China Professional 704702K2 Bearing Cups for Universal Joint bearing and race

Product Description

75712k2

Details: 

D=30+0.012
L=25+-0.25

1) Materials: 20Cr
2) Can develop according to customer’s drawings or samples
3) OEM is available
4) Good quality and resonable price

Russia application: 

Item No

Part Number

Weight(kg)

SIZE

1

5320-22 0571 1

2.5

50X135-1

2

4310-22 0571 1

3.2

50X155

3

53205-22 0571 1

3.2

50X155-1

4

53A-2257125

0.95

35X98

5

53A-2257125 no logo

0.94

35X98

6

0.6

30X88(small needle)

7

no logo

0.6

30X88(small needle)

8

0.6

30X55X88

9

0.25

23.8X61.2

10

0.42

28X71

11

5.49

62X173

12

6520-22 0571 1

4.2

57X152

13

0.2

UJR3302 19X44.6

14

2.6

50X135-3

15

1.43

39X118-1

16

1.43

39X118

17

no lubricator

0.96

39X118

18

-01 with circlips

1.1

39X118-1

19

5

2.6

50X135-2

20

4

8.3

72X185

22

131-22 0571 1

2.5

50X135

23

0.24

W23X61-1

24

0.51

UJ412(28X55X83)

25

0.46

UJR5320(28X36X67)

26 -10 2.49 47.6X135
27 6340/ 0.13 19X56
28 41-015-7205 3.3 In stock now 
  340–1 141-10-14160
144-10-12620 -1 415-20-12620
144-15–1 418-20-326-1 175-20-3-1   
145-14–1   
14X-11-11110 -1   
150-11-00097 381-97-6907-1   
150-11-12360 381-97-6908-1

More catalogue, please visit ourweb

How customer saying: 

Some Packing example: 

About us: 

 

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Condition: New
Color: Silver
Certification: ISO, Ts16949
Structure: Single
Material: 20cr
Type: 20crmnti
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

cup bearing

Contribution of Cup Bearings to Smooth Operation and Reduced Friction

Cup bearings play a crucial role in ensuring the smooth operation of machinery while minimizing friction. Their design and functions contribute to this in several ways:

  • Reduced Friction: Cup bearings are designed to minimize friction between moving parts. Their rolling elements, such as balls or rollers, reduce contact surfaces and enable smooth, low-friction movement. This reduces energy consumption and heat generation in the machinery.
  • Load Distribution: Cup bearings distribute loads evenly across their rolling elements. This even load distribution prevents excessive stress on specific points and ensures that the machinery operates smoothly without experiencing undue wear or damage.
  • Alignment Tolerance: Cup bearings can accommodate misalignment to some degree. This ability to handle minor misalignments ensures that even in less-than-ideal conditions, the machinery can continue to operate smoothly and efficiently.
  • Minimized Wear: The rolling elements and races of cup bearings are often made from materials with excellent wear resistance. This minimizes wear and extends the service life of the bearing and the machinery in which it is used.
  • Reduced Heat Generation: The low friction and efficient load distribution of cup bearings result in reduced heat generation during operation. This is particularly important in high-speed machinery where excessive heat can lead to premature wear and reduced efficiency.

Overall, cup bearings contribute to the efficient and smooth operation of machinery by reducing friction, ensuring even load distribution, and providing tolerance for misalignment. These factors are essential for minimizing wear, extending the lifespan of the machinery, and maintaining high performance.

cup bearing

Usage of Cup Bearings in Heavy-Duty and Industrial Machinery

Yes, cup bearings are commonly employed in heavy-duty and industrial machinery applications due to their durability and load-carrying capabilities. These applications include:

1. Construction Equipment: Cup bearings are used in heavy construction machinery such as excavators, cranes, bulldozers, and concrete mixers to support radial and axial loads in harsh working environments.

2. Mining Equipment: Mining machinery, like crushers, conveyors, and drilling rigs, rely on cup bearings to handle the extreme loads and abrasive conditions found in mining operations.

3. Agricultural Machinery: Farming equipment, including tractors and combines, uses cup bearings for various components, providing reliable operation in dusty and challenging farming conditions.

4. Material Handling: Industrial material handling equipment, like forklifts, conveyors, and packaging machinery, depends on cup bearings for smooth movement and load support.

5. Heavy Manufacturing: In manufacturing settings, cup bearings are integrated into machinery such as presses, stamping equipment, and injection molding machines to facilitate precision movement and support heavy loads.

6. Automotive Manufacturing: Cup bearings play a crucial role in automotive manufacturing processes, ensuring the functionality of robotic arms, conveyors, and assembly line equipment.

7. Marine and Offshore: Machinery used in marine and offshore applications, including winches, cranes, and propulsion systems, rely on cup bearings to withstand saltwater exposure and heavy loads.

8. Power Generation: In power plants, cup bearings are used in generators, turbines, and other machinery to support rotational elements, demonstrating their ability to handle high temperatures and forces.

These examples illustrate the versatility and resilience of cup bearings, making them a valuable choice for various heavy-duty and industrial machinery applications.

cup bearing

Components of a Cup Bearing Assembly and Their Roles

A cup bearing assembly consists of several components, each with a specific role in its operation:

1. Cup (Outer Ring): The cup, often referred to as the outer ring, is a hardened steel component with a precisely machined raceway. It serves as the outer race and provides structural support for the bearing. The cup’s role is to maintain the proper distance and alignment between the rollers.

2. Cone (Inner Ring): The cone, or inner ring, is another hardened steel component. It has a matching raceway that fits with the cup’s raceway. The cone serves as the inner race and contains the rolling elements. Its role is to maintain proper alignment and spacing of the rolling elements.

3. Tapered Rollers: Tapered rollers are the rolling elements that transmit the loads and facilitate smooth rotation. They are arranged between the cup and cone and are designed with a tapered shape to distribute loads evenly along the raceways, reducing the risk of edge loading and premature wear.

4. Cage (Retainer): In some cup bearing assemblies, a cage or retainer is used to maintain the spacing and orientation of the rollers. The cage ensures that the rollers do not come into direct contact with each other, reducing friction and wear while promoting smooth rolling.

5. Lubrication: Proper lubrication is crucial for the efficient operation of cup bearings. Lubricant, often grease or oil, reduces friction, dissipates heat, and minimizes wear. It also helps prevent corrosion and extends the bearing’s service life.

6. Seals and Shields: In many cup bearing applications, seals and shields are employed to protect the bearing’s internal components from contaminants and moisture. Seals create a barrier to prevent the entry of foreign particles, while shields provide limited protection while allowing some ventilation.

7. Bearing Housing: The bearing assembly is often mounted within a bearing housing, which secures it in place and aligns it with the rotating shaft. The housing provides support and ensures proper axial and radial alignment of the cup bearing.

All these components work together to facilitate the smooth and reliable operation of a cup bearing, handling various loads while minimizing friction and wear, thereby extending the bearing’s lifespan and contributing to the efficiency of the machinery it serves.

China Professional 704702K2 Bearing Cups for Universal Joint   bearing and raceChina Professional 704702K2 Bearing Cups for Universal Joint   bearing and race
editor by CX 2024-04-09

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