Product Description

Product Description

We provide all sizes of tapered roller bearing. And they are produced by professional bearing steel to extend serice life. 
They are with the following advantages.
1.low friction coefficient, low noise, low vibration
2.high rotational speeds
3.accommodate radial and axial loads
3.easy to install
4.low maintenance frequency


Tapered roller bearing is mainly used to bear radial load,but it can also accommodate combined load. The outer ring is separated and easy to assemble. The axial load carrying capacity of the bearing is largely determined by the contact angle.The larger the angle is the higher axial load carrying capacity. 

They are widely used by the field of Aerospace, Agriculture, Automotive, Construction, Electric Motor, Food and Beverage,Heavy Duty Truck, Infrastructure, Machine Tool, Metal Manufacturing,
Mining and Aggregate, Paper and Forestry, Rail and Transit, Wind Energy.


Tapered Roller Bearing
30000 Series Tapered Roller Bearing
Bearing No. Dimensions(mm) Weight(kg)
  d D T  
35712 15 35 11 0.053
35713 17 40 13.25 0.079
35714 20 47 15.25 0.126
35715 25 52 16.25 0.154
35716 30 62 17.25 0.231
35717 35 72 18.25 0.331
35718 40 80 19.75 0.422
35719 45 85 20.75 0.474
35710 50 90 21.75 0.529
35711 55 100 22.75 0.713
35712 60 110 23.75 0.904
35713 65 120 24.75 1.13
35714 70 125 26.25 1.26
35715 75 130 27.25 1.36
35716 80 140 28.5 1.65
35717 85 150 31 2.1
35718 90 160 33 2.52
35719 95 170 35 3.17
35710 100 180 37.5 3.8
35711 105 190 39.5 4.5
35712 110 200 41.5 5.16
35714 120 215 44 6.27
30302 15 42 13 0.098
30303 17 47 15.25 0.129
30304 20 52 16.25 0.165
30305 25 62 18.25 0.263
30306 30 72 20.75 0.387
30307 35 80 22.75 0.515
30308 40 90 25.25 0.747
30309 45 100 27.25 0.984
3571 50 110 29.25 1.28
3571 55 120 31.5 1.63
3571 60 130 33.5 1.99
3571 65 140 36 2.44
3571 70 150 38 2.98

31000 Series Tapered Roller Bearing
Bearing No. Dimensions(mm) Weight
  d D B  
31303 17 47 15 0.13
31304 20 52 16.5 0.17
31305 25 62 18.5 0.26
31306 30 72 21 0.38
31307 35 80 23 0.517
31308 40 90 25.5 0.66
31309 45 100 27.5 0.974
31310 50 110 29.5 1.23
31311 55 120 32 1.5
31312 60 130 34 1.92
31313 65 140 36.5 2.29
31314 70 150 38.5 2.87
31315 75 160 40 3.43
31316 80 170 42.5 4.09
31317 85 180 45 4.91


32000 Series Tapered Roller Bearing
Bearing No. Dimensions(mm) Weight
  d D B  
32203 17 40 17.25 0.102
32204 20 47 19.25 0.16
32205 25 52 19.25 0.187
32206 30 62 21.25 0.287
32207 35 72 24.25 0.445
32208 40 80 24.75 0.532
32209 45 85 24.75 0.573
32210 50 90 24.75 0.626
32211 55 100 26.75 0.853



33000 Series Tapered Roller Bearing
Bearing No. Dimensions(mm) Weight
  d D B  
33005 25 47 17 0.129
33006 30 55 20 0.201
33007 35 62 21 0.25
33008 40 68 22 0.306
33009 45 75 24 0.398
33571 50 80 24 0.433
33011 55 90 27 0.651
33012 60 95 27 0.691
33013 65 100 27 0.732
33014 70 110 31 1.07
33015 75 115 31 1.12
33016 80 125 36 1.63
33017 85 130 36 1.75
33018 90 140 39 2.157
33019 95 145 39 2.3
33571 100 150 39 2.4
33206 30 62 25 0.355
33207 35 72 28 0.524
33208 40 80 32 0.715
33209 45 85 32 0.77
33210 50 90 32 0.867
33211 55 100 35 1.18
33212 60 110 38 1.56
33213 65 120 41 2.04
33214 70 125 41 2.15
33215 75 130 41 2.25
33216 80 140 46 2.94
33217 85 150 49 3.56
33218 90 160 55 4.69
33219 95 170 58 5.54
33220 100 180 63 6.4

Our Advantages


1.Professional supplier: we are the biggest bearing supplier in China. Besides of our own factory, we also have a stable supply chain to provide all types of bearing.

2.Quality: we can supply bearing with world-class quality.

3.OEM or Non-Standard Bearing: OEM & Non-Standard bearing are available.

4.Professional teams:we have professional teams with technology, research and production.

