Union, MoneyGram, and Paypal. This is negotiable.

5. What is the shipping and delivery approach?
-It could be shipped by sea, by air or by specific(EMS, UPS, DHL, TNT, FEDEX and and so forth). You should verify with us before inserting orders.

six. How do you make our organization long-expression and a good partnership?
-a. We maintain excellent top quality and competitive price to guarantee our customers gain
-b. We respect every single customer as our good friend and we sincerely do organization and make pals with them, no subject where they occur from.

Car Model ALL
OEM Available
hub bearing type wheel bearing
Material Steel
Warranty 1 Year
Brand Name penso
Clearance C0,C2,C3
Car Model ALL
OEM Available
hub bearing type wheel bearing
Material Steel
Warranty 1 Year
Brand Name penso
Clearance C0,C2,C3

Spiral Gears for Right-Angle Right-Hand Drives

Spiral gears are used in mechanical systems to transmit torque. The bevel gear is a particular type of spiral gear. It is made up of two gears that mesh with one another. Both gears are connected by a bearing. The two gears must be in mesh alignment so that the negative thrust will push them together. If axial play occurs in the bearing, the mesh will have no backlash. Moreover, the design of the spiral gear is based on geometrical tooth forms.

Equations for spiral gear

The theory of divergence requires that the pitch cone radii of the pinion and gear be skewed in different directions. This is done by increasing the slope of the convex surface of the gear’s tooth and decreasing the slope of the concave surface of the pinion’s tooth. The pinion is a ring-shaped wheel with a central bore and a plurality of transverse axes that are offset from the axis of the spiral teeth.
Spiral bevel gears have a helical tooth flank. The spiral is consistent with the cutter curve. The spiral angle b is equal to the pitch cone’s genatrix element. The mean spiral angle bm is the angle between the genatrix element and the tooth flank. The equations in Table 2 are specific for the Spread Blade and Single Side gears from Gleason.
The tooth flank equation of a logarithmic spiral bevel gear is derived using the formation mechanism of the tooth flanks. The tangential contact force and the normal pressure angle of the logarithmic spiral bevel gear were found to be about twenty degrees and 35 degrees respectively. These two types of motion equations were used to solve the problems that arise in determining the transmission stationary. While the theory of logarithmic spiral bevel gear meshing is still in its infancy, it does provide a good starting point for understanding how it works.
This geometry has many different solutions. However, the main two are defined by the root angle of the gear and pinion and the diameter of the spiral gear. The latter is a difficult one to constrain. A 3D sketch of a bevel gear tooth is used as a reference. The radii of the tooth space profile are defined by end point constraints placed on the bottom corners of the tooth space. Then, the radii of the gear tooth are determined by the angle.
The cone distance Am of a spiral gear is also known as the tooth geometry. The cone distance should correlate with the various sections of the cutter path. The cone distance range Am must be able to correlate with the pressure angle of the flanks. The base radii of a bevel gear need not be defined, but this geometry should be considered if the bevel gear does not have a hypoid offset. When developing the tooth geometry of a spiral bevel gear, the first step is to convert the terminology to pinion instead of gear.
The normal system is more convenient for manufacturing helical gears. In addition, the helical gears must be the same helix angle. The opposite hand helical gears must mesh with each other. Likewise, the profile-shifted screw gears need more complex meshing. This gear pair can be manufactured in a similar way to a spur gear. Further, the calculations for the meshing of helical gears are presented in Table 7-1.

Design of spiral bevel gears

A proposed design of spiral bevel gears utilizes a function-to-form mapping method to determine the tooth surface geometry. This solid model is then tested with a surface deviation method to determine whether it is accurate. Compared to other right-angle gear types, spiral bevel gears are more efficient and compact. CZPT Gear Company gears comply with AGMA standards. A higher quality spiral bevel gear set achieves 99% efficiency.
A geometric meshing pair based on geometric elements is proposed and analyzed for spiral bevel gears. This approach can provide high contact strength and is insensitive to shaft angle misalignment. Geometric elements of spiral bevel gears are modeled and discussed. Contact patterns are investigated, as well as the effect of misalignment on the load capacity. In addition, a prototype of the design is fabricated and rolling tests are conducted to verify its accuracy.
The three basic elements of a spiral bevel gear are the pinion-gear pair, the input and output shafts, and the auxiliary flank. The input and output shafts are in torsion, the pinion-gear pair is in torsional rigidity, and the system elasticity is small. These factors make spiral bevel gears ideal for meshing impact. To improve meshing impact, a mathematical model is developed using the tool parameters and initial machine settings.
In recent years, several advances in manufacturing technology have been made to produce high-performance spiral bevel gears. Researchers such as Ding et al. optimized the machine settings and cutter blade profiles to eliminate tooth edge contact, and the result was an accurate and large spiral bevel gear. In fact, this process is still used today for the manufacturing of spiral bevel gears. If you are interested in this technology, you should read on!
The design of spiral bevel gears is complex and intricate, requiring the skills of expert machinists. Spiral bevel gears are the state of the art for transferring power from one system to another. Although spiral bevel gears were once difficult to manufacture, they are now common and widely used in many applications. In fact, spiral bevel gears are the gold standard for right-angle power transfer.While conventional bevel gear machinery can be used to manufacture spiral bevel gears, it is very complex to produce double bevel gears. The double spiral bevel gearset is not machinable with traditional bevel gear machinery. Consequently, novel manufacturing methods have been developed. An additive manufacturing method was used to create a prototype for a double spiral bevel gearset, and the manufacture of a multi-axis CNC machine center will follow.
Spiral bevel gears are critical components of helicopters and aerospace power plants. Their durability, endurance, and meshing performance are crucial for safety. Many researchers have turned to spiral bevel gears to address these issues. One challenge is to reduce noise, improve the transmission efficiency, and increase their endurance. For this reason, spiral bevel gears can be smaller in diameter than straight bevel gears. If you are interested in spiral bevel gears, check out this article.

Limitations to geometrically obtained tooth forms

The geometrically obtained tooth forms of a spiral gear can be calculated from a nonlinear programming problem. The tooth approach Z is the linear displacement error along the contact normal. It can be calculated using the formula given in Eq. (23) with a few additional parameters. However, the result is not accurate for small loads because the signal-to-noise ratio of the strain signal is small.
Geometrically obtained tooth forms can lead to line and point contact tooth forms. However, they have their limits when the tooth bodies invade the geometrically obtained tooth form. This is called interference of tooth profiles. While this limit can be overcome by several other methods, the geometrically obtained tooth forms are limited by the mesh and strength of the teeth. They can only be used when the meshing of the gear is adequate and the relative motion is sufficient.
During the tooth profile measurement, the relative position between the gear and the LTS will constantly change. The sensor mounting surface should be parallel to the rotational axis. The actual orientation of the sensor may differ from this ideal. This may be due to geometrical tolerances of the gear shaft support and the platform. However, this effect is minimal and is not a serious problem. So, it is possible to obtain the geometrically obtained tooth forms of spiral gear without undergoing expensive experimental procedures.
The measurement process of geometrically obtained tooth forms of a spiral gear is based on an ideal involute profile generated from the optical measurements of one end of the gear. This profile is assumed to be almost perfect based on the general orientation of the LTS and the rotation axis. There are small deviations in the pitch and yaw angles. Lower and upper bounds are determined as – 10 and -10 degrees respectively.
The tooth forms of a spiral gear are derived from replacement spur toothing. However, the tooth shape of a spiral gear is still subject to various limitations. In addition to the tooth shape, the pitch diameter also affects the angular backlash. The values of these two parameters vary for each gear in a mesh. They are related by the transmission ratio. Once this is understood, it is possible to create a gear with a corresponding tooth shape.
As the length and transverse base pitch of a spiral gear are the same, the helix angle of each profile is equal. This is crucial for engagement. An imperfect base pitch results in an uneven load sharing between the gear teeth, which leads to higher than nominal loads in some teeth. This leads to amplitude modulated vibrations and noise. In addition, the boundary point of the root fillet and involute could be reduced or eliminate contact before the tip diameter.

China supplier CZPT Auto Spare Parts Tapered/Taper Roller Bearing 32015 32017 for Agricultural Machinery with Hot selling

Product Description

ZYS Auto Spare Parts Tapered/Taper Roller Bearing 32015 32017 for Agricultural Machinery

Tapered roller bearings refer to the radial thrust rolling bearings whose rolling body is a tapered roller. There are 2 types of small Angle and large Angle. The taper Angle is mainly subjected to radial and axial combined loads, which are usually in double use and reverse installation. The inner and outer seat rings can be installed separately, and the radial and axial clearance can be adjusted during installation and use. The large cone Angle mainly bears the combined axial and radial load, which is not used to bear the pure axial load separately.

Technical parameters of taper roller bearings:

35712 15 35 11.75
35713 17 40 13.25
35714 20 47 15.25
35715 25 52 16.25
35716 30 62 17.25
35717 35 72 18.25
35718 40 80 19.25
35719 45 85 20.75
35710 50 90 21.75
35711 55 100 22.75
35712 60 110 23.75
35713 65 120 24.75
35714 70 125 26.25
35715 75 130 27.25
35716 80 140 28.25
35717 85 150 30.5
35718 90 160 32.5
35719 95 170 34.5
35710 100 180 37
35711 105 190 39
35712 110 200 41
35714 120 215 43.5
35716 130 230 43.75
35718 140 250 45.75
35710 150 270 49
35712 160 290 52
35714 170 310 57
35716 180 320 57
35718 190 340 60
35710 200 360 64
30302 15 42 14.25
30303 17 47 15.25
30304 20 52 16.25
30305 25 62 18.25
30306 30 72 20.75
30307 35 80 22.75
30308 40 90 25.25
30309 45 100 27.25
3571 50 110 29.25
3571 55 120 31.5
3571 60 130 33.5
3571 65 140 36
3571 70 150 38
3571 75 160 40
3 0571 80 170 42.5
3 0571 85 180 44.5
3 0571 90 190 46.5
3571 95 200 49.5
30320 100 215 51.5
30321 105 225 53.5
30322 110 240 54.5
30324 120 260 59.5
30326 130 280 63.75
30328 140 300 67.75
30330 150 320 72
3571 260 540 114

Designation d D T B C Load Ratings Fatigue Load Speed Ratings Mass
Limit Lubrication
  mm Dynamic [C] Static [C0] Pu(kN) Grease Oil Kg.
32205 25 52 19,25 18 15 45.7 48.4 5.12 10000 13000 0.19
32206 30 62 21,25 20 17 64.4 62.7 6.93 9000 11000 0.28
32207 35 72 24,25 23 19 84.2 85.8 9.35 8000 9500 0.43
32208 40 80 24,75 23 19 93.5 95.2 10.78 7000 8500 0.53
32213 65 120 32,75 31 27 166.1 212.3 25.08 4000 5600 1.5
32214 70 125 33,25 31 27 172.7 228.8 26.95 3800 5300 1.6
32215 75 130 33,25 31 27 177.1 233.2 26.95 3600 5000 1.7
32216 80 140 35,25 33 28 205.7 269.5 31.35 3400 4500 2.05
32217 85 150 38,5 36 30 233.2 313.5 36.85 3200 4300 2.6
32218 90 160 42,5 40 34 276.1 374 42 3000 4000 3.35
32219 95 170 45,5 43 37 309.1 429 47 2800 3800 4.05
32220 100 180 49 46 39 350.9 484 53 2600 3600 4.9
32221 105 190 53 50 43 393.8 561 61 2600 3400 6
32222 110 200 56 53 46 442.2 627 67 2400 3200 7.1
32224 120 215 61,5 58 50 514.8 764.5 79 2200 3000 9.15
32226 130 230 67,75 64 54 605 913 94 2000 2800 1.15
32228 140 250 71,75 68 58 708 1100 110 1900 2600 1.45
32230 150 270 77 73 60 811 1254 123 1700 2400 17.5
32232 160 290 84 80 67 968 1540 145 1600 2200 2.55
32234 170 310 91 86 71 1111 1793 165 1500 2000 28.5
32236 180 320 91 86 71 1111 1793 165 1400 1900 29.5
32240 200 360 104 98 82 1331 2200 198 1300 1700 42.5
32244 220 400 114 108 90 1771 2970 255 1100 1500 60
32248 240 440 127 120 100 1969 3685 303 1000 1400 83.5
32252 260 480 137 130 106 2420 4015 330 900 1200 105
32260 300 540 149 140 115 3571 5225 402 800 1100 140


Model Number  d(mm) D(mm) W(mm) Brand 
33215 3007215E 75 130 41 ZYS
33214 3007214E 70 125 41 ZYS
33213 3007213E 65 120 41 ZYS
33212 30571E 60 110 38 ZYS
33211 3007211E 55 100 35 ZYS
33210 3007210E 50 90 32 ZYS
33209 3007209E 45 85 32 ZYS
33208 3007208E 40 80 32 ZYS
33207 3007207E 35 72 28 ZYS
33205 3007205E 25 52 22 ZYS
33571 30 0571 2E 110 170 47 ZYS
33571 30 0571 1E 105 160 43 ZYS
33571 30 0571 0E 100 150 39 ZYS
33019 35719E 95 145 39 ZYS
33015 35715E 75 115 31 ZYS
33013 35713E 65 100 27 ZYS
33012 35712E 60 95 27 ZYS
32314 7614E 70 150 54 ZYS
32313 7613E 65 140 51 ZYS
32312 7612E 60 130 48.5 ZYS
32311 7611E 55 120 45.5 ZYS
32310 7610E 50 110 42.25 ZYS
32309 7609E 45 100 38.25 ZYS
32308 7608E 40 90 35.25 ZYS
32307 7607E 35 80 32.75 ZYS
32306 7606E 30 72 28.75 ZYS
32305 7605E 25 62 25.25 ZYS
32304 7604E 20 52 22.25 ZYS
32224 7524E 120 215 61.5 ZYS
32222 7522E 110 200 56 ZYS
32221 7521E 105 190 53 ZYS
32220 7520E 100 180 49 ZYS
32219 7519E 95 170 45.5 ZYS
32218 7518E 90 160 42.5 ZYS
32217 7517E 85 150 38.5 ZYS
32216 7516E 80 140 35.25 ZYS
32215 7515E 75 130 33.25 ZYS
32214 7514E 70 125 33.25 ZYS
32213 7513E 65 120 32.75 ZYS
32212 7512E 60 110 29.75 ZYS
32211 7511E 55 100 26.75 ZYS

The characteristics:
1. Enhance the interior design.
2. Special cage design.
3. Improve the accuracy and adjust the internal clearance.
4. Ring with locking slot design to prevent rotation.

