Product Description

Metric Sizes Tapered Roller Bearings
Product Number Bore Dia Outer Dia Inner Width Outer Width Width
(d) (D) (Bi) (Bo) (B)
35712 15 mm 35 mm 11 mm 10 mm 11.75 mm
30302 15 mm 42 mm 13 mm 11 mm 14.25mm
35713 17 mm 40 mm 12 mm 11 mm 13.25mm
30303 17 mm 47 mm 14 mm 12 mm 15.25 mm
32303 17 mm 47 mm 19 mm 16 mm 20.25 mm
35714 20 mm 47 mm 14 mm 12 mm 15.25 mm
35714B 20 mm 47 mm 14 mm 12 mm 15.25 mm
30304 20 mm 52 mm 15 mm 13 mm 16.25mm
30304C 20 mm 52 mm 16 mm 12 mm 16.25 mm
32204 20 mm 47 mm 18 mm 15 mm 19.25 mm
32304 20 mm 52 mm 21 mm 18 mm 22.25mm
35715 25 mm 52 mm 15 mm 13 mm 16.25 mm
30305 25 mm 62 mm 17 mm 15 mm 18.25 mm
31305 25 mm 62 mm 17 mm 13 mm 18.25 mm
32005 25 mm 47 mm 15 mm 11.50 mm 15 mm
32205 25 mm 52 mm 18 mm 16 mm 19.25 mm
32305 25 mm 62 mm 24 mm 20 mm 25.25 mm
33205 25 mm 52 mm 22 mm 18 mm 22 mm
32026 26 mm 47 mm 15 mm 11.50 mm 47 mm
32571 28 mm 52 mm 16 mm 12 mm 16. mm
33228 28 mm 58 mm 24 mm 19 mm 24 mm
35716 30 mm 62 mm 16 mm 14 mm 17.25 mm
30306 30 mm 72 mm 19 mm 16 mm 20.75 mm
31306 30 mm 72 mm 19 mm 14 mm 20.75 mm
32006 30 mm 55 mm 17 mm 13 mm 17 mm
32206 30 mm 62 mm 20 mm 17 mm 21.25 mm
32306 30 mm 72 mm 27 mm 23 mm 28.75 mm
33206 30 mm 62 mm 25 mm 19.5 mm 25 mm
32032 32 mm 58 mm 17 mm 13 mm 17 mm
32032A 32 mm 58 mm 17 mm 13 mm 17 mm
32332B 32 mm 75 mm 28 mm 23 mm 29.75 mm
33232 32 mm 65 mm 26 mm 20.5 mm 26 mm
35717 35 mm 72 mm 17 mm 15 mm 18.25 mm
30307 35 mm 80 mm 21 mm 18 mm 22.75 mm
31307 35 mm 80 mm 21 mm 15 mm 22.75 mm
32007 35 mm 62 mm 18 mm 14 mm 18 mm
32207 35 mm 72 mm 23 mm 19 mm 24.25 mm
32307 35 mm 80 mm 31 mm 25 mm 32.75 mm
33207 35 mm 72 mm 28 mm 22 mm 28 mm
35718 40 mm 80 mm 18 mm 16 mm 19.75 mm
30308 40 mm 90 mm 23 mm 20 mm 25.25 mm
31308 40 mm 90 mm 23 mm 17 mm 25.25 mm
32008 40 mm 68 mm 19 mm 14.5 mm 19 mm
32208 40 mm 80 mm 23 mm 19 mm 24.75 mm
32308 40 mm 90 mm 33 mm 27 mm 35.25 mm
33108 40 mm 75 mm 26 mm 20.5 mm 26 mm
33208 40 mm 80 mm 32 mm 25 mm 32 mm
35719 45 mm 85 mm 19 mm 16 mm 20.75 mm
30309 45 mm 100 mm 25 mm 22 mm 27.25 mm