5. Quick delivery: we can provide the shortest delivery time.

Packaging & Shipping

Packaging: 1. Inner plastic bags+ Cartons+Pallets
                   2.Tube packed
                   3. Customized designs
                   4.Industrial packing


Company Profile


ZheJiang Dente International Trade Co.,Ltd is a comprehensive enterprise with factory and trading company. It was founded in HangZhou City, ZheJiang province, China. HangZhou city is also well known as Kite Capital of the World. Since the establishment, we are focusing on import and export business based on our own bearing factory which is located in HangZhou City where is the largest bearing wholesale base in China.

Our company is specialized in developing various bearings which include deep groove ball bearings, tapered roller bearings, outer spherical bearings, self-aligning ball bearings, spherical roller bearings, cylindrical roller bearings, thrust ball bearings, non-standard bearings of automobiles. Simultaneously we also supply needle roller bearings, stainless steel bearings ,inch series bearings, non-standard bearings, the series of special bearings, imported bearings of global famous brand.

Besides of our own factory and professional exporting experiences, we also cooperate with more than 500 bearing factories to meet customers’ various requirements. Therefore, our company is with the advantage of providing bearings with high quality, short delivery period, but competitive price. Our products have been selling well in more than 50 countries in the world, which include Europe, North America, South America, Australia, Africa, etc.

Our company mission is to supply high-quality bearings with competitive price for customers. And our company philosophy is based on excellent service, quick feedback, working sincerely, and team work. We hope to create a beautiful future together with customers.

Your satisfaction is our goal, expecting your inquiries.







1.who are you?

We are a professional supplier of bearing in China. ZheJiang Dente International Trade Co.,Ltd

2.Are you a Manufacturer or trading company?

We are a comprehensive enterprise with factory and trading company.

3.Can I get a sample to check out the quality?
Sure, free samples are available for stock products if you pay for the shipping cost.

4.What is your delivery time?
Most orders will be shipped within 7-15 days of payment being received.

Any problems, pls feel free to contact us.

Shipping Cost:

Estimated freight per unit.

To be negotiated
Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
US$ 1/Set
1 Set(Min.Order)


Order Sample

Various types are available


Customized Request


Understanding the Different Types of Bearings

When you are looking for a bearing, you have many options to choose from. This article will explain the various types, functions, and working principles of different types of bearings. Once you understand the basic components, you can make an informed decision about which one to buy. Here’s an overview of some of the most common types. Learn more about each type below! Read on to learn about the differences between these different types of bearings! Posted in Articles


Bearings serve as an integral part of a mechanical device. These devices help transfer torque from one part of a structure to another. These mechanisms increase the efficiency of a shaft by increasing its life. However, the functions of bearings depend on the application of the structure. Among other functions, bearings provide support to shafts. Anti-friction bearings come in two types: ball and roller bearings. These components have line and point contact, which is the most common type. Archimedes’s principle states that the force is equal to the weight of the fluid that is being displaced. Bearings can transfer lateral loads to a substructure.
A bearing has two primary functions. The first is to prevent direct metal-to-metal contact. A bearing prevents friction, heat generation, and wear and tear of components. A bearing also reduces energy consumption. Its other purpose is to guide and support a rotating body. In addition to these functions, bearings can also reduce wear and tear on a machine. As a result, they are among the most widely used machines in the world.
Seals are a major component of a bearing. They prevent foreign materials from entering and lubricating the moving parts. The design of seal lips determines their effectiveness. Fuel economy regulations and CO2 emissions regulations are pushing the demand for low-friction bearings. However, high-performance seals do not always provide high-performance. As a result, current estimations of the friction in bearings depend on trial and error methods.
Another important function of bearings is that they transfer the load of a rotating component to its housing. This load can be axial or radial. Bearings also limit movement to predefined directions. Some types of rolling element bearings have balls or cylinders inside. These bearings are less frictional than sliding ones, thus they allow parts to move freely during rotation. These parts can then be used for various applications. So, bearings are an integral part of machines.


The most common type of bearing is a plain bearing. It uses surfaces in rubbing contact to transmit movement from one part to another. These bearings may be discrete or may consist of a hole in a metal sleeve or a planar surface bearing another part. Some plain bearings are flanged, while others are made of a sleeve with a flange at one end. These bearings often give acceptable accuracy and life, but they are expensive and cannot be used in large scale applications.
Radial bearings are used when there is a need for high-speed or corrosive parts. This type of bearing also serves as a support in an intermediate situation. Its two components are called the base and the cover. The base and cover are connected and are arranged parallel to the main axis. This type of bearing is used in steady-state and axial motion applications. The radial bearings are also used when the shafts are long.
Angular contact bearings are another type of bearing. These are easy to install and require minimal maintenance. Their races are displaced along the axis. They are also better at handling axial loads and transferring them to the housing. These types of bearings are commonly used in pumps, automobiles, and high-speed applications. If you are looking for an affordable, reliable bearing, look no further than the angular contact bearing.
Another type of bearing is a self-lubricating bushing. These are lightweight and wear-resistant. Unlike the other types of bearing, they do not require any lubrication or maintenance. In fact, some are completely maintenance-free. But if you’re worried about maintenance, this type of bearing may be a good choice. There are many benefits of using self-lubricating bushings. It is also a good option for applications where your machine is exposed to extreme temperatures.