 HangZhou Bearing Research Institute Co., Ltd. is a high-tech enterprise specializing in the development of “high-rank, precise, advanced, unique, special” bearing products for the key units in various fields of national economic construction. Its predecessor, HangZhou Bearing Research Institute, was established in 1958. It is the only state-level comprehensive research institute in China’s bearing industry. In 1999, it entered China National Machinery
 Industry Group Co., Ltd. and transformed into a science and technology enterprise.
We have total assets of 2.06 billion RMB, own one research and development center, 3 industrial bases and cover an area of more than 47 hectares. We have advanced bearing manufacturing equipments and world first-class testing equipments and have solid strength in manufacturing, measuring and testing of bearing and related components with high precision and high reliability. We have more than 380 technical staff of bearing related disciplines, thus we maintain a leading position in the aspects of bearing design, basic theoretical research, lubrication technology, metallic and non-metallic materials, testing and industry standards. 

ZYS Manufacturing capacity


ZYS bearing products


Q: Are you trading company or manufacturer?
A: CZPT is bearing manufacturer, the only first-class comprehensive research institute in China bearing industry.

Q: How do you control quality of bearing?
A: CZPT has established quality control systems for each kind of bearing and spindle. All products and services passed ISO9001-2008 Quality Certificate.

Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry for more information.

Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.

Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.

Q: Is sample avaiable?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

There are various types of spline couplings. These couplings have several important properties. These properties are: Stiffness, Involute splines, Misalignment, Wear and fatigue failure. To understand how these characteristics relate to spline couplings, read this article. It will give you the necessary knowledge to determine which type of coupling best suits your needs. Keeping in mind that spline couplings are usually spherical in shape, they are made of steel.

Involute splines

An effective side interference condition minimizes gear misalignment. When 2 splines are coupled with no spline misalignment, the maximum tensile root stress shifts to the left by 5 mm. A linear lead variation, which results from multiple connections along the length of the spline contact, increases the effective clearance or interference by a given percentage. This type of misalignment is undesirable for coupling high-speed equipment.
Involute splines are often used in gearboxes. These splines transmit high torque, and are better able to distribute load among multiple teeth throughout the coupling circumference. The involute profile and lead errors are related to the spacing between spline teeth and keyways. For coupling applications, industry practices use splines with 25 to 50-percent of spline teeth engaged. This load distribution is more uniform than that of conventional single-key couplings.
To determine the optimal tooth engagement for an involved spline coupling, Xiangzhen Xue and colleagues used a computer model to simulate the stress applied to the splines. The results from this study showed that a “permissible” Ruiz parameter should be used in coupling. By predicting the amount of wear and tear on a crowned spline, the researchers could accurately predict how much damage the components will sustain during the coupling process.
There are several ways to determine the optimal pressure angle for an involute spline. Involute splines are commonly measured using a pressure angle of 30 degrees. Similar to gears, involute splines are typically tested through a measurement over pins. This involves inserting specific-sized wires between gear teeth and measuring the distance between them. This method can tell whether the gear has a proper tooth profile.
The spline system shown in Figure 1 illustrates a vibration model. This simulation allows the user to understand how involute splines are used in coupling. The vibration model shows 4 concentrated mass blocks that represent the prime mover, the internal spline, and the load. It is important to note that the meshing deformation function represents the forces acting on these 3 components.

Stiffness of coupling

The calculation of stiffness of a spline coupling involves the measurement of its tooth engagement. In the following, we analyze the stiffness of a spline coupling with various types of teeth using 2 different methods. Direct inversion and blockwise inversion both reduce CPU time for stiffness calculation. However, they require evaluation submatrices. Here, we discuss the differences between these 2 methods.
The analytical model for spline couplings is derived in the second section. In the third section, the calculation process is explained in detail. We then validate this model against the FE method. Finally, we discuss the influence of stiffness nonlinearity on the rotor dynamics. Finally, we discuss the advantages and disadvantages of each method. We present a simple yet effective method for estimating the lateral stiffness of spline couplings.
The numerical calculation of the spline coupling is based on the semi-analytical spline load distribution model. This method involves refined contact grids and updating the compliance matrix at each iteration. Hence, it consumes significant computational time. Further, it is difficult to apply this method to the dynamic analysis of a rotor. This method has its own limitations and should be used only when the spline coupling is fully investigated.
The meshing force is the force generated by a misaligned spline coupling. It is related to the spline thickness and the transmitting torque of the rotor. The meshing force is also related to the dynamic vibration displacement. The result obtained from the meshing force analysis is given in Figures 7, 8, and 9.
The analysis presented in this paper aims to investigate the stiffness of spline couplings with a misaligned spline. Although the results of previous studies were accurate, some issues remained. For example, the misalignment of the spline may cause contact damages. The aim of this article is to investigate the problems associated with misaligned spline couplings and propose an analytical approach for estimating the contact pressure in a spline connection. We also compare our results to those obtained by pure numerical approaches.


To determine the centering force, the effective pressure angle must be known. Using the effective pressure angle, the centering force is calculated based on the maximum axial and radial loads and updated Dudley misalignment factors. The centering force is the maximum axial force that can be transmitted by friction. Several published misalignment factors are also included in the calculation. A new method is presented in this paper that considers the cam effect in the normal force.
In this new method, the stiffness along the spline joint can be integrated to obtain a global stiffness that is applicable to torsional vibration analysis. The stiffness of bearings can also be calculated at given levels of misalignment, allowing for accurate estimation of bearing dimensions. It is advisable to check the stiffness of bearings at all times to ensure that they are properly sized and aligned.
A misalignment in a spline coupling can result in wear or even failure. This is caused by an incorrectly aligned pitch profile. This problem is often overlooked, as the teeth are in contact throughout the involute profile. This causes the load to not be evenly distributed along the contact line. Consequently, it is important to consider the effect of misalignment on the contact force on the teeth of the spline coupling.
The centre of the male spline in Figure 2 is superposed on the female spline. The alignment meshing distances are also identical. Hence, the meshing force curves will change according to the dynamic vibration displacement. It is necessary to know the parameters of a spline coupling before implementing it. In this paper, the model for misalignment is presented for spline couplings and the related parameters.
Using a self-made spline coupling test rig, the effects of misalignment on a spline coupling are studied. In contrast to the typical spline coupling, misalignment in a spline coupling causes fretting wear at a specific position on the tooth surface. This is a leading cause of failure in these types of couplings.

Wear and fatigue failure

The failure of a spline coupling due to wear and fatigue is determined by the first occurrence of tooth wear and shaft misalignment. Standard design methods do not account for wear damage and assess the fatigue life with big approximations. Experimental investigations have been conducted to assess wear and fatigue damage in spline couplings. The tests were conducted on a dedicated test rig and special device connected to a standard fatigue machine. The working parameters such as torque, misalignment angle, and axial distance have been varied in order to measure fatigue damage. Over dimensioning has also been assessed.
During fatigue and wear, mechanical sliding takes place between the external and internal splines and results in catastrophic failure. The lack of literature on the wear and fatigue of spline couplings in aero-engines may be due to the lack of data on the coupling’s application. Wear and fatigue failure in splines depends on a number of factors, including the material pair, geometry, and lubrication conditions.
The analysis of spline couplings shows that over-dimensioning is common and leads to different damages in the system. Some of the major damages are wear, fretting, corrosion, and teeth fatigue. Noise problems have also been observed in industrial settings. However, it is difficult to evaluate the contact behavior of spline couplings, and numerical simulations are often hampered by the use of specific codes and the boundary element method.
The failure of a spline gear coupling was caused by fatigue, and the fracture initiated at the bottom corner radius of the keyway. The keyway and splines had been overloaded beyond their yield strength, and significant yielding was observed in the spline gear teeth. A fracture ring of non-standard alloy steel exhibited a sharp corner radius, which was a significant stress raiser.
Several components were studied to determine their life span. These components include the spline shaft, the sealing bolt, and the graphite ring. Each of these components has its own set of design parameters. However, there are similarities in the distributions of these components. Wear and fatigue failure of spline couplings can be attributed to a combination of the 3 factors. A failure mode is often defined as a non-linear distribution of stresses and strains.

China supplier CZPT Auto Spare Parts Tapered/Taper Roller Bearing 32015 32017 for Agricultural Machinery     with Hot sellingChina supplier CZPT Auto Spare Parts Tapered/Taper Roller Bearing 32015 32017 for Agricultural Machinery     with Hot selling

China supplier Low Noise Distributor ABEC1 6302ZZ/2RS Deep Groove Ball Bearing for Auto Parts/Agricultural Machinery/Spare Parts with Good quality

Product Description


Deep Groove Ball Bearings

-Deep Groove Ball Bearings are CZPT to accommodate low to heavy radial loads and low to moderate thrust loads in either direction. They are available with metal shields (ZZ) or rubber seals (2RS). Several tolerance grades (Abec 1-9), internal clearance (C2 to C4) and cage designs are available to best suit the running precision and speed of the application.

-Deep groove ball bearings are versatile, self-retaining bearings with solid outer rings, inner rings, ball, and cage assemblies
These products are of simple design, durable in operation, and easy to maintain; they are available in single and double row designs and in open and sealed variants.

-Due to the production technology used, open bearings can still have turned recesses on the outer ring for seals or shields
       -Open bearing: Prefix designation Null
       -Sealed on both sides: Prefix designation 2RS
       -Shielded on both sides: Prefix designation 2ZR

6300 Series DGBB

The 6300 series has a larger ball complement and heavier races, which provide greater radial, thrust, and combined load capacities. Functionally, the 6300 series is similar to the 6200 series. Bearings can have permanent metal shields (ZZ) or removable rubber seals (2RS) installed. As with other series, tolerance grades Abec 1-9, internal clearances C2 to C4, and various cage designs are available.

Common Options:

  • ZZ- Two Metal Shields
  • 2RS- Two Rubber Seals
  • NR- Snap Ring
  • M- Brass Cage
  • C0- Normal Internal Clearance
  • C3- Greater than normal

Product Diameter
(d) Bore Diameter
(D) Outer Diameter
(B) Width

(C) Dynamic Load
(Co) Static Load
(Seal) Lubrication Speed
(Grease) Lubrication Speed
(Oil) Lubrication Speed

15 mm
42 mm
13 mm

11400 N 2560 lbf
5400 N 1210 lbf
12000 r/min
17000 r/min
20000 r/min

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6300 Medium Weight Series
Bearing No. dxDxB (mm) Weight(kg) Designation
6300 10 35 11 0.571  6300 Z 6300 ZZ 6300 RS 6300 2RS 6300 N 6300 NR
6301 12 37 12 0.0600  6301 Z 6301 ZZ 6301 RS 6301 2RS 6301 N 6301 NR
6302 15 42 13 0.0820  6302 Z 6302 ZZ 6302 RS 6302 2RS 6302 N 6302 NR
6303 17 47 14 0.1150  6303 Z 6303 ZZ 6303 RS 6303 2RS 6303 N 6303 NR
6304 20 52 15 0.1440  6304 Z 6304 ZZ 6304 RS 6304 2RS 6304 N 6304 NR
6305 25 62 17 0.2193  6305 Z 6305 ZZ 6305 RS 6305 2RS 6305 N 6305 NR
6306 30 72 19 0.3498  6306 Z 6306 ZZ 6306 RS 6306 2RS 6306 N 6306 NR
6307 35 80 21 0.4542  6307 Z 6307 ZZ 6307 RS 6307 2RS 6307 N 6307 NR
6308 40 90 23 0.6394  6308 Z 6308 ZZ 6308 RS 6308 2RS 6308 N 6308 NR
6309 45 100 25 0.8363  6309 Z 6309 ZZ 6309 RS 6309 2RS 6309 N 6309 NR
6310 50 110 27 1.0822  6310 Z 6310 ZZ 6310 RS 6310 2RS 6310 N 6310 NR
6311 55 120 29 1.3500  6311 Z 6311 ZZ 6311 RS 6311 2RS 6311 N 6311 NR
6312 60 130 31 1.7000  6312 Z 6312 ZZ 6312 RS 6312 2RS 6312 N 6312 NR
6313 65 140 33 2.1000  6313 Z 6313 ZZ 6313 RS 6313 2RS 6313 N 6313 NR
6314 70 150 35 2.5000  6314 Z 6314 ZZ 6314 RS 6314 2RS 6314 N 6314 NR
6315 75 160 37 3.0000  6315 Z 6315 ZZ 6315 RS 6315 2RS 6315 N 6315 NR
6316 80 170 39 3.6600  6316 Z 6316 ZZ 6316 RS 6316 2RS 6316 N 6316 NR
6317 85 180 41 4.2800  6317 Z 6317 ZZ 6317 RS 6317 2RS 6317 N 6317 NR
6318 90 190 43 4.0000  6318 Z 6318 ZZ 6318 RS 6318 2RS 6318 N 6318 NR
6319 95 200 45 5.7600  6319 Z 6319 ZZ 6319 RS 6319 2RS 6319 N 6319 NR
6320 100 215 47 7.0000  6320 Z 6320 ZZ 6320 RS 6320 2RS 6320 N 6320 NR
6321 105 225 49 8.0500  6321 Z 6321 ZZ 6321 RS 6321 2RS 6321 N 6321 NR
6322 110 240 50 9.5400    6322 ZZ        
6324 120 260 55 14.500    6324 ZZ        
6326 130 280 58 18.000    6226 ZZ        
6328 140 300 62 22.000    6228 ZZ        
6330 150 320 65 26.000    6230 ZZ        
6332 160 340 68 31.300    6232 ZZ        
6334 170 360 72 35.200             
6336 180 380 75 42.500             

Company Profile

Granville bearing manufacturer in the production of electric motor grade deep groove ball bearings, the company is committed to developing all kinds of precision radial ball bearings with an inner diameter of 2mm-100mm.