31309 45 mm 100 mm 25 mm 18 mm 27.25 mm
32009 45 mm 75 mm 20 mm 15.5 mm 20 mm
32209 45 mm 85 mm 23 mm 19 mm 24.75 mm
32309 45 mm 100 mm 36 mm 30 mm 38.25 mm
33209 45 mm 85 mm 32 mm 24.5 mm 32 mm
27709 45 mm 100 mm 29 mm 20.50 mm 31.75 mm
33109 45 mm 80 mm 26 mm 20.5 mm 26 mm
27709K 45 mm 100 mm 29 mm 20.50 mm 32 mm
35710 50 mm 90 mm 20 mm 17 mm 21.75 mm
3571 50 mm 110 mm 27 mm 23 mm 29.25 mm
31310 50 mm 110 mm 27 mm 19 mm 29.25 mm
32571 50 mm 80 mm 20 mm 15.5 mm 20 mm
32210 50 mm 90 mm 23 mm 19 mm 24.75 mm
32310 50 mm 110 mm 40 mm 33 mm 42.25 mm
33110 50 mm 85 mm 26 mm 20 mm 26 mm
33210 50 mm 90 mm 32 mm 24.5 mm 32 mm
30111 55 mm 100 mm 21 mm 18 mm 22.75 mm
3571 55 mm 120 mm 29 mm 25 mm 31.5 mm
31311 55 mm 120 mm 29 mm 21 mm 31.5 mm
32011 55 mm 90 mm 23 mm 17.5 mm 23 mm
32211 55 mm 100 mm 25 mm 21 mm 26.75 mm
32311 55 mm 120 mm 43 mm 35 mm 45.5 mm
32311A 55 mm 120 mm 43 mm 35 mm 45.5 mm
33111 55 mm 95 mm 30 mm 23 mm 30 mm
33211 55 mm 100 mm 35 mm 27 mm 35 mm
35712 60 mm 110 mm 22 mm 19 mm 23.75 mm
3571 60 mm 130 mm 31 mm 26 mm 33.5 mm
31312 60 mm 130 mm 31 mm 22 mm 33.5 mm
32012 60 mm 95 mm 23 mm 17.5 mm 23 mm
32212 60 mm 110 mm 28 mm 24 mm 29.75 mm
32312 60 mm 130 mm 46 mm 37 mm 48.5 mm
32312B 60 mm 130 mm 46 mm 37 mm 48.5 mm
33112 60 mm 100 mm 30 mm 23 mm 30 mm
33212 60 mm 110 mm 38 mm 29 mm 38 mm
35713 65 mm 120 mm 23 mm 20 mm 24.75 mm
3571 65 mm 140 mm 33 mm 28 mm 36 mm
30613E 65 mm 110 mm 30 mm 24 mm 30.5 mm
31313 65 mm 140 mm 33 mm 23 mm 36 mm
32013 65 mm 100 mm 23 mm 17.5 mm 23 mm
32213 65 mm 120 mm 31 mm 27 mm 32.75 mm
32313 65 mm 140 mm 48 mm 39 mm 51 mm
32313B 65 mm 140 mm 48 mm 39 mm 51 mm
33113 65 mm 110 mm 34 mm 26.50 mm 34 mm
33213 65 mm 120 mm 41 mm 32 mm 41 mm
35714 70 mm 125 mm 24 mm 21 mm 26.25 mm
3571 70 mm 150 mm 35 mm 30 mm 38 mm
31314 70 mm 150 mm 35 mm 25 mm 38 mm
32014 70 mm 110 mm 25 mm 19 mm 25 mm
32214 70 mm 125 mm 31 mm 27 mm 33.25 mm
32314 70 mm 150 mm 51 mm 42 mm 54 mm
32314B 70 mm 150 mm 51 mm 42 mm 54 mm
33114 70 mm 120 mn 37 mm 29 mm 37 mm
33214 70 mm 125 mm 41 mm 32 mm 41 mm