Working principle

A bearing has two primary functions: support and load transfer. In engineering applications, the bearing tends to push the load in the direction of the shaft. A radial load pushes the bearing downward and a thrust load pushes it sideways. Both types of load transfer are important in a variety of applications. The working principle of each type is described below. Listed below are the main uses for each type of bearing.
A plain bearing uses a PTFE liner on the interface of two moving parts. The PTFE liner acts as a lubricant and may be filtered to alter its friction. The journal bearing uses the motion of the journal to force fluid into the gap between two moving parts. This results in a small amount of play in the bearing. This play is acceptable for most applications. A ball bearing may have a maximum play of 2 mm for a ten-millimeter shaft.
The primary function of a bearing is to assist in rotation and to reduce mechanical friction between the two objects. A bearing may be installed as a separate device or as an integral part of a machine. For more complex applications, bearings are very precise components requiring the highest standards of technology. For this reason, it is important to understand the working principle of bearings. The next time you need to lift or slide a heavy object, consider a bearing.
Ball bearings are a common type of ball bearing and can be found in industrial machinery and automobiles. Their unique structure helps them support less weight. This is because they are comprised of two rings – an inner race and an outer race. The balls themselves have a small area of contact and transfer axial loads in one direction. A cage surrounds the balls and prevents them from colliding. This makes ball bearings a popular choice for many applications.

Sealing system

A bearing’s seals are vital for the operation of rolling and rotating components. These systems enable rotation and linear movement while limiting friction and dispersing stress. Without the proper seals, these components could face catastrophic failure. In addition to protecting the bearing from external forces, seals help retain lubricant inside the system and prevent harmful particles from entering the gap. A seal’s lubrication helps prevent the onset of mechanical damage and prolongs the life of the bearing.
A bearing seal is made up of two parts: the inner sealing element and the outer sealing element. A passageway runs through the bearing assembly to the outer seal element. A hydraulic press or pneumatic jack is recommended for installing the seal. These tools are effective in reducing deformation and improving seal installation quality. When fitting the seal, ensure that the tool does not hit the seal directly. A proper adopter will distribute the load uniformly across the seal.
The seal’s efficiency depends on its gap. A four-inch shaft seal can flow 0.5 standard cubic feet per minute. A seal’s efficiency is highly dependent on the gap size. The gap size is a cube of the flow through the system. A smaller gap size allows high flow and pressure but less leakage. If both surfaces of the seal have similar pressures and flow rates, the seal is efficient. However, a small gap reduces the pressures and reduces wear.
Mechanical seals have numerous advantages, including their ability to protect against contaminants and splashing liquids. Labyrinth seals are the first line of defense against leaks. They operate without friction. Their high level of sealing efficiency helps ensure that the bearing remains operational for long. This type of seal is made from metal plates and is designed for a wide temperature range and misalignment. Its advantages include being easy to install and offering 100% sealing efficiency.


Bearing maintenance is critical to ensuring that your bearings keep operating at their peak performance. Proper maintenance will improve bearing life, reduce downtime and increase productivity while reducing costs. Here is an 8-point checklist to optimize your bearings and make them last longer. To optimize their performance, you should follow these steps regularly. In case a bearing does not last long, you should replace it as soon as possible. Listed below are some tips to ensure proper maintenance.
The first step is to determine how often your bearings require lubrication. Some manufacturers recommend that you lubricate them weekly, but this can do more harm than good. Instead, use ultrasound to measure the level of friction and trend its levels. This way, you will know exactly when to grease your bearings. It’s also important to check how often they should be inspected and calibrated. A professional can provide guidance on proper maintenance.
Next, inspect your bearings for cracks and scratches. You should never install a bearing that has been dropped or scratched. Even a small crack will affect the performance of the bearing and could lead to its premature failure. A proper alignment is essential for the bearing to function properly. Make sure you have the correct tools to perform this task. These tools can help you reduce manual work and promote safe bearing maintenance. You should also ensure that the shaft and housing are clean and undamaged.
Proper maintenance can prolong bearing service life. Proper lubrication, mounting, inspection, basic condition monitoring, and dismounting can extend their life. Proper maintenance extends their lifespan and improves plant productivity. While bearings are essential for machinery, you should make sure you follow the proper safety procedures every time you work with them. These tips will also help prevent accidents and maintain your machine’s efficiency. Once you’ve followed these guidelines, you can safely inspect your bearings and ensure that they’re operating at their optimum capacity.

China Best Sales Deep Groove Ball/Self Aligning/ Thrust/Angular Contact/Ball Bearing/Taper/Cylindrical Roller/ Pillow Block/Self Aligning/Needle/Roller Bearing/Wheel Hub Bearing   manufacturerChina Best Sales Deep Groove Ball/Self Aligning/ Thrust/Angular Contact/Ball Bearing/Taper/Cylindrical Roller/ Pillow Block/Self Aligning/Needle/Roller Bearing/Wheel Hub Bearing   manufacturer
editor by CX 2023-04-19