The factory covers an area of 58000 square meters, the company has advanced assembly lines and a perfect quality testing center. After more than 10 years of management and innovation, with more than 120 automatic production lines, various kinds of testing, and inspection instruments, with the annual production capacity of 160 million sets of reliable high precision quality bearings.
The comprehensive application of automation production lines is a premise to ensure product’s stable quality, what’s more, it is a mark that the enterprises improve to digital management modern high-tech manufacturer.

Seiko quality, the pursuit of excellence: the control and improvement of quality is the constant pursuit of Granville, in strict accordance with the system of the provisions of the quality of each process.

We strictly follow the core of quality management process control:
APQP: product quality advance plHangZhou
SPC: Statistical process control
MSA: Measurement system analysis
FMEA: Analysis of potential failure modes and consequences
PPAP: Production part approval procedure

In the factory testing laboratories, various bearing parts are examined in detail. The factory has its own professional bearing life tester, after bearing life and durability test, our bearings have the advantages of long service life, and high durability. We are keeping an introduction of the latest measurement and testing equipment. Quality procedures are based on extensive, repeatedly carried out product tests – both before inclusion in the range and after.

We manufacturing:

The Granville manufacturer takes her every effort in purchasing the most advanced bearing process equipment, automatic facilities are widely used in the factory and we keep investing to improve more.

Levels Applications Materials
We manufacture CZPT bearings, the advantage in manufacturing electric motor quality deep groove ball bearings up to ABEC-3, Z3-V3, ABEC-5 Z4-V4 level; A reliable production resource of high-quality repair parts for the aftermarket operations of automotive and light truck manufacturers worldwide, over 1000 kits includes hub assemblies and 3 generations of wheel bearing designs; Granville foundry makes an extensive and full line of mounted bearing units and housings in industry-standard and custom configurations. Casting iron, ductile iron, stainless steel, and plastic materials are available.

Partnerships Reliable Supply-Chain:

Based on our experienced team and strict, effective supply chain management, Granville products deliver premium quality, and performance our customers have relied on for years. From a full range of bearings, mounted bearing units, power transmission products, and related markets around the world, we provide the industry’s most comprehensive range of qualified products available today.

Company Brief Introduction


Four business areas
1.Industrial components and automotive aftermarket accessories  
2. Mechatronics  
3. New energy materials  
4. Medical industry  
Two business cores  
1. Company focuses on supply chain management  
2. Customer service  
* Expand strategic emerging businesses such as CZPT technology  
Continue to innovate through resource integration and business diversification to maintain uniqueness in the market
Provide comprehensive quality products and thoughtful customer service
1.We continue to provide reliable quality products, actively innovate and improve the process to pursue efficiency and effect
2.We value our employees, respect the environment, take responsibility for the communities we live and work in, and protect the environment and natural resources.
Focus on a variety of industries
1.Provide maintenance solutions
2.Optimize customer inventory and reduce cost
Comprehensive product range
2.Oil seals, Transmission belt
3.Chain and Sprocket
4.Hub assembly & Wheel bearings
5.Coupling, castings
6.Linear motion
GIL–High Precision Bearings
TANN–Mounted Bearing Untis
Yangsen–Machine Tool
GILPLUS:medical protection products.         
NEWSCEN: Supplier to In Vitro Diagnostics (IVD) Manufacturers.



*Could you make a brief introduction to your all series of products?
Yes, we stock and sell factory-warrantied mechanical, electrical, and fluid-driven equipment such as bearings, belts, drives, motors, gears, couplings, clutches and brakes, linear motion, and hydraulics and pneumatics.

*How about your sales group?
At Granville, we understand a competent team makes your job easier, so we have established a group of employees who represent our resourcefulness and commitment to working hard to make sure your unique challenges are handled right the first time.

*What’s your solutions for maximizing customers’ benefits?
Our goal is to have your stock requirements on-hand when you need them. Through our storeroom surveys, in-depth communication, and usage analysis, we can reduce your organization’s inventory cost, supply room costs, and turn-around time.

*What’s your shipping document and documents of payment?
Our usual practice is FOB ZheJiang & T/T, and we could adjust them for your requirements.

*What’s the most convenient way to get your free quotation?
Please contact Stacy with your requirements (or Copy the contents of the table and fill in it with your information)

{Hi, this is Stacy, tailored solutions will be sent to you with your message 🙂

RFQ for Free
Company Name:
Name: Mr./Mrs./Miss
Bearing No. :
More Details:

You may like our hot products, please feel free to click them and hope you find what you really want.

Bearing name No.  

Miniature Deep Groove Ball Bearing

6xx product/WwRAMcbHwOkZ/China-High-Precision-Miniature-Deep-Groove-Ball-Bearing–627-628-629-ZZ-2RS-for-Machinery.html
Deep Groove Ball Bearing 6xxx product/jZqfWokheOcw/China-Low-Noise-Distributor-ABEC1-6302ZZ-2RS-Deep-Groove-Ball-Bearing-for-Auto-Parts-Agricultural-Machinery-Spare-Parts.html

Angular Contact Ball Bearing

7xxx product/qFifSYsAhaTV/China-High-Performance-7305-B-Nylon-Cage-Angular-Contact-Ball-Bearing-for-Electrical-Auto.html

Thrust Ball Bearing

5xxxx product/NwFGJPCgLyca/China-Seat-Washers-Avaliable-OEM-51109-Thrust-Ball-Bearing-with-high-quality.html

 Tapered Roller Bearing

3xxxx product/XZrAzbKJlNVs/China-GIL-32203-33112-Tapered-Roller-Bearing-for-Wheel-Automobile-Gearbox-Machine-Tool-Spindle-Construction-Machinery-Large-Agricultural-Machinery-Mill-Roll-Neck.html

Needle Roller Bearings

NK/NKS/RNA product/iwvtVIZhwNkH/China-GIL-Needle-Roller-Bearings-with-Machined-Rings-with-Flanges-without-Flanges.html

Cylindrical Roller Bearing



Spherical Roller Bearing

2xxxx product/jdPTHrMKLwWf/China-23218-23260-Spherical-Roller-Bearings-with-Heavy-Radial-Load-and-Bidirectional-Axial-Load.html

Wheel Bearing



Adapter & Withdrawal Sleeves



Pillow Block

UCP product/sdJApohCfjcG/China-TANN-Best-Price-UCP201-212-Series-Colorful-Cylindrical-Hole-Pillow-Block.html

Square Flange Unit

UCF product/kJQRLyMFhnhv/China-Construction-Agriculture-Generator-UCF201-212-Square-Flange-Unit-for-Conveyor.html

Plummer Block Housings


Oval Flange Units UCFL product/wdbaeXgrkZVQ/China-TANN-China-OE-Manufacture-2-Bolts-UCFL-201-212-Series-Oval-Flange-Units.html
Cartridge Units UCFC product/bmJUoneKqxWD/China-Distributor-Agriculture-Construction-Heavy-Duty-UCFC-201-212-Four-Bolt-Flange-Cartridge-Units.html


Types of Miter Gears

The different types of miter gears include Hypoid, Crown, and Spiral. To learn more, read on. In addition, you’ll learn about their differences and similarities. This article will provide an overview of the different types of miter gears. You can also choose the type that fits your needs by using the guide below. After you’ve read it, you’ll know how to use them in your project. You’ll also learn how to pair them up by hand, which is particularly useful if you’re working on a mechanical component.

Bevel gears

Bevel and miter gears are both used to connect 2 shafts that have different axes. In most cases, these gears are used at right angles. The pitch cone of a bevel gear has the same shape as that of a spur gear, except the tooth profile is slightly tapered and has variable depth. The pinions of a bevel gear are normally straight, but can be curved or skew-shaped. They can also have an offset crown wheel with straight teeth relative to the axis.
In addition to their industrial applications, miter gears are found in agriculture, bottling, printing, and various industrial sectors. They are used in coal mining, oil exploration, and chemical processes. They are an important part of conveyors, elevators, kilns, and more. In fact, miter gears are often used in machine tools, like forklifts and jigsaws.
When considering which gear is right for a certain application, you’ll need to think about the application and the design goals. For example, you’ll want to know the maximum load that the gear can carry. You can use computer simulation programs to determine the exact torque required for a specific application. Miter gears are bevel gears that are geared on a single axis, not two.
To calculate the torque required for a particular application, you’ll need to know the MA of each bevel gear. Fortunately, you can now do so with CZPT. With the help of this software, you can generate 3D models of spiral bevel gears. Once you’ve created your model, you can then machine it. This can make your job much easier! And it’s fun!
In terms of manufacturing, straight bevel gears are the easiest to produce. The earliest method for this type of gear is a planer with an indexing head. Since the development of CNC machining, however, more effective manufacturing methods have been developed. These include CZPT, Revacycle, and Coniflex systems. The CZPT uses the Revacycle system. You can also use a CNC mill to manufacture spiral bevel gears.

Hypoid bevel gears

When it comes to designing hypoid bevel gears for miter and other kinds of gears, there are several important parameters to consider. In order to produce high-quality gearings, the mounting distance between the gear teeth and the pinion must be within a predefined tolerance range. In other words, the mounting distance between the gear teeth and pinion must be 0.05 mm or less.
To make this possible, the hypoid bevel gearset mesh is designed to involve sliding action. The result is a quiet transmission. It also means that higher speeds are possible without increasing noise levels. In comparison, bevel gears tend to be noisy at high speeds. For these reasons, the hypoid gearset is the most efficient way to build miter gears. However, it’s important to keep in mind that hypoid gears are not for every application.
Hypoid bevel gears are analogous to spiral bevels, but they don’t have intersecting axes. Because of this, they can produce larger pinions with smooth engagement. Crown bevel gears, on the other hand, have a 90-degree pitch and parallel teeth. Their geometry and pitch is unique, and they have particular geometrical properties. There are different ways to express pitch. The diametral pitch is the number of teeth, while circumferential measurement is called the circumference.
The face-milling method is another technique used for the manufacture of hypoid and spiral bevel gears. Face-milling allows gears to be ground for high accuracy and surface finish. It also allows for the elimination of heat treatment and facilitates the creation of predesigned ease-off topographies. Face-milling increases mechanical resistance by as much as 20%. It also reduces noise levels.
The ANSI/AGMA/ISO standards for geometric dimensioning differ from the best practices for manufacturing hypoid and bevel gears. The violation of common datum surfaces leads to a number of geometrical dimensioning issues. Moreover, hypoid gears need to be designed to incorporate the base pitches of the mating pinion and the hypoid bevel gear. This is not possible without knowing the base pitch of the gear and the mating pinion.

Crown bevel gears

When choosing crown bevels for a miter gear, you will need to consider a number of factors. Specifically, you will need to know the ratio of the tooth load to the bevel gear pitch radius. This will help you choose a bevel gear that possesses the right amount of excitation and load capacity. Crown bevels are also known as helical gears, which are a combination of 2 bevel gear types.
These bevel gears differ from spiral bevels because the bevels are not intersected. This gives you the flexibility of using a larger pinion and smoother engagement. Crown bevel gears are also named for their different tooth portions: the toe, or the part of the gear closest to the bore, and the heel, or the outermost diameter. The tooth height is smaller at the toe than it is at the heel, but the height of the gear is the same at both places.
Crown bevel gears are cylindrical, with teeth that are angled at an angle. They have a 1:1 gear ratio and are used for miter gears and spur gears. Crown bevel gears have a tooth profile that is the same as spur gears but is slightly narrower at the tip, giving them superior quietness. Crown bevel gears for miter gears can be made with an offset pinion.
There are many other options available when choosing a Crown bevel gear for miter gears. The material used for the gears can vary from plastics to pre-hardened alloys. If you are concerned with the material’s strength, you can choose a pre-hardened alloy with a 32-35 Rc hardness. This alloy also has the advantage of being more durable than plastic. In addition to being stronger, crown bevel gears are also easier to lubricate.
Crown bevel gears for miter gears are similar to spiral bevels. However, they have a hyperbolic, not conical, pitch surface. The pinion is often offset above or below the center of the gear, which allows for a larger diameter. Crown bevel gears for miter gears are typically larger than hypoid gears. The hypoid gear is commonly used in automobile rear axles. They are useful when the angle of rotation is 90 degrees. And they can be used for 1:1 ratios.