35715 75 mm 130 mn 25 mm 22 mm 27.25 mm
3571 75 mm 160 mm 37 mm 31 mm 40 mm
30615 75 mm 135 mm 45 mm 36.5 mm 44.5 mm
31315 75 mm 160 mm 37 mm 26 mm 40 mm
32015 75 mm 115 mm 25 mm 19 mm 25 mm
32215 75 mm 130 mm 31 mm 27 mm 33.25 mm
32315 75 mm 160 mm 55 mm 45 mm 58 mm
32315B 75 mm 160 mm 55 mm 45 mm 58 mm
33115 75 mm 125 mm 37 mm 29 mm 37 mm
33215 75 mm 130 mm 41 mm 31 mm 41 mm
35716 80 mm 140 mm 26 mm 22 mm 28.25 mm
3 0571 80 mm 170 mm 39 mm 33 mm 42.5 mm
30616 80 mm 140 mm 45 mm 36.5 mm 45 mm
31316 80 mm 170 mm 39 mm 27 mm 42.5 mm
32016 80 mm 125 mm 29 mm 22 mm 29 mm
32216 80 mm 140 mm 33 mm 28 mm 35.25 mm
32316 80 mm 170 mm 58 mm 48 mm 61.5 mm
33116 80 mm 130 mm 37 mm 29 mm 37 mm
33216 80 mm 140 mm 46 mm 35 mm 46 mm
35717 85 mm 150 mm 28 mm 24 mm 30.5 mm
3 0571 85 mm 180 mm 41 mm 34 mm 44.5 mm
31317 85 mm 180 mm 41 mm 28 mm 44.5 mm
32017 85 mm 130 mm 29 mm 22 mm 29 mm
32217 85 mm 150 mm 36 mm 30 mm 38.5 mm
32317 85 mm 180 mm 60 mm 49 mm 63.5 mm
33117 85 mm 140 mm 41 mm 32 mm 41 mm
33217 85 mm 150 mm 49 mm 37 mm 49 mm
35718 90 mm 160 mm 30 mm 26 mm 32.5 mm
3 0571 90 mm 190 mm 43 mm 36 mm 46.5 mm
31318 90 mm 190 mm 43 mm 30 mm 46.5 mm
32018 90 mm 140 mm 32 mm 24 mm 32 mm
32218 90 mm 160 mm 40 mm 34 mm 42.5 mm
32318 90 mm 190 mm 64 mm 53 mm 67.5 mm
33118 90 mm 150 mm 45 mm 35 mm 45 mm
35719 95 mm 170 mm 32 mm 27 mm 34.5 mm
3571 95 mm 200 mm 45 mm 38 mm 49.5 mm
31319 95 mm 200 mm 45 mm 32 mm 49.50 mm
32019 95 mm 145 mm 32 mm 24 mm 32 mm
32219 95 mm 170 mm 43 mm 37 mm 45.5 mm
32319 95 mm 200 mm 67 mm 55 mm 71.5 mm
33019 95 mm 145 mm 39 mm 32.5 mm 39 mm
35710 100 mm 180 mm 34 mm 29 mm 37 mm
30320 100 mm 215 mm 47 mm 39 mm 51.5 mm
31320 100 mm 215 mm 51 mm 35 mm 56.5 mm
32571 100 mm 150 mm 32 mm 24 mm 32 mm
32220 100 mm 180 mm 46 mm 39 mm 49 mm
32320 100 mm 215 mm 73 mm 60 mm 77.5 mm
33220 100 mm 180 mm 63 mm 48 mm 63 mm
35711 105 mm 190 mm 36 mm 30 mm 39 mm
30321 105 mm 225 mm 49 mm 41.00 mm 53.50 mm
31321 105 mm 225 mm 53 mm 36 mm 58 mm
32571 105 mm 160 mm 35 mm 26 mm 35 mm
32221 105 mm 190 mm 50 mm 43 mm 53 mm