Spiral miter gears

Spiral bevel gears are produced by machining the face surface of the teeth. The process follows the Hertz theory of elastic contact, where the dislocations are equivalent to small significant dimensions of the contact area and the relative radii of curvature. This method assumes that the surfaces are parallel and that the strains are small. Moreover, it can reduce noise. This makes spiral bevel gears an ideal choice for high-speed applications.
The precision machining of CZPT spiral miter gears reduces backlash. They feature adjustable locking nuts that can precisely adjust the spacing between the gear teeth. The result is reduced backlash and maximum drive life. In addition, these gears are flexible enough to accommodate design changes late in the production process, reducing risk for OEMs and increasing efficiency and productivity. The advantages of spiral miter gears are outlined below.
Spiral bevel gears also have many advantages. The most obvious of these advantages is that they have large-diameter shafts. The larger shaft size allows for a larger diameter gear, but this means a larger gear housing. In turn, this reduces ground clearance, interior space, and weight. It also makes the drive axle gear larger, which reduces ground clearance and interior space. Spiral bevel gears are more efficient than spiral bevel gears, but it may be harder to find the right size for your application.
Another benefit of spiral miter gears is their small size. For the same amount of power, a spiral miter gear is smaller than a straight cut miter gear. Moreover, spiral bevel gears are less likely to bend or pit. They also have higher precision properties. They are suitable for secondary operations. Spiral miter gears are more durable than straight cut ones and can operate at higher speeds.
A key feature of spiral miter gears is their ability to resist wear and tear. Because they are constantly being deformed, they tend to crack in a way that increases their wear and tear. The result is a harder gear with a more contoured grain flow. But it is possible to restore the quality of your gear through proper maintenance. If you have a machine, it would be in your best interest to replace worn parts if they aren’t functioning as they should.

China supplier Low Noise Distributor ABEC1 6302ZZ/2RS Deep Groove Ball Bearing for Auto Parts/Agricultural Machinery/Spare Parts     with Good qualityChina supplier Low Noise Distributor ABEC1 6302ZZ/2RS Deep Groove Ball Bearing for Auto Parts/Agricultural Machinery/Spare Parts     with Good quality

China Hot selling China Wheel Ball Roller Rolling Bearing/Angular Contact Ball Bearing/7301/OEM CZPT NSK/Agricultural Machinery Parts Bearings Made of Chrome Material Bearing wholesaler

Product Description

DSR Bearing provides the Angular Contact Ball Bearings
Name Angular Contact Ball Bearings
Models 7000, 7200, 7300, 5200, 3300 … or customized
We provide High precision & Stable quality
Material 52100 Bearing Steel GCr15, Plastic, Ceramic, Stainless steel etc.
Sealed Type Open / Steel Shield / Rubber Seals
Clearance C0 C2 C3 C4
Tech Precision Ground, Heat Treated, Polished, Hard Chrome Plated
Feature Low noise, corrosion, rust resistance, and long service life
Applications * Hydraulic Cylinders
* Mining & Construction Equipment
* Agricultural Equipment
* Snow Grooming Machines
* Rail & Tramway
* Oil & Gas
* Ship & Port Machinery
* Solar Energy
* Material Handling Equipment
* and many, many more…
Certificate ISO9001:2015
Delivery time 5-30days, determined by the quantity
Payment terms L/C, T/T
Free Sample The sample charge and shipping fee are paid by the buyer.
Stock Great Supplying Ability
Company Type Manufacturer
Factory Address ZheJiang , China.
Office Address ZheJiang , China.
Workers 200+
MOQ 10 pcs standard bearings
10000 pcs customized your brand bearings
OEM policy We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
We can custom your packaging according to your design
All copyright own by clients and we promised don’t disclose any info.
Packing * Industrial package + outer carton + pallet
* Single box + outer carton + pallet
* Tube package + middle box + outer carton + pallet
* Original packaging + pallet
* According to your requirements
Remark 1. Less than 45kgs, send by Express
2. Between 45 – 150kgs, send by Air
3. More than 150kgs, send by Sea

Single-row Angular contact ball bearings can sustain radial, axial or combined loads with the axial load being from 1 direction. The larger contact angle type has better axial load capacity while the smaller contact angle type has higher speed ratings. Available in bore dimension from 10 mm to 170 mm.

Common Options:
B — 40 degree contact angle
TVP– Polyamide Cage
MP– Machined Brass Cage
G– Flush Ground

Angular contact ball bearing
Model d mm D mm H mm W kg Model d mm D mm H mm W kg Model d mm D mm H mm W kg
7000AC 10 26 8 0.02 7200AC 10 30 9 0.031 7300AC 10 35 11 0.04
7001AC 12 28 8 0.02 7201AC 12 32 10 0.035 7301AC 12 37 12 0.04
7002AC 15 32 9 0.03 7202AC 15 35 11 0.043 7302AC 15 42 13 0.06
7003AC 17 35 10 0.03 7203AC 17 40 12 0.064 7303AC 17 47 14 0.11
7004AC 20 42 12 0.07 7204AC 20 47 14 0.102 7304AC 20 52 15 0.14
7005AC 25 47 12 0.08 7205AC 25 52 15 0.14 7305AC 25 62 17 0.23
7006AC 30 55 13 0.12 7206AC 30 62 16 0.21 7306AC 30 72 19 0.35
7007AC 35 62 14 0.14 7207AC 35 72 17 0.31 7307AC 35 80 21 0.46
7008AC 40 68 15 0.21 7208AC 40 80 18 0.4 7308AC 40 90 23 0.63
7009AC 45 75 16 0.24 7209AC 45 85 19 0.45 7309AC 45 100 25 0.84
7571AC 50 60 16 0.26 7210AC 50 90 20 0.49 7310AC 50 110 27 1.09
7011AC 55 90 18 0.38 7211AC 55 100 21 0.65 7311AC 55 120 29 1.39
7012AC 60 95 18 0.45 7212AC 60 110 22 0.86 7312AC 60 130 31 1.72
7013AC 65 100 18 0.5 7213AC 65 120 23 1.08 7313AC 65 140 33 2.09
7014AC 70 110 20 0.59 7214AC 70 125 24 1.19 7314AC 70 150 35 2.57
7015AC 75 115 20 0.75 7215AC 75 130 25 1.29 7315AC 75 160 37 3.17
7016AC 80 125 22 0.9 7216AC 80 140 26 1.58 7316AC 80 170 39 3.95
7017AC 85 130 22 0.95 7217AC 85 150 28 1.96 7317AC 85 180 41 4.4
7018AC 90 140 24 0.96 7218AC 90 160 30 2.44 7318AC 90 190 43 4.92
7019AC 95 145 24 1.2 7219AC 95 170 32 2.93 7319AC 95 200 45 6.65
7571AC 100 150 24 1.25 7220AC 100 180 34 3.51 7320AC 100 215 47 9.61
7571AC 105 160 26 1.58 7221AC 105 190 36 4.17 7321AC 105 225 49 8.2
7571AC 110 170 28 1.97 7222AC 110 200 38 4.95 7322AC 110 240 50 11.7
7571AC 120 180 28 2.11 7224AC 120 215 40 6.31 7324AC 120 260 55 14
7026AC 130 200 33 3.18 7226AC 130 230 40 7.3 7326AC 130 280 58 18
7571AC 140 210 33 3.46 7228AC 140 250 42 8.71 7328AC 140 300 62 21.9
7030AC 150 225 35 4.98 7230AC 150 270 45 12.1 7330AC 150 320 65 27.75
7032AC 160 240 38 6.8 7232AC 160 290 48 14.5 7332AC 160 340 68 30.8
7034AC 170 260 42 7.98 7234AC 170 310 52 17.2 7334AC 170 360 72 31.2
7036AC 180 280 46 10.7 7236AC 180 320 52 17.9 7336AC 180 380 75 40
7038AC 190 290 46 11 7238AC 190 340 55 22.4 7338AC 190 400 78 47
7040AC 200 310 51 14.9 7240AC 200 360 58 25.2 7340AC 200 420 80 111
Model d mm D mm H mm W kg Model d mm D mm H mm W kg Model d mm D mm B mm W kg
5200 10 30 14.3 0.049 5200-RS 10 30 14.3 0.049 3304D 20 52 22.2 1.5
5201 12 32 15.9 0.057 5201-RS 12 32 15.9 0.057 3305D 25 2 25.4 1.5
5202 15 35 15.9 0.064 5202-RS 15 35 15.9 0.064 3306D 30 72 30.2 1.5
5203 17 40 17.5 0.096 5203-RS 17 40 17.5 0.096 3307D 35 80 34.9 1.5
5204 20 47 20.6 0.153 5204-RS 20 47 20.6 0.153 3308D 40 90 36.5 1.5
5205 25 52 20.6 0.175 5205-RS 25 52 20.6 0.175 3309D 45 100 39.7 1.5
5206 30 60 23.8 0.286 5206-RS 30 60 23.8 0.286 3310D 50 110 44.4 2
5207 35 72 27 0.436 5207-RS 35 72 27 0.436 3311D 55 120 49.2 2
5208 40 80 30.2 0.59 5208-RS 40 80 30.2 0.59 3312D 60 130 54 2.1
5209 45 85 30.2 0.64 5209-RS 45 85 30.2 0.64 3313D 65 140 58.7 2.1
5210 50 90 30.2 0.689 5210-RS 50 90 30.2 0.689 3314D 70 150 63.5 2.5
5211 55 100 33.3 0.986 5211-RS 55 100 33.3 0.986 3315D 75 160 68.3 2.5
5212 60 110 33.3 1.27 5212-RS 60 110 33.3 1.27 3316D 80 170 68.3 3
5213 65 120 38.1 1.57 5213-RS 65 120 38.1 1.57 3317D 85 180 73 3
5214 70 125 39.7 1.8 5214-RS 70 125 39.7 1.8 3318D 90 190 73 3
5215 75 130 41.3 1.9 5215-RS 75 130 41.3 1.9 3319D 95 200 77.8 3.5
5216 80 140 44.4 2.39 5216-RS 80 140 44.4 2.39 3320D 100 215 82.6 3.5
5217 85 150 49.2 3.06 5217-RS 85 150 49.2 3.06 3321D 105 225 87.3 3.5
5218 90 160 52.4 3.73 5218-RS 90 160 52.4 3.73 3322D 110 240 92.1 3.5

ZheJiang CZPT Bearing Co.,ltd is a professional manufacturer of bearings, all kinds of rollers, with more than 15 years experience. Our factory is in ZheJiang and our export office is in ZheJiang . We have established long-term cooperative relations with customers in Canada, Mexico, the United States and other countries and regions. So we also hope to cooperate with you! We believe that our stable quality and competitive price will help you get more market and better development!

After years of development, our company has formed a set of effective and cooperative management models and our business philosophy. “Consider More From the Customer’s Aspect” is our service principle. As a qualified domestic & international trading company, our products are comprehensive and abundant. They are widely used in metallurgy, mining, petroleum, machinery, electric power, paper, grass and other fields. We sincerely hope that there will be more customers from different places to cooperate with our company, and we will provide top service.

We are very confident in our products, and we are sure that we can earn your trust!

Q: What the MOQ of your company?
A: In stock, MOQ is 1pc. 

Q: Could you accept OEM and customize?
A: YES, we can customize for you according to sample or drawing.

Q: Could you supply sample for free?
A: Yes, we can supply sample for free, you only need to pay for the shipping cost.

Q: Is you company factory or Trade Company?
A: We have our own factory, our type is factory + trade.

Q: Could you tell me the material of your bearing?
A: We have chrome steel, carbon steel, stainless steel and ceramic.

Q: Could you offer door to door service?
A: Yes, by express (DHL, FEDEX, TNT, EMS) 4-10 days to your city.

Q: What is your company payment terms?
A: T/T. Western Union, PayPal
Q: Could you tell me the delivery time of your goods?
A: If stock, in 7 days or base on your order quantity.

Dear friend, if you have any questions, contact us please.

How to use the pulley system

Using a pulley system is a great way to move things around your home, but how do you use a pulley system? Let’s look at the basic equations that describe a pulley system, the types of pulleys, and some safety considerations when using pulleys. Here are some examples. Don’t worry, you’ll find all the information you need in 1 place!

Basic equations of pulley systems

The pulley system consists of pulleys and chords. When the weight of the load is pulled through the rope, it slides through the groove and ends up on the other side. When the weight moves, the applied force must travel nx distance. The distance is in meters. If there are 4 pulleys, the distance the rope will travel will be 2×24. If there are n pulleys, the distance traveled by the weight will be 2n – 1.
The mechanical advantage of the pulley system increases with distance. The greater the distance over which the force is applied, the greater the leverage of the system. For example, if a set of pulleys is used to lift the load, 1 should be attached to the load and the other to the stand. The load itself does not move. Therefore, the distance between the blocks must be shortened, and the length of the line circulating between the pulleys must be shortened.
Another way to think about the acceleration of a pulley system is to think of ropes and ropes as massless and frictionless. Assuming the rope and pulley are massless, they should have the same magnitude and direction of motion. However, in this case the quality of the string is a variable that is not overdone. Therefore, the tension vector on the block is labeled with the same variable name as the pulley.
The calculation of the pulley system is relatively simple. Five mechanical advantages of the pulley system can be found. This is because the number of ropes supporting the load is equal to the force exerted on the ropes. When the ropes all move in the same direction, they have 2 mechanical advantages. Alternatively, you can use a combination of movable and fixed pulleys to reduce the force.
When calculating forces in a pulley system, you can use Newton’s laws of motion. Newton’s second law deals with acceleration and force. The fourth law tells us that tension and gravity are in equilibrium. This is useful if you need to lift heavy objects. The laws of motion help with calculations and can help you better understand pulley systems.

Types of pulleys

Different types of pulleys are commonly used for various purposes, including lifting. Some pulleys are flexible, which means they can move freely around a central axis and can change the direction of force. Some are fixed, such as hinges, and are usually used for heavier loads. Others are movable, such as coiled ropes. Whatever the purpose, pulleys are very useful in raising and lowering objects.
Pulleys are common in many different applications, from elevators and cargo lift systems to lights and curtains. They are also used in sewing machine motors and sliding doors. Garage and patio doors are often equipped with pulleys. Rock climbers use a pulley system to climb rocks safely. These pulley systems have different types of pinions that allow them to balance weight and force direction.
The most common type of pulley is the pulley pulley system. The pulley system utilizes mechanical advantages to lift weight. Archimedes is thought to have discovered the pulley around 250 BC. in ancient Sicily. Mesopotamians also used pulleys, they used ropes to lift water and windmills. Pulley systems can even be found at Stonehenge.
Another type of pulley is called a compound pulley. It consists of a set of parallel pulleys that increase the force required to move large objects. This type is most commonly used in rock climbing and sailing, while composite pulleys can also be found in theater curtains. If you’re wondering the difference between these 2 types of pulleys, here’s a quick overview:

Mechanical Advantages of Pulley Systems

Pulley systems offer significant mechanical advantages. The ability of the system to reduce the effort required to lift weights increases with the number of rope loops. This advantage is proportional to the number of loops in the system. If the rope had only 1 loop, then a single weight would require the same amount of force to pull. But by adding extra cycles, the force required will be reduced.
The pulley system has the advantage of changing the direction of the force. This makes it easier to move heavy objects. They come in both fixed and mobile. Pulleys are used in many engineering applications because they can be combined with other mechanisms. If you want to know what a pulley can do, read on! Here are some examples. Therefore, you will understand how they are used in engineering.
Single-acting pulleys do not change direction, but compound pulleys do. Their mechanical advantage is six. The compound pulley system consists of a movable pulley and a fixed pulley. The mechanical advantage of the pulley system increases as the number of movable wheels decreases. So if you have 2 wheels, you need twice as much force to lift the same weight because you need a movable pulley.
The mechanical advantage of a pulley system can be maximized by adding more pulleys or rope lengths. For example, if you have a single pulley system, the mechanical advantage is 1 of the smallest. By using 2 or 3 pulleys, up to 5 times the mechanical advantage can be achieved. You can also gain up to 10 times the mechanical advantage by using multiple pulley systems.
The use of a single movable pulley system also adds to the mechanical advantage of the pulley system. In this case, you don’t have to change the direction of the force to lift the weight. In contrast, a movable pulley system requires you to move the rope farther to generate the same force. Using a compound pulley system allows you to lift heavy loads with ease.

Safety Issues When Using Pulley Systems

Pulleys have an incredibly unique structure, consisting of a disc with a groove in the middle and a shaft running through it. A rope or cord is attached to 1 end of a pulley that turns when force is applied. The other end of the rope is attached to the load. This mechanical advantage means that it is much easier to pull an object using the pulley system than to lift the same object by hand.
Although pulley systems are a common part of many manufacturing processes, some employers do not train their workers to use them properly or install protection to prevent injury. It is important to wear proper PPE and follow standard laboratory safety practices during pulley system activities. Make sure any support structures are strong enough to handle the weight and weight of the rope or rope. If you do fall, be sure to contact your employer immediately.

China Hot selling China Wheel Ball Roller Rolling Bearing/Angular Contact Ball Bearing/7301/OEM CZPT NSK/Agricultural Machinery Parts Bearings Made of Chrome Material Bearing     wholesaler China Hot selling China Wheel Ball Roller Rolling Bearing/Angular Contact Ball Bearing/7301/OEM CZPT NSK/Agricultural Machinery Parts Bearings Made of Chrome Material Bearing     wholesaler

China Professional Internal Combustion Engines, Electric Motors, Rolling Mills, Agricultural Machinery, Household Appliance 16060/Ha 160/800X2f1/F3 Deep Groove Ball Bearing near me manufacturer

Product Description

Deep Groove Ball Bearing:
Deep groove ball bearings are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for low noise and low vibration which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount and require less maintenance than other bearing types.


Q: Are you a trading company or manufacturer?    
A: We are a manufacturer. Factory+Trading company.

Q: Could you please tell me the delivery time of your goods?
A: Most orders will be shipped within 3-10 days of payment being received.

Q:Can you supply door to door service?
A:Yes,by Express(DHL,FEDEX,TNT,EMS)it will take 3-7 das to your country.

Q: Can you tell me the material of your bearings?
A:Stainess steel,Gcr15(bearing steel),carbon steel,chrome steel,plastic,ceramic

Q:How about MOQ of your product?
A: Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.

Q:Do you provide samples ? is it free or extra?
A:Yes,we can supply our clients with free sample,but you have to afford international freight.

Q:Can you accept OEM and customize?
A:Yes,we can customize for you according to your sample,blueprint or drawings with parameters.

Q:Can you tell me the packing of your bearings?
A: single plastic bag+single paper box+single or wooden case+pallet.

Q:Does your company have quality assurance?
A:Yes, for 1 years.

Q:What is the competitiveness of your company’s products compared to other companies?
A:Good Performance, High Precision, High Speed, Low Noise,Long Life.

Q:How about your company’s strength?
A: After Sales Service and Technical Assistance:The company provides after-sales service and technical assistance as per the customer’s requirements and needs.

Q:What are your terms of payment?
A: Payment=3000USD, at least 30% T/T in advance ,balance before shippment.

Q:How to contact us quickly?
A:Please send us an inquiry or message and leave your other contact information, such as phone number,  account or account, we will contact you as soon as possible and provide the detailed information you need.

Should you have any order or request,please do not hesitate to contact us.


The importance of pulleys

A pulley is a wheel that rides on an axle or axle. The purpose of the pulley is to change the direction of the tensioning cable. The cable then transfers the power from the shaft to the pulley. This article explains the importance of pulleys and demonstrates several different uses for this machine. Also, see the Mechanical Advantages section below for the different types. let’s start.

simple machine

A simple pulley machine is a device used to transfer energy. It consists of a wheel with flexible material on the rim and a rope or chain tied to the other end. Then lift the load using the force applied to the other end. The mechanical advantage of this system is one, as the force applied to the load is the same as the force on the pulley shaft.
A simple pulley machine has many benefits, from the ability to build pyramids to building modern buildings with it. Pulleys are also popular with children because they can perform simple tasks such as lifting toys onto a slide, sliding them off the slide, and lifting them up again. These activities, called “transportation” by child development theorists, allow them to learn about the physics of simple machines in the process.
The mechanism works by using cables to transmit force. The cable is attached to 1 side of the pulley and the other side is pulled by the user. Lift the load by pulling on 1 end and the other end of the rope. Simple pulley machines have many commercial and everyday applications, including helping move large objects. They can be fixed or movable, and can be a combination of both. The present invention is a great tool for any beginner or engineer.


The axle wheel is the basic mechanical part that amplifies the force. It may have originally appeared as a tool to lift buckets or heavy objects from a well. Its operation is demonstrated by large and small gears attached to the same shaft. When applied to an object, the force on the large gear F overcomes the force W on the pinion R. The ratio of these 2 forces is called the mechanical advantage.
The ideal mechanical advantage of shaft pulleys is their radius ratio. A large radius will result in a higher mechanical advantage than a small radius. A pulley is a wheel through which a rope or belt runs. Often the wheels are interconnected with cables or belts for added mechanical advantage. The number of support ropes depends on the desired mechanical advantage of the pulley.
In the design of the axle wheel, the axle is the fulcrum and the outer edge is the handle. In simple terms, wheels and axle pulleys are improved versions of levers. The axle pulley moves the load farther than the lever and connects to the load at the center of the axle. Shaft pulleys are versatile and widely used in construction.

rope or belt

Ropes or pulleys are mechanical devices used to move large masses. The rope supports a large mass and can be moved easily by applying a force equal to 1 quarter of the mass to the loose end. Quad pulleys have 4 wheels and provide the mechanical advantage of 4 wheels. It is often used in factories and workshops. It is also a popular choice in the construction industry. If you are installing a pulley in your vehicle, be sure to follow these simple installation instructions.
First, you need to understand the basics of how a rope or pulley works. The machine consists of 1 or more wheels that rotate on an axle. The rope or belt is wrapped around the pulley and the force exerted on the rope is spread around the pulley. It then transfers the force from 1 end of the rope to the other. The pulley system also helps reduce the force required to lift objects.
Another common rope or pulley is the differential pulley. This is similar to a rope pulley, but consists of 2 pulleys of different radii. The tension in the 2 halves of the rope supports half the load that the live pulley should carry. These 2 different types of pulleys are often used together in composite pulley systems.

Mechanical advantage

The mechanical advantage is the ratio of the force used to move the load through the pulley system to the force applied. It has been used to measure the effectiveness of pulley systems, but it also requires assumptions about applied forces and weights. In a simple 1:1 pulley system, the weight lifting the weight is the same as the weight of the person pulling the weight. Adding mechanical advantage can help make up for the lack of manpower.
This advantage stems from the mechanical properties of simple machines. It requires less force and takes up less space and time to accomplish the same task. The same effect can also be achieved by applying less force at a distance. Furthermore, this effect is called the output force ratio. The basic working principle of a pulley system is a rope with a fixed point at 1 end. The movable pulley can be moved with very little force to achieve the desired effect.
The load can be moved through the vertical entry using a simple pulley system. It can use a simple “pulley block” system with a 2:1 “ladder frame” or a 4:1 with dual pulleys. This can be combined with another simple pulley system to create a compound pulley system. In this case, a simple pulley system is pulling another pulley, giving it a 9:1 mechanical advantage.

Commonly used

You’ve probably seen pulley systems in your kitchen or laundry room. You probably already use it to hang clothes on an adjustable clothesline. You may have seen motor pulleys in the kitchens of commercial buildings. You might even have seen 1 on a crane. These machines use a pulley system to help them lift heavy loads. The same goes for theaters. Some pulleys are attached to the sides of the stage, enabling the operator to move up and down the stage.
Pulley systems have many uses in the oil and petroleum industry. For example, in the oil and gas industry, pulley systems are used to lay cables. They are arranged in a pulley structure to provide mechanical energy. When the rope is running, 2 pulleys are hung on the derrick to facilitate smooth running. In these applications, pulleys are very effective in lifting heavy objects.
A pulley is a simple mechanical device that converts mechanical energy into motion. Unlike chains, pulleys are designed to transfer power from 1 location to another. The force required to lift an object with a pulley is the same as that required by hand. It takes the same amount of force to lift a bucket of water, but it’s more comfortable to pull sideways. A bucket of water weighs the same as when lifted vertically, so it’s easy to see how this mechanism can be useful.

Safety Notice

When using pulleys, you should take several safety precautions to keep your employees and other workers on the job site safe. In addition to wearing a hard hat, you should also wear gloves to protect your hands. Using pulleys can lead to a variety of injuries, so it’s important to keep these precautions in mind before using pulleys. Here are some of the most common:
Pulleys are an important piece of equipment to have on hand when lifting heavy objects. Pulleys not only reduce the force required to lift an object, but also the direction of the force. This is especially important if you are lifting heavy objects, such as a lawn mower or motorcycle. Before starting, it is important to make sure that the anchoring system can support the full weight of the object you are lifting.
When using a pulley system, make sure the anchor points are adequate to support the load. Check with the pulley manufacturer to determine the weight it can safely lift. If the load is too large, composite pulleys can be used instead. For vertical lifts, you should use a sprocket set and wear personal protective equipment. Safety precautions when using pulleys are critical to worker health and safety.

China Professional Internal Combustion Engines, Electric Motors, Rolling Mills, Agricultural Machinery, Household Appliance 16060/Ha 160/800X2f1/F3 Deep Groove Ball Bearing     near me manufacturer China Professional Internal Combustion Engines, Electric Motors, Rolling Mills, Agricultural Machinery, Household Appliance 16060/Ha 160/800X2f1/F3 Deep Groove Ball Bearing     near me manufacturer

China Hot selling CZPT Agricultural Bearing UCP305 Pillow Block Bearing near me supplier

Product Description


Pillow Block Ball Bearing Fyh UCP305 Bearing Units Manufacturer

NO 1. Our Advantages
1. 14 years bearing products manufacturing and exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Many sizes of bearing are available. Large quantity bearing can be provided.
4. To respect customers, you can choose the loading port.
5. A certain number of free sample can be provide to support our customer’s after-sale services and warranty.
NO 2. Description Of Pillow Block Bearing
Pillow Block Bearing is the outer diameter of the spherical outer ring with double sealing device, widen the inner ring of deep groove ball bearings, outer spherical ball bearing and all kinds of structure of casting bearing combination or stamping steel housing is set-contained bearing spherical ball bearing. Arrange ushering bearing structure is compact, light weight, small volume, has a good automatic self-aligning performance, to allow self-aligning Angle up to + 10.With the corresponding size is equipped with split compared bearing self-aligning ball bearings, have larger bearing capacity and high speed limits. Related to host a low machining accuracy, bearing inner hole and shaft are usually clearance fit, can be directly with the top silk, eccentric sleeve or set set of fastening and optical axis at any position, convenient installation, especially suitable for the supporting shaft, long axis, stiffness used small deformation of the axis of the host.
NO 3. OEM All Brand Bearing
1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS
2. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,W33
3. cylindrical roller bearing N,NU,NJ,NN,NUP,E,ECP,ECM,ECJ
4. taper roller bearing 35710,30300,32200,32300,31300,32000
5. Aligning ball bearing 1200,1300,2200,2300,
6. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN
7. thrust ball bearing 51100,51200,51300,51400,E,M
8. angular contact ball bearing7000,7100,7200,7300,AC,BECBM,C 
9. spherical plain bearing GE,GEG,GEEW,U,UC,UG,GX,GAC,SA,SABP
10.Wheel hub bearing /ceramic bearing/plastic bearing/lazy susan bearing
NO 4. Pillow Block Bearing Specification

Seals Types OPEN
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-USA/Din100Cr6-Germany
MOQ 1Set at least
Delivery Time 15-45 days after contract
Package Tube package+outer carton+pallets;Single box+outer carton+pallets;
Tube pavkge+middle box+outer carton+pallets;According to your requirement