32321 105 mm 225 mm 77 mm 63 mm 81.5 mm
35712 110 mm 200 mm 38 mm 32 mm 41 mm
30322 110 mm 240 mm 50 mm 42 mm 54.5 mm
31322 110 mm 240 mm 57 mm 38 mm 63 mm
32571 110 mm 170 mm 38 mm 29 mm 38 mm
32222 110 mm 200 mm 53 mm 46 mm 56 mm
32322 110 mm 240 mm 80 mm 65 mm 84.5 mm
33571 110 mm 170 mm 47 mm 37 mm 47 mm
33122 110 mm 180 mm 56 mm 43 mm 56 mm
35714 120 mm 215 mm 40 mm 34 mm 43.5 mm
30324 120 mm 260 mm 55 mm 46 mm 59.5 mm
31324 120 mm 260 mm 62 mm 42 mm 68 mm
32571 120 mm 180 mm 38 mm 29 mm 38 mm
32224 120 mm 215 mm 58 mm 50 mm 61.50 mm
32324 120 mm 260 mm 86 mm 69 mm 90.5 mm
35716 130 mm 230 mm 40 mm 34 mm 43.75 mm
30326 130 mm 280 mm 58 mm 49 mm 63.75 mm
31326 130 mm 280 mm 66 mm 44 mm 72 mm
32026 130 mm 200 mm 45 mm 34 mm 45 mm
32226 130 mm 230 mm 64 mm 54 mm 67.75 mm
35718 140 mm 250 mm 42 mm 36 mm 45.75 mm
30328 140 mm 300 mm 62 mm 53 mm 67.75 mm
31328 140 mm 300 mm 70 mm 47 mm 77 mm
32571 140 mm 210 mm 45 mm 34 mm 45 mm
32228 140 mm 250 mm 68 mm 58 mm 71.75 mm
35710 150 mm 270 mm 45 mm 38 mm 49 mm
30330 150 mm 320 mm 65 mm 55 mm 72 mm
31330 150 mm 320 mm 75 mm 50 mm 82 mm
32030 150 mm 225 mm 48 mm 36 mm 48 mm
32230 150 mm 270 mm 73 mm 60 mm 77 mm
35712 160 mm 290 mm 48 mm 40 mm 52 mm
30332 160 mm 340 mm 68 mm 58 mm 75 mm
32032 160 mm 240 mm 51 mm 38 mm 51 mm
32232 160 mm 290 mm 80 mm 67 mm 84 mm
35714 170 mm 310 mm 52 mm 43 mm 57 mm
30334 170 mm 360 mm 72 mm 62 mm 80 mm
32034 170 mm 260 mm 57 mm 43 mm 57 mm
32234 170 mm 310 mm 86 mm 71 mm 91 mm
32334 170 mm 360 mm 120 mm 100 mm 128 mm
35716 180 mm 320 mm 52 mm 43 mm 57 mm
32036 180 mm 280 mm 64 mm 48 mm 64 mm
32236 180 mm 320 mm 86 mm 71 mm 91 mm
35718 190 mm 340 mm 55 mm 46 mm 60 mm
32038 190 mm 290 mm 64 mm 48 mm 64 mm
32238 190 mm 340 mm 92 mm 75 mm 97 mm
35710 200 mm 360 mm 58 mm 48 mm 64 mm
32040 200 mm 310 mm 70 mm 53 mm 70 mm
32240 200 mm 360 mm 98 mm 82 mm 104 mm
32044 220 mm 340 mm 76 mm 57 mm 76 mm
32244 220 mm 400 mm 108 mm 90 mm 115 mm
32048 240 mm 360 mm 76 mm 57 mm 76 mm
32948 240 mm 320 mm 51 mm 39 mm 51 mm