NO 5. Pillow Block Bearing Models

Models        mm
H L J A N N1 H1 H0 S B
 bolt bearing housing (kg)
30.2 125 96 32 12 16 13 57 11.5 27.4
M10 UC202
P203 0.6
33.3 127 96 37 13 16 14 63.8 12.7 31
M10 UC204-12
P204 0.65
36.5 140 105 38 13 19 15 69.5 14.3 34
M10 UC205-14
P205 0.72
42.9 160 121 44 14 19 16 82 15.9 38.1
M12 UC206-18
P206 1.15
47.6 167 126 48 15 19 17 92 17.5 42.9
M12 UC207-20
P207 1.53
49.2 180 136 52 15 21 18 98 19 49.2
M12 UC208-24
P208 1.88
54 189 146 54 15 21 20 105.5 19 49.2
M12 UC209-26
P209 2.1
57.2 204 159 57 19 22 21 112.2 19 51.6
M16 UC210-30
P210 2.5
63.5 217 172 60 19 22 22 124.5 22.2 55.6
M16 UC211-32
P211 3.3
69.9 238 186 66 19 25 24 137 25.4 65.1
M16 UC212-36
P212 5.5 
76.2 262 203 70 23 29 26 149 25.4 65.1
M20 UC213-40
P213 5.6
79.4 266 210 72 23 29 27 155 30.2 74.6
M20 UC214-44
P214 6.6
82.6 274 217 74 25 29 28 161.6 33.3 77.8
M20 UC215
P215 7.3
UCP216               80
88.9 292 232 78 25 30 30 174 33.3 82.6
M20 UC216  P216 8.3
95.2 310 247 83 25 30 32 186 34.1 85.7
M20 UC217-52
P217 10.8

    Models mm
L J A2 A1 A E N S
 bolt bearing housing (kg)
76 54 15 11 25.5 30.9 11.5 11.5
M10 UC202
F203 0.57
86 64 15 11 25.5 33.3 11.5 12.7
M10 UC204-12
F204 0.61
95 70 16 13 27 35.7 11.5 14.3
M10 UC205-14
F205 0.80
108 83 18 13 31 40.2 11.5 15.9
M10 UC206-18
F206 1.07
117 92 19 15 34 44.4 14 17.5
M12 UC207-20
F207 1.40
130 102 21 15 36 51.2 14 19
M12 UC208-24
F208 1.80
137 105 22 16 38 52.2 16 19
M14 UC209-26
F209 2.20
143 111 22 16 40 54.6 18 19
M16 UC210-30
F210 2.40
162 130 25 18 43 58.4 18 22.2
M16 UC211-32
F211 3.50
175 143 29 18 48 68.7 18 25.4
M16 UC212-36
F212 4.20
187 149 30 22 50 69.7 18 25.4
M16 UC213-40
F213 5.30
193 152 31 22 54 75.4 18 30.2
M16 UC214-44
F214 5.90
200 159 34 22 56 78.5 18 33.3
M16 UC215
F215 6.30
UCF216               80
208 165 34 22 57 83.3 22 33.3
M20 UC216  F216 7.30
220 175 36 24 63 87.6 23 34.1
M20 UC217-52
F217 8.90

 Models (mm) (mm)     (kg)
  d L J A2 A1 A E1 N S1  Bolt  bearing housing  
NAFU202 15 76 54 15 11 25.5 38.4 11.5 13.9 M10 NA202 NF202 0.68
NAFU203 17 76 54 15 11 25.5 38.4 11.5 13.9 M10 NA203 NF203 0.66
NAFU204 20 86 63.5 19 15 29.5 45.5 11.5 17 M10 NA204 NF204 0.77
NAFU205 25 93 70 19 15 30 45.9 11.5 17.4 M10 NA205 NF205 0.95
NAFU206 30 106 82.5 20 16 32.5 50.1 11.5 18.2 M10 NA206 NF206 1.32
NAFU207 35 116 92 21 17 35 53.3 14 18.8 M12 NA207 NF207 1.77
NAFU208 40 129 101.5 24 17 39 58.6 14 21.4 M12 NA208 NF208 2.22
NAFU209 45 135 105 24 18 40 58.9 16 21.4 M14 NA209 NF209 2.63
NAFU210 50 143 111 28 20 45 66.1 18 24.6 M16 NA210 NF210 2.95
NAFU211 55 162 130 31 21 49 74.6 18 27.7 M16 NA211 NF211 4.1
NAFU212 60 175 143 34 22 53.5 80.8 18 30.9 M16 NA212 NF212 4.86
NAFU213 65 184 149 38 22 58 89.6 18 34.1 M16 NA213 NF213 5.9
NAFU214 70 188 152 38 23 60 89.6 18 34.1 M16 NA214 NF214 6.45
NAFU215 75 200 159 41 24 62 95.8 18 37.3 M16 NA215 NF215 7.55
NAFU216 80 207 165 42 25 63 99.9 22 37.3 M20 NA216 NF216 8.65

Shaft Dia. Dimensions(mm) Bolt Used Bearing
  (in) (mm) a e i g l s b z Bi n (mm) (in)      
UCFL202   15 99 76.5 15 11 25.5 11.5 57 30.9 31.0 11.5 M10 3/8 UC202 FL203 0.45
    202-10 5/8                             202-10    
    203   17                           203    
    203-11 11/16                             203-11    
3/4 20 113 90 15 11 22.5 11.5 60 33.3 31.0 12.7 M10 3/8 UC204
FL204 0.48
UCFL205   25 130 99 16 13 27 11.5 68 35.7 34.0 14.3 M10 3/8 UC205  
    205-13 13/16                             205-13    
    205-14 7/8                             205-14    
    205-15 15/16                             205-15    
    205-16 1                             205-16    
UCFL206   30  
UC206 FL206 0.9
    206-17 11/16                             206-17    
    206-18 11/8                             206-18    
    206-19 13/16                             206-19    
    205-16 11/4                             206-20    
UCFL207   35 161 130 19 14 34 14 90 44.4 42.9 19.0 M12 1/2 UC207  
    207-20 11/4                             207-20    
    207-21 15/16                             207-21    
    207-22 13/8                             207-22    
    207-23 17/16                             207-23    
UCFL208   40 175 144 21 14 36 14 100 51.2 49.2 19.0 M12 1/2 UC208 FL208 1.6
    208-24 11/2                             208-24    
    208-25 19/16                             208-25    
UCFL209   45 188 148 22 16 38 18 108 52.2 49.2 19.0 M16 5/8 UC209 FL209 1.9
    209-26 15/8                             209-26    
    209-27 111/16                             209-27    
    209-28 13/4                             209-28    
UCFL210   50 197 157 22  
40 18 115 54.6 51.6 19.0 M16 5/8 UC210  
   210-29 113/16                             210-29    
   210-30 17/8                             210-30    
   210-31 115/16                             210-31    
   210-32 2                             210-32    
UCFL211   55  
    211-32 2                             211-32    
    211-33 21/16                             211-33    
    211-34 21/8                             211-34    
    211-35 23/16                             211-35    
UCFL212   60  
    212-36 21/4                             212-36    
    212-37 25/16                             212-37    
    212-38 23/8                             212-38    
    212-39 27/16                             212-39    
UCFL213   65 258 210 30 20 50 23 155 69.7 65.1 25.4 M20 3/4 UC213 FL213 5.0
    213-40 21/2                             213-40    
    213-41 29/16                             213-41    
UCFL214   70 265 216 31 20 54 23 160 75.4 74.6 30.2 M20 3/4 UC214 FL214 5.6
   214-42 25/8                             214-42    
   214-43 211/16                             214-43    
    214-44 23/4                             214-44    
UCFL215   75  
    215-45 213/16                             215-45    
    215-46 27/8                             215-46    
    215-46 215/16                             215-47    
    215-48 3                             215-48    
31/8 80 290 233 34 20 57 25 180 83.3 82.6 33.3 M22 7/8 UC216
FL216 7.8


Why Choose Us
-We are an industrial and trading company.We have our own brand: SFNB .If you interested in our product,I can take you to visit our factory.
-Our factory have advanced testing equipment,before the every product leave the factory,we will be testing.We can send samples to you,you can test the quality,and if you accept the sample quality,we can promise: the follow-up orders’ quality will be the same as samples.
-About ordinary standard type of bearing ,We have rich inventory,not have MOQ,if your need a product is Non-standard size,need customize,we will according the product size to determine the MOQ.
-Our company can accept OEM,you can send sample to me,we can manufacturing products the same as sample.Meanwhile,we also can accept some well-known brands of OEM,If the amount of money is less,you can pay it by Paypal.Of course you can payment by TT or Western Union etc.

How to find quality agricultural accessories

Agricultural accessories are very important in tractors, harvesters and more. If you’re in the market for new agricultural parts, you may want to choose steel. Steel is the best choice for agricultural equipment because it is corrosion-resistant, durable and cost-effective. However, you also need to consider other materials such as aluminum and plastic. Here are some tips for finding quality agricultural parts. Hope this information is helpful to you.

Steel is the best metal for farm equipment

Steel has many benefits, but why is it the best metal for farm equipment? Steel is lightweight and corrosion-resistant, making it ideal for agricultural applications. It has many other benefits, including resistance to chemical pesticides. Stainless steel is highly recyclable and has antimicrobial properties. It retains its integrity even when exposed to outdoor temperatures. It also has the added advantage of being able to withstand the rigors of agricultural life.
Agricultural machinery made of steel is also known for its durability. Agricultural equipment made of steel is known for its durability and ease of maintenance. Steel has a smooth surface that is easy to clean, which is especially important in dairy farming, where smooth surfaces are critical to maintaining the quality of raw milk. For those who need metal parts for agricultural equipment, Guocai is the best source. Their team of experts can help you find the right metal for your agricultural equipment and provide you with a complete metal fabrication service.
Agricultural equipment made of steel is often heavy, so finding ways to reduce weight is important. Aluminum alloys are a good choice because they are lighter than steel and suitable for dusty environments. Also, since they are more durable than steel, aluminum alloys are ideal for moving parts of agricultural machinery. Aluminum also has high tensile strength, making it ideal for dusty environments.
In addition to being sturdy and durable, the steel structure is low maintenance and ideal for storing agricultural equipment. They can hold multiple pieces of equipment and have an open interior, which means you can easily store other equipment inside. Due to the high technical content of farming, you may need to invest in a flexible steel building. To help you achieve these goals, CZPT offers agricultural buildings that are ideal for storing a variety of items.

Corrosion Resistance

Stainless steel is recommended for use in corrosive environments. Stainless steel is an alloy of iron, chromium, silicon and carbon. It also contains significant amounts of nickel and molybdenum. All stainless steels contain at least 10 percent chromium. This alloy has excellent corrosion resistance and strength. There are certain applications where stainless steel is more suitable than traditional steel:
Agricultural components are often corroded due to their high carbon content. Depending on the metal and the environment, the resulting corrosion products may have different properties. The initial step of etching may result in the formation of ions. This ion then oxidizes further and forms oxides or other mixed valence compounds. The presence of dense oxide layers prevents further corrosion, but these layers are also porous. Therefore, the corrosion process can continue.
When selecting biomedical materials, researchers should test the corrosion resistance of materials. Normally, the pH of fluids in the human body is 7.4. However, during surgery, the pH of fluids in the body may change to a range of 5.5 to 7.8. After a few days, this pH will return to normal. Titanium and 316L stainless steel have better corrosion resistance than cobalt-based alloys.


Steel was first used in farm implements by John Deere, who introduced the steel plow in 1837. Steel makes plows more efficient and faster. Today, steel remains the most durable material used for farm implements, depending on the application. For example, heavy equipment is mainly made of steel. The tractor has a structural steel housing and a strong steel frame for corrosion resistance in agricultural environments. This is an advantage for farmers and agronomists.

Farmers often purchase farm machinery directly, rather than renting or leasing accessories. This gives them ownership of the machine and is often more cost-effective in the long run. Also, buying equipment outright helps them establish equity. Farm machinery is expensive, so farmers are usually more willing to buy them. But leasing or renting parts is also a cost-effective option. Read on to learn more. What are the benefits of renting agricultural parts?
Agricultural equipment is made from many different materials and is often manufactured using an open or closed mold process. The use of thermoset composites is not uncommon, although reinforced thermoplastics are starting to gain traction in specific applications. For example, aerospace-grade prepregs are commonly used for cantilevers on sprayers. Alternatively, steel and aluminum arms are used for agricultural equipment, but require support structures to provide the required stability.

Easy to maintain

Many modern agricultural machines contain computer systems, sensors and other technologies that make them difficult to maintain without the help of experts. While not an impossible task, it does require specific diagnostic software and tools that most manufacturers don’t offer to the public. As a result, many farmers do not have access to the tools and diagnostic software needed to repair equipment and must take it to a licensed dealer for repairs.
Fortunately, there are some solutions to this problem. A recent executive order from President Biden, who oversees the federal government, calls for more competition in the economy. His executive order calls on the FTC to limit unfair trade practices and promote U.S. economic growth. One of the recommendations is that consumers have the right to repair farm equipment. Many agricultural products are affected by the new laws as they become more integrated and less competitive, meaning farmers and ranchers are forced to pay more for their produce.