Packing & Delivery

1.industrial packing+industrial cartons+pallets

2.single brand box+brand cartons+pallets

3.follow customer’s requests

A.Plastic Tubes or Single Boxes ( Usually 10pcs in 1 plastic tube for steel bearings);

B.Cartons ( No more than 30kg for 1 carton );

C. Pallet ( Usually more than 400kg totally will use pallet )

 

D. Delivery time :7-35 days ( by sea or by air )
 

 Generally,We will choose the most suitable packing method for products. If you have any special requirements for packing, please contact us in advance.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

tapered roller bearing

What Factors should be Considered when Selecting a Tapered Roller Bearing for a Specific Application?

Choosing the right tapered roller bearing for a specific application involves considering various factors to ensure optimal performance and reliability. Here are the key factors to consider:

  • Load Requirements:

Assess the types and magnitudes of both radial and axial loads the bearing will experience. Choose a tapered roller bearing with a load capacity that comfortably exceeds the expected loads to prevent premature wear or failure.

  • Speed:

Determine the required rotational speed of the bearing. High-speed applications may require bearings designed for reduced friction and heat generation to maintain efficiency and avoid overheating.

  • Precision and Tolerance:

Consider the level of precision required for the application. Tapered roller bearings are available in different precision classes, such as ABEC (Annular Bearing Engineering Committee) grades, which impact factors like smoothness and accuracy of rotation.

  • Mounting and Installation:

Assess the available space for mounting the bearing and consider the ease of installation. Bearings with adjustable clearance or preload might be advantageous for fine-tuning the bearing’s internal play.

  • Temperature and Environment:

Take into account the operating temperature range and environmental conditions of the application. Extreme temperatures or corrosive environments may require specific bearing materials or coatings.

  • Lubrication:

Choose an appropriate lubricant based on the application’s speed, temperature, and load conditions. Proper lubrication ensures smooth operation, reduces friction, and prolongs the bearing’s lifespan.

  • Cost and Budget:

Consider the budget allocated for bearings. High-precision or specialized bearings may come at a higher cost, but their performance benefits can outweigh the initial investment over the bearing’s service life.

  • Application Type:

Identify the specific industry and application in which the bearing will be used. Tapered roller bearings are employed in various sectors, including automotive, heavy machinery, aerospace, and more.

  • Expected Lifespan:

Estimate the required bearing lifespan for the application. Factors such as load, speed, and maintenance practices can impact the bearing’s longevity.

  • Bearing Size and Design:

Choose a bearing size that fits within the application’s space constraints while providing the necessary load capacity. The design, including the number and arrangement of rollers, can influence load distribution and performance.

  • Maintenance Requirements:

Consider the maintenance schedule and accessibility for bearing inspection and replacement. Bearings in applications with limited maintenance intervals may require enhanced durability.

In conclusion, selecting a tapered roller bearing for a specific application involves assessing load requirements, speed, precision, mounting, temperature, lubrication, cost, application type, expected lifespan, bearing size, and maintenance considerations. Careful evaluation of these factors ensures that the chosen bearing meets the demands of the application while providing reliable performance and longevity.

tapered roller bearing

What are Tapered Roller Bearings and How do They Function in Machinery?

Tapered roller bearings are a type of rolling element bearing designed to handle both radial and axial loads by providing a conical geometry. They consist of inner and outer rings, tapered rollers, and a cage that holds the rollers in place. Tapered roller bearings are commonly used in various machinery and equipment for their ability to support high radial and axial loads simultaneously. Here’s how they function in machinery:

  • Geometry:

Tapered roller bearings have an inner ring with a conical surface and an outer ring with a matching conical surface. The rollers are also shaped like truncated cones. This geometry allows the rollers to make contact with both the inner and outer raceways at a common point on the bearing axis, distributing loads more effectively.

  • Load Distribution:

The conical shape of tapered rollers enables them to handle both radial and axial loads. Radial loads are supported by the larger diameter of the rollers near the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.

  • Adjustable Clearance:

Tapered roller bearings often allow for adjustable clearance or preload. This feature permits fine-tuning of the bearing’s internal play to optimize performance, reduce friction, and prevent excessive wear.

  • Thrust Capability:

Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.

  • Applications:

Tapered roller bearings are commonly used in various machinery and equipment:

  • Automotive Industry:

Tapered roller bearings are widely used in wheel hubs, transmissions, and differential systems in automobiles, where they handle radial and axial loads experienced during driving.

  • Heavy Machinery:

In construction equipment, mining machinery, and industrial machinery, tapered roller bearings support heavy loads and shocks, making them suitable for applications like earthmoving and material handling.

  • Aerospace:

Tapered roller bearings are used in aircraft landing gear, where they support both vertical and horizontal loads during takeoff, landing, and taxiing.

  • Railways:

In trains, tapered roller bearings are used in wheelsets and axles to manage radial and axial loads that occur as the train moves along curves and straight tracks.

  • Wind Energy:

Tapered roller bearings are employed in wind turbine gearboxes, where they handle the radial and axial loads associated with converting wind energy into electrical power.

  • Installation:

Installation of tapered roller bearings often involves adjusting the internal clearance or preload to optimize performance. Proper lubrication is crucial to ensure smooth operation and longevity.

In summary, tapered roller bearings function by utilizing their conical geometry to support both radial and axial loads, making them versatile components in a wide range of machinery and equipment across various industries.

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Proper lubrication is essential for ensuring optimal performance and longevity of tapered roller bearings. Lubrication plays a critical role in reducing friction, preventing wear, and managing heat generated during operation. Here’s how proper lubrication impacts tapered roller bearings:

  • Reduced Friction:

Lubrication forms a thin film between the rolling elements and raceways, reducing direct metal-to-metal contact. This minimizes friction and the associated heat generation, allowing the bearing to operate smoothly and efficiently.

  • Wear Prevention:

Lubrication forms a protective barrier that prevents wear and surface damage. Without proper lubrication, friction can lead to accelerated wear, pitting, and even surface scoring, shortening the bearing’s lifespan.

  • Heat Dissipation:

Effective lubrication helps dissipate heat generated during operation. This is especially crucial in high-speed applications where excessive heat can lead to premature bearing failure or degradation of lubricant properties.

  • Corrosion Protection:

Lubrication helps create a barrier that protects bearing surfaces from environmental factors that could lead to corrosion. This is particularly important in applications exposed to moisture, chemicals, or other corrosive agents.

  • Noise and Vibration Reduction:

Proper lubrication can dampen vibrations and reduce noise by providing a cushioning effect between the rolling elements and raceways. This contributes to smoother and quieter operation.

  • Longevity:

Well-lubricated bearings experience less wear and stress, leading to extended service life. Bearings that are inadequately lubricated or run dry are prone to premature failure due to excessive wear, heat buildup, and damage to bearing surfaces.

  • Efficiency:

Adequate lubrication maintains the bearing’s efficiency by minimizing energy losses due to friction. Bearings that lack proper lubrication require more energy to overcome higher friction levels, resulting in reduced efficiency.

  • Lubrication Methods:

Various lubrication methods are available, including grease lubrication and oil lubrication. The choice depends on factors such as speed, load, temperature, and application requirements.

To ensure proper lubrication:

  • Follow Manufacturer Recommendations:

Consult the bearing manufacturer’s recommendations for lubricant type, viscosity, and replenishment intervals.

  • Monitor and Maintain:

Regularly monitor the condition of the lubricant and the bearing’s performance. Implement a maintenance schedule for lubricant replacement or replenishment.

  • Environmental Considerations:

Consider the operating environment’s temperature, contamination levels, and exposure to external elements. Some applications may require special lubricants for extreme conditions.

In summary, proper lubrication is crucial for maintaining tapered roller bearings’ performance, preventing wear, reducing friction and heat, and extending their lifespan. A well-lubricated bearing contributes to smoother operation, lower maintenance costs, and improved efficiency.

China high quality 30202 Tapered Roller Bearing High Quality Machinery Parts for Machine Tool Spindle Instrument Motor Hydraulic Machinery   carrier bearingChina high quality 30202 Tapered Roller Bearing High Quality Machinery Parts for Machine Tool Spindle Instrument Motor Hydraulic Machinery   carrier bearing
editor by CX 2024-05-16