China Hot selling CZPT Agricultural Bearing UCP305 Pillow Block Bearing     near me supplier China Hot selling CZPT Agricultural Bearing UCP305 Pillow Block Bearing     near me supplier

China supplier Gearboxes, Twisters, Internal Combustion Engines, Electric Motors, Rolling Mills, Agricultural Machinery, Household Appliances, Deep Groove Ball Bearing 6218 near me supplier

Product Description

   Product Name Deep groove ball bearing 6218
    Size     90x160x30mm
    CZPT brand No.     6218
    CZPT NO.     6218
    Material     Chrome steel  
    Cage     Steel cage  
    Weight      2.17kg
    Delivery time     <1000pcs, 5 days  after payment

Deep groove ball bearing is 1 of the most widely used rolling bearings. Its characteristics are small friction resistance, high speed, can be used to bear radial load or radial and axial action of the combined load on the parts, but also can be used to bear axial load on the parts.
The basic type of deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls and a set of cages. There are 2 types of deep groove ball bearing, single row and double row, deep groove ball structure also divided into 2 types of sealed and open structure, open type refers to the bearing without seal structure, sealed deep groove ball is divided into dustproof seal and oil-proof seal. The dustproof seal cover material is steel sheet stamping, which only plays a simple role in preventing dust from entering the bearing raceway. The oil-proof type is contact oil seal, which can effectively prevent the grease from spilling inside the bearing.
When the speed is high and thrust ball bearing is not suitable, it can also be used to bear pure axial load. Compared with other bearings of the same size and size, this kind of bearing has low friction coefficient and high limit speed. However, it is not shock resistant and is not suitable for heavy load.
After the deep groove ball bearing is mounted on the shaft, within the axial clearance range of the bearing, the axial displacement of the shaft or housing can be limited in both directions, so the axial positioning can be made in both directions. In addition, this type of bearing also has a certain ability to adjust the center, when relative to the shell hole inclined 2 ‘~ 10’, still can work normally, but has a certain impact on the bearing life.

          I.D   O.D   W  
Interchangeable of deep groove ball bearing d   D   B  
CoatMaster NSK   SKF   mm inch mm inch mm inch
6200-2RS 6200-DDU 6200-2RSR 6200-2RSH 6200-2Z 10 0.3937 30 1.1811 9 0.3543
6201-2RS 6201-DDU 6201-2RSR 6201-2RSH 6201-2Z 12 0.4724 32 1.2598 10 0.3937
6202-2RS 6202-DDU 6202-2RSR 6202-2RSH 6202-2Z 15 0.5906 35 1.378 11 0.4331
6203-2RS 6203-DDU 6203-2RSR 6203-2RSH 6203-2Z 17 0.6693 40 1.5748 12 0.4724
6204-2RS 6204-DDU 6204-2RSR 6204-2RSH 6204-2Z 20 0.7874 47 1.8504 14 0.5512
6205-2RS 6205-DDU 6205-2RSR 6205-2RSH 6205-2Z 25 0.9843 52 2.571 15 0.5906
6206-2RS 6206-DDU 6206-2RSR 6206-2RS1 6206-2Z 30 1.1811 62 2.4409 16 0.6299
6207-2RS 6207-DDU 6207-2RSR 6207-2RS1 6207-2Z 35 1.378 72 2.8346 17 0.6693
6208-2RS 6208 DDU 6208-2RSR 6208-2RS1 6208-2Z 40 1.5748 80 3.1496 18 0.7087
6209-2RS 6209 DDU 6209-2RSR 6209-2RS1 6209-2Z 45 1.7717 85 3.3465 19 0.748
6210-2RS 6210 DDU 6210-2RSR 6210-2RS1 6210-2Z 50 1.9685 90 3.5433 20 0.7874
6211-2RS 6211 DDU 6211-2RSR 6211-2RS1 6211-2Z 55 2.1654 100 3.937 21 0.8268
6212-2RS 6212 DDU 6212-2RSR 6212-2RS1 6212-2Z 60 2.3622 110 4.3307 22 0.8661
6213-2RS 6213 DDU 6213-2RSR 6213-2RS1 6213-2Z 65 2.5591 120 4.7244 23 0.9055
6214-2RS 6214 DDU 6214-2RSR 6214-2RS1 6214-2Z 70 2.7559 125 4.9213 24 0.9449
6215-2RS 6215 DDU 6215-2RSR 6215-2RS1 6215-2Z 75 2.9528 130 5.1181 25 0.9843
6216-2RS 6216 DDU 6216-2RSR 6216-2RS1 6216-2Z 80 3.1496 140 5.5118 26 1.5716
6217-2RS 6217 DDU 6217-2RSR 6217-2RS1 6217-2Z 85 3.3465 150 5.9055 28 1.1571
6218-2RS 6218 DDU 6218-2RSR 6218-2RS1 6218-2Z 90 3.5433 160 6.2992 30 1.1811

ZheJiang CZPT Bearing Co.,ltd
ZheJiang CZPT Bearing Co.,ltd is a professional manufacturer and supplier for bearings for more than 15 years. Our factory is located in ZheJiang  province and covering an area of 20,000 square meters, it boasts of 120 staff, among which 6 are senior engineers and technicians, with a registered capital of 20,000,000 and an annual production capacity of 30,000,000 units of bearings.
our export department office is located in ZheJiang  city which is a port city ,for convenience inspection before shipment .
Our main products include ball bearings,roller bearings, wheel hub bearings etc. ,but also we accept customized products design and OEM Service based on the detailed drawings from our clients .
SKF, NSK, NT, KOYO, NACHI, IKO, NMB , these famous brands all have deep connection and strong cooperation relationship with us . We can also export the above products in appropriate way according to clients’ market .  
After several years’ development, our company has formed a professional management system and our corporate value is “Considering more for customer’s consideration”, which is also our business principle.
Our products are comprehensive used in different fields such as , mining, petroleum, machinery, electric power, furniture etc. We sincerely wish to build reliable relationship with every of our customers from worldwide.
“Good quality with sincere service”  is our slogan to our clients .

A. Plastic paper + kraft paper + outer carton + Nylon bag
B. Tube package + outer carton + Nylon bag
C. Single box + outer carton + pallets
D. According to your requirement

Q:Could you accept OEM and customize?                                                           
A:YES,we can customize for you according to sample or drawing.                     

Q:Could you supply sample for free?                                                                     
A:Yes,we can supply sample for free,you only need to pay for the shipping cost?

Q:Could you offer door to door service?                                                                 
A:Yes,by express(DHL,FEDEX,TNT,EMS,4-10 days to your city.)                         

Q:Could you tell me the payment of your company can accept?                           
A:T/T. Western Union, PayPal.                                                                               

Q:Could you tell me the delivery time of your goods?                                            
A:If in stock, 7days or base on your order quantity.                                               


We are the factory that is willing to accompany with you to grow and develop together, we hope to establish a long-term cooperative relationship with you. And you are very welcome to contact me and visit our factory.



Why Checking the Drive Shaft is Important

If you hear clicking noises while driving, your driveshaft may need repair. An experienced mechanic can tell if the noise is coming from 1 side or both sides. This problem is usually related to the torque converter. Read on to learn why it’s so important to have your driveshaft inspected by an auto mechanic. Here are some symptoms to look for. Clicking noises can be caused by many different things. You should first check if the noise is coming from the front or the rear of the vehicle.

hollow drive shaft

Hollow driveshafts have many benefits. They are light and reduce the overall weight of the vehicle. The largest manufacturer of these components in the world is CZPT. They also offer lightweight solutions for various applications, such as high-performance axles. CZPT driveshafts are manufactured using state-of-the-art technology. They offer excellent quality at competitive prices.
The inner diameter of the hollow shaft reduces the magnitude of the internal forces, thereby reducing the amount of torque transmitted. Unlike solid shafts, hollow shafts are getting stronger. The material inside the hollow shaft is slightly lighter, which further reduces its weight and overall torque. However, this also increases its drag at high speeds. This means that in many applications hollow driveshafts are not as efficient as solid driveshafts.
A conventional hollow drive shaft consists of a first rod 14 and a second rod 14 on both sides. The first rod is connected with the second rod, and the second rod extends in the rotation direction. The 2 rods are then friction welded to the central area of ​​the hollow shaft. The frictional heat generated during the relative rotation helps to connect the 2 parts. Hollow drive shafts can be used in internal combustion engines and environmentally-friendly vehicles.
The main advantage of a hollow driveshaft is weight reduction. The splines of the hollow drive shaft can be designed to be smaller than the outside diameter of the hollow shaft, which can significantly reduce weight. Hollow shafts are also less likely to jam compared to solid shafts. Hollow driveshafts are expected to eventually occupy the world market for automotive driveshafts. Its advantages include fuel efficiency and greater flexibility compared to solid prop shafts.

Cardan shaft

Cardan shafts are a popular choice in industrial machinery. They are used to transmit power from 1 machine to another and are available in a variety of sizes and shapes. They are available in a variety of materials, including steel, copper, and aluminum. If you plan to install 1 of these shafts, it is important to know the different types of Cardan shafts available. To find the best option, browse the catalog.
Telescopic or “Cardan” prop shafts, also known as U-joints, are ideal for efficient torque transfer between the drive and output system. They are efficient, lightweight, and energy-efficient. They employ advanced methods, including finite element modeling (FEM), to ensure maximum performance, weight, and efficiency. Additionally, the Cardan shaft has an adjustable length for easy repositioning.
Another popular choice for driveshafts is the Cardan shaft, also known as a driveshaft. The purpose of the driveshaft is to transfer torque from the engine to the wheels. They are typically used in high-performance car engines. Some types are made of brass, iron, or steel and have unique surface designs. Cardan shafts are available in inclined and parallel configurations.
Single Cardan shafts are a common replacement for standard Cardan shafts, but if you are looking for dual Cardan shafts for your vehicle, you will want to choose the 1310 series. This type is great for lifted jeeps and requires a CV-compatible transfer case. Some even require axle spacers. The dual Cardan shafts are also designed for lifts, which means it’s a good choice for raising and lowering jeeps.

universal joint

Cardan joints are a good choice for drive shafts when operating at a constant speed. Their design allows a constant angular velocity ratio between the input and output shafts. Depending on the application, the recommended speed limit may vary depending on the operating angle, transmission power, and application. These recommendations must be based on pressure. The maximum permissible speed of the drive shaft is determined by determining the angular acceleration.
Because gimbal joints don’t require grease, they can last a long time but eventually fail. If they are poorly lubricated or dry, they can cause metal-to-metal contact. The same is true for U-joints that do not have oil filling capability. While they have a long lifespan, it can be difficult to spot warning signs that could indicate impending joint failure. To avoid this, check the drive shaft regularly.
U-joints should not exceed 70 percent of their lateral critical velocity. However, if this speed is exceeded, the part will experience unacceptable vibration, reducing its useful life. To determine the best U-joint for your application, please contact your universal joint supplier. Typically, lower speeds do not require balancing. In these cases, you should consider using a larger pitch diameter to reduce axial force.
To minimize the angular velocity and torque of the output shaft, the 2 joints must be in phase. Therefore, the output shaft angular displacement does not completely follow the input shaft. Instead, it will lead or lag. Figure 3 illustrates the angular velocity variation and peak displacement lead of the gimbal. The ratios are shown below. The correct torque for this application is 1360 in-Ibs.

Refurbished drive shaft

Refurbished driveshafts are a good choice for a number of reasons. They are cheaper than brand new alternatives and generally just as reliable. Driveshafts are essential to the function of any car, truck, or bus. These parts are made of hollow metal tubes. While this helps reduce weight and expense, it is vulnerable to external influences. If this happens, it may crack or bend. If the shaft suffers this type of damage, it can cause serious damage to the transmission.
A car’s driveshaft is a critical component that transmits torque from the engine to the wheels. A1 Drive Shaft is a global supplier of automotive driveshafts and related components. Their factory has the capability to refurbish and repair almost any make or model of driveshafts. Refurbished driveshafts are available for every make and model of vehicle. They can be found on the market for a variety of vehicles, including passenger cars, trucks, vans, and SUVs.
Unusual noises indicate that your driveshaft needs to be replaced. Worn U-joints and bushings can cause excessive vibration. These components cause wear on other parts of the drivetrain. If you notice any of these symptoms, please take your vehicle to the AAMCO Bay Area Center for a thorough inspection. If you suspect damage to the driveshaft, don’t wait another minute – it can be very dangerous.

The cost of replacing the drive shaft

The cost of replacing a driveshaft varies, but on average, this repair costs between $200 and $1,500. While this price may vary by vehicle, the cost of parts and labor is generally equal. If you do the repair yourself, you should know how much the parts and labor will cost before you start work. Some parts can be more expensive than others, so it’s a good idea to compare the cost of several locations before deciding where to go.
If you notice any of these symptoms, you should seek a repair shop immediately. If you are still not sure if the driveshaft is damaged, do not drive the car any distance until it is repaired. Symptoms to look for include lack of power, difficulty moving the car, squeaking, clanking, or vibrating when the vehicle is moving.
Parts used in drive shafts include center support bearings, slip joints, and U-joints. The price of the driveshaft varies by vehicle and may vary by model of the same year. Also, different types of driveshafts require different repair methods and are much more expensive. Overall, though, a driveshaft replacement costs between $300 and $1,300. The process may take about an hour, depending on the vehicle model.
Several factors can lead to the need to replace the drive shaft, including bearing corrosion, damaged seals, or other components. In some cases, the U-joint indicates that the drive shaft needs to be replaced. Even if the bearings and u-joints are in good condition, they will eventually break and require the replacement of the drive shaft. However, these parts are not cheap, and if a damaged driveshaft is a symptom of a bigger problem, you should take the time to replace the shaft.

China supplier Gearboxes, Twisters, Internal Combustion Engines, Electric Motors, Rolling Mills, Agricultural Machinery, Household Appliances, Deep Groove Ball Bearing 6218     near me supplier China supplier Gearboxes, Twisters, Internal Combustion Engines, Electric Motors, Rolling Mills, Agricultural Machinery, Household Appliances, Deep Groove Ball Bearing 6218     near me supplier

China Hot selling Timken, Skfbearing, NSK, NTN, CZPT Bearing, Kbc CZPT Bearing, Auto/ Agricultural Machinery Ball Bearing 6001 6002 6003 6004 6201 6202 6203 6204zz 2RS C3 near me manufacturer

Product Description

Timken, SKFBearing, NSK, NTN, CZPT Bearing, Kbc CZPT Bearing, Auto/ Agricultural Machinery Ball Bearing Zz 2RS C3

1. Low density. As the rolling body density decreases, high-speed operation of its centrifugal load is also reduced, which can work at higher speed.                                        
2. Moderate elastic modulus. Elastic modulus is too large due to stress concentration and reduce the bearing capacity of the bushing.                                        
3. Thermal expansion coefficient is small. Reduce the sensitivity to temperature changes, so that the bearing operating temperature range is wider.                                        
4. High compressive strength. High compressive strength is the need for high stress for rolling bearings.                                        
5. High hardness and high toughness. These 2 properties combine to achieve better surface roughness; and can prevent external particles and shock damage.                                        
6. Good anti-rolling contact fatigue and has a peel failure mode.                                        
7. Special occasions should have high temperature, corrosion resistance and stability.                                        
The ceramic material has low density, medium elastic modulus, thermal expansion coefficient is small, high hardness, high temperature, corrosion resistance, non-magnetic, etc., to silicon nitride ceramic ball for the rolling body of ceramic ball bearings can significantly improve the bearing contact fatigue life, Has greatly expanded the application of rolling bearings, has been widely used in a variety of high-precision, high-speed machine tools, automobiles, racing, subway, motor, aero engine, petrochemical machinery, metallurgical machinery and other fields  

Bearing No. Boundary Dimensions(mm) Basic Load Rating (KN) Weight
Open Shields Seals d D B Cr. Cor. (Kg)
6000 6000-Z 6000-2Z 6000-RS 6000-2RS 10 26 8 4.58 1.98 0.02
6001 6001-Z 6001-2Z 6001-RS 6001-2RS 12 28 8 5.1 2.36 0.02
6002 6002-Z 6002-2Z 6002-RS 6002-2RS 15 32 9 5.6 2.85 0.033
6003 6003-Z 6003-2Z 6003-RS 6003-2RS 17 35 10 6 3.25 0.04
6004 6004-Z 6004-2Z 6004-RS 6004-2RS 20 42 12 9.4 5 0.07
6005 6005-Z 6005-2Z 6005-RS 6005-2RS 25 47 12 10 5.85 0.083
6006 6006-Z 6006-2Z 6006-RS 6006-2RS 30 55 13 12.7 8 0.126
6007 6007-Z 6007-2Z 6007-RS 6007-2RS 35 62 14 16 10.2 0.163
6008 6008-Z 6008-2Z 6008-RS 6008-2RS 40 68 15 16.6 11.6 0.2
6009 6009-Z 6009-2Z 6009-RS 6009-2RS 45 75 16 20 14.3 0.253
6571 6571-Z 6571-2Z 6571-RS 6571-2RS 50 80 16 20.8 15.6 0.282
6011 6011-Z 6011-2Z 6011-RS 6011-2RS 55 90 18 28.5 21.2 0.409
6012 6012-Z 6012-2Z 6012-RS 6012-2RS 60 95 18 29 23.2 0.413
6013 6013-Z 6013-2Z 6013-RS 6013-2RS 65 100 18 30.5 25 0.464
6014 6014-Z 6014-2Z 6014-RS 6014-2RS 70 110 20 38 31 0.642
6015 6015-Z 6015-2Z 6015-RS 6015-2RS 75 115 20 39 33.5 0.676
6016 6016-Z 6016-2Z 6016-RS 6016-2RS 80 125 22 47.5 40 0.893
6201 6201-Z 6201-2Z 6201-RS 6201-2RS 12 32 10 6.8 3.05 0.039
6202 6202-Z 6202-2Z 6202-RS 6202-2RS 15 35 11 7.8 3.75 0.045
6203 6203-Z 6203-2Z 6203-RS 6203-2RS 17 40 12 9.58 4.78 0.064
6204 6204-Z 6204-2Z 6204-RS 6204-2RS 20 47 14 12.7 6.55 0.11
6205 6205-Z 6205-2Z 6205-RS 6205-2RS 25 52 15 14 7.8 0.133
6206 6206-Z 6206-2Z 6206-RS 6206-2RS 30 62 16 19.3 11.2 0.201
6207 6207-Z 6207-2Z 6207-RS 6207-2RS 35 72 17 25.5 15.3 0.299
6208 6208-Z 6208-2Z 6208-RS 6208-2RS 40 80 18 29 18 0.382
6209 6209-Z 6209-2Z 6209-RS 6209-2RS 45 85 19 31 20.4 0.407
6210 6210-Z 6210-2Z 6210-RS 6210-2RS 50 90 20 36.5 24 0.478
6211 6211-Z 6211-2Z 6211-RS 6211-2RS 55 100 21 43 29 0.632
6212 6212-Z 6212-2Z 6212-RS 6212-2RS 60 110 22 52 36 0.807
6213 6213-Z 6213-2Z 6213-RS 6213-2RS 65 120 23 60 41.5 1.03
6214 6214-Z 6214-2Z 6214-RS 6214-2RS 70 125 24 62 44 1.11
6215 6215-Z 6215-2Z 6215-RS 6215-2RS 75 130 25 66 49.5 1.7
6216 6216-Z 6216-2Z 6216-RS 6216-2RS 80 140 28 72.5 53 2.1
6217 6217-Z 6217-2Z 6217-RS 6217-2RS 85 150 28 84 62 2.1
6218   6218-2Z   6218-2RS 90 160 30 96.5 72 2.26
6219   6219-2Z   6219-2RS 95 170 32 108 81.5 2.79
6220   6220-2Z   6220-2RS 100 180 34 122 93 3.36
6221   6221-2Z   6221-2RS 105 190 36 133 105 3.99
6300 6300-Z 6300-2Z 6300-RS 6300-2RS 10 35 11 8.15 3.45 0.057
6301 6301-Z 6301-2Z 6301-RS 6301-2RS 12 37 12 9.65 4.15 0.064
6302 6302-Z 6302-2Z 6302-RS 6302-2RS 15 42 13 11.4 5.4 0.09
6303 6303-Z 6303-2Z 6303-RS 6303-2RS 17 47 14 13.4 6.55 0.117
6304 6304-Z 6304-2Z 6304-RS 6304-2RS 20 52 15 15.8 7.8 0.155
6305 6305-Z 6305-2Z 6305-RS 6305-2RS 25 62 17 22.4 11.4 0.24
6306 6306-Z 6306-2Z 6306-RS 6306-2RS 30 72 19 26.5 16.3 0.363
6307 6307-Z 6307-2Z 6307-RS 6307-2RS 35 80 21 33.5 19 0.481
6308 6308-Z 6308-2Z 6308-RS 6308-2RS 40 90 23 42.5 25 0.654
6309 6309-Z 6309-2Z 6309-RS 6309-2RS 45 100 25 53 31.5 0.869
6310 6310-Z 6310-2Z 6310-RS 6310-2RS 50 110 27 61.8 38 1.12
6311 6311-Z 6311-2Z 6311-RS 6311-2RS 55 120 29 71.5 47.5 1.43
6312 6312-Z 6312-2Z 6312-RS 6312-2RS 60 130 31 82 52 1.79
6313 6313-Z 6313-2Z 6313-RS 6313-2RS 65 140 33 92.5 59.5 2.08
6314 6314-Z 6314-2Z 6314-RS 6314-2RS 70 150 35 104 68 2.52
6315 6315-Z 6315-2Z 6315-RS 6315-2RS 75 160 37 113 77 3.02
6316 6316-Z 6316-2Z 6316-RS 6316-2RS 80 170 39 123 86.5 3.59


Three basic types of pulleys, their applications and ideal mechanical advantages

There are 3 basic types of pulleys: movable, fixed and compound. Each has its advantages and disadvantages, and you should be able to judge which type is best for your needs by looking at the table below. Once you have mastered the different types of pulleys, you can choose the right pulley for your next project. Now that you have mastered the 3 basic types, it is time to understand their applications and ideal mechanical advantages.


The stress characteristics of a pulley depend on its size and construction. These stresses are derived by comparing the stress characteristics of different pulley designs. Stress criteria include static and fatigue strength analyses and specify maximum stress ranges. Stresses are calculated in a 3D stress field, including radial, tangential and axial stresses. The stress characteristics of pulleys are critical to the design and manufacture of industrial machines.
The principal stresses on the pulley shell are distributed in the tangential and hoop directions, close to the centerline of the pulley. If the pulley has a wide face, the axial stress occurring near the shell/disk junction can be large. The stress distribution was determined using British Standard BS5400 Part 10: Stresses at the shell and end disc connections for infinite fatigue life.
Another type of composite is a pulley with a belt section. Such structures are well known in the art. The corresponding help chapters for these elements contain detailed descriptions of the internal structure of these components. Chamfers between pulleys can also be defined using multiple tapers, with a smaller taper extending from midpoint 44 to large diameter 42. Additionally, the pulley can have multiple taper angles, and as the pulley moves away, the taper angle is from the center.


A pulley system uses a rope to move the object and 1 side of the rope to lift the load. The load is attached to 1 end of the pulley, while the other end can move freely in space. The force applied to the free end of the rope pulls the load up or down. Because of this, the mechanical advantage of the movable pulley is 2 to one. The greater the force applied to the free end of the rope, the greater the amount of movement achieved.
There are 3 common types of pulleys. The cast-iron variety has a rim at the front and a hub at the back. The arms of the pulley can be straight or curved. When the arms contract and yield instead of breaking, they are in tension. The top of the pulley centers the belt in motion and is available in widths ranging from 9mm to 300mm.
The rope, hub and axle are mounted on the pulley. They are common and versatile mechanical devices that make it easier to move or lift objects. Some pulleys change the direction of the force. Others change the magnitude. All types of pulleys can be used for a variety of different applications. Here are some examples. If you’re not sure which type to choose, you can find more resources online.


The applications for pulleys are almost limitless. This simple machine turns complex tasks into simple ones. They consist of a rope or chain wrapped around a wheel or axle. Using ropes, 1 can lift heavy objects without the enormous physical exertion of traditional lifting equipment. Some pulleys are equipped with rollers, which greatly magnifies the lifting force.
When used properly, the pulley system can change the direction of the applied force. It provides a mechanical advantage and allows the operator to remain separate from heavy objects. They are also inexpensive, easy to assemble, and require little lubrication after installation. Also, once installed, the pulley system requires little maintenance. They can even be used effortlessly. Despite having many moving parts, pulley systems do not require lubrication, making them a cost-effective alternative to mechanical lifts.
Pulleys are used in many applications including adjustable clotheslines in different machines, kitchen drawers and motor pulleys. Commercial users of pulley systems include cranes. These machines use a pulley system to lift and place heavy objects. They are also used by high-rise building washing companies. They can easily move a building without compromising its structural integrity. As a result, many industries rely on technology to make elevators easier.

Ideal mechanical advantage

The ideal mechanical advantage of a pulley system is the result of rope tension. The load is pulled to the center of the pulley, but the force is evenly distributed over the cable. Two pulleys will provide the mechanical advantage of 2 pulleys. The total energy used will remain the same. If multiple pulleys are used, friction between pulleys and pulleys reduces the return of energy.
Lever-based machines are simple devices that can work. These include levers, wheels and axles, screws, wedges and ramps. Their ability to work depends on their efficiency and mechanical superiority. The ideal mechanical advantage assumes perfect efficiency, while the actual mechanical advantage takes friction into account. The distance traveled by the load and the force applied are also factors in determining the ideal mechanical advantage of the pulley.
A simple pulley system has an MA of two. The weight attached to 1 end of the rope is called FA. Force FE and load FL are connected to the other end of the rope. The distance that the lifter pulls the rope must be twice or half the force required to lift the weight. The same goes for side-by-side pulley systems.

Materials used in manufacturing

While aluminum and plastic are the most common materials for making pulleys, there are other materials to choose from for your timing pulleys. Despite their different physical properties, they all offer similar benefits. Aluminum is dense and corrosion-resistant, and plastic is lightweight and durable. Stainless steel is resistant to stains and rust, but is expensive to maintain. For this reason, aluminum is a popular choice for heavy duty pulleys.
Metal can also be used to make pulleys. Aluminum pulleys are lightweight and strong, while other materials are not as durable. CZPT produces aluminium pulleys, but can also produce other materials or special finishes. The list below is just representative of some common materials and finishes. Many different materials are used, so you should discuss the best options for your application with your engineer.
Metals such as steel and aluminum are commonly used to make pulleys. These materials are relatively light and have a low coefficient of friction. Steel pulleys are also more durable than aluminum pulleys. For heavier applications, steel and aluminum are preferred, but consider weight limitations when selecting materials. For example, metal pulleys can be used in electric motors to transmit belt motion.


Replacing a tensioner in a car’s engine can cost anywhere from $90 to $300, depending on the make and model of the car. Cost can also be affected by the complexity of the pulley system and how many pulleys are required. Replacement costs may also increase depending on the severity of the damage. The cost of replacing pulleys also varies from car to car, as different manufacturers use different engines and drivetrains.
Induction motors have been an industrial workhorse for 130 years, but their cost is growing. As energy costs rise and the cost of ownership increases, these motors will only get more expensive. New technologies are now available to increase efficiency, reduce costs and improve safety standards.
The average job cost to replace an idler varies from $125 to $321, including labor. Parts and labor to replace a car pulley can range from $30 to $178. Labor and parts can cost an additional $10 to $40, depending on the make and model of the car. But the labor is worth the money because these pulleys are a critical part of a car’s engine.

China Hot selling Timken, Skfbearing, NSK, NTN, CZPT Bearing, Kbc CZPT Bearing, Auto/ Agricultural Machinery Ball Bearing 6001 6002 6003 6004 6201 6202 6203 6204zz 2RS C3     near me manufacturer China Hot selling Timken, Skfbearing, NSK, NTN, CZPT Bearing, Kbc CZPT Bearing, Auto/ Agricultural Machinery Ball Bearing 6001 6002 6003 6004 6201 6202 6203 6204zz 2RS C3     near me manufacturer