Product Description

Model No.

ID (mm)

OD

(mm)

Roller pitch circle diameter

(mm)

Width

(mm)

r min

(mm)

Shoulder height

ds (max.)

Shoulder height

Dh (min.)

RU28

10

52

28

8

0.3

24

29.5

RU42

20

70

41.5

12

0.6

37

47

RU52

25

80

52.5

12

0.6

46.5

58.5

RU66

35

95

66

15

0.6

59

74

RU85

55

120

85

15

0.6

79

93

RU124(G),

RU124X

80

165

124

22

1

114

134

RU148(G),
RU148X

90

210

147.5

25

1.5

133

162

RU178(G),
RU178X

115

240

178

28

1.5

161

195

RU228(G),
RU228X

160

295

227.5

35

2

208

246

RU297(G),
RU297X

210

380

297.3

40

2.5

272

320

RU445(G),
RU445X

350

540

445.4

45

2.5

417

473

Product Parameters

 

 

Company Profile

 

In 2013, 1 associates decided to create an innovative sales service of bearings to satisfy diffierent kinds of application.

In order to supply even more stable quality to our vast customers, we established a factory in HangZhou city, ZHangZhoug province, China, near HangZhou and ZheJiang port, which has recognized by special ISO. The various bearings we produce there have been inspected and confirmed by SGS to be RoHS compliant.

In order to satisfy our customer’s diffierent industrial requirement: Advises, quick quotations, quick delievery, difficullt sourcing bearing products, the best suitable bearing(price, quality), We are working with over 300 suppliers to make sure to get the perfect part for you. We strive to offer the most precise and most suitable bearing for each part.

We Registered “GNYAR” in 2014, registered “MAJC” in 2018, both was received in high-performance praise, and earned high reputation among customers from motorcycle parts, auto parts and embroidery machine spare parts, Power tools, agricultural machine, bicycle, Semiconductor Facilities. Fitness Equipments, Toys, fishing, industrial using design.

After years of development, we believe that by establishing a mutually beneficial relationship with our customers we can both continue to grow and prosper, we wish and hope to always grant you satisfaction.

 

 

Packaging & Shipping

 

FAQ

 

Q1: Is sample free of charge?
A: Sample fee will be returned in the 1st PI payment .

Q2: How long it takes to ship goods to my country?
A: We have inventory for samples, normally 7 days to arrive at your office.

Q3: How is MOQ?
A: 500pcs with customized logo and color.

Q4: How long it takes to make a customized sample?
A: Normally the leadtime is 2-3 weeks since it requires logo tooling and color adjustment. 

Q5: how about quality?
A: Always a pre-production sample before mass production; Always final Inspection before shipment
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Contact Angle: 45°
Aligning: Aligning Bearing
Separated: Separated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

cross roller bearing

How do cross roller bearings enhance the performance of medical devices like CT scanners?

Cross roller bearings play a crucial role in enhancing the performance of medical devices like CT scanners. These bearings offer specific advantages that contribute to the overall functionality, precision, and reliability of CT scanners. Here are the ways in which cross roller bearings enhance the performance of medical devices like CT scanners:

  • Precision Positioning:
  • CT scanners require precise positioning of various components, such as the gantry, X-ray tube, and detector, to ensure accurate imaging. Cross roller bearings provide exceptional precision in motion control, allowing for precise positioning of these components. The low friction and high stiffness of these bearings enable smooth and accurate movements, ensuring precise alignment and reducing the risk of image distortion or artifacts during scanning.

  • High Rigidity:
  • The high rigidity of cross roller bearings is crucial in CT scanners to maintain stability and minimize vibrations. These bearings can withstand external forces and loads without significant deformation. The high rigidity helps to eliminate unwanted motion or deflection, ensuring stable and consistent operation of the scanner. It also helps to maintain the alignment of critical components, such as the X-ray source and detectors, which is essential for obtaining clear and accurate images.

  • Compact Design:
  • CT scanners often have limited space available, especially in clinical settings where the equipment needs to be compact and easily maneuverable. Cross roller bearings have a compact design that allows for efficient integration into the scanner’s structure. Their thin and lightweight construction minimizes the required installation space, enabling the design of more compact and portable CT scanners without compromising performance or stability.

  • High Load Capacity:
  • CT scanners operate under demanding conditions, including high-speed rotations and heavy loads. Cross roller bearings are specifically designed to provide high load capacity in all directions, including axial, radial, and moment loads. These bearings can support the significant loads exerted by the rotating gantry and other moving components while maintaining their structural integrity. The high load capacity ensures the reliability and longevity of the bearings, reducing the risk of premature failures and downtime.

  • Smooth and Quiet Operation:
  • Cross roller bearings offer smooth and quiet operation, which is advantageous in medical environments where patient comfort is a priority. The low friction characteristics of these bearings minimize noise generation during scanner movements, ensuring a quieter scanning experience for patients. Additionally, the smooth operation contributes to the overall efficiency and accuracy of the CT scanner, as it reduces vibrations that could degrade image quality.

  • Long Service Life:
  • CT scanners are designed for long-term use in medical facilities, and reliability is of utmost importance. Cross roller bearings are known for their durability and long service life. They are designed to withstand repeated use, high-speed rotations, and harsh operating conditions. The robust construction and high-quality materials used in these bearings ensure reliable performance and extended service life, reducing the need for frequent replacements and minimizing downtime for maintenance.

In summary, cross roller bearings enhance the performance of medical devices like CT scanners by providing precision positioning, high rigidity, compact design, high load capacity, smooth and quiet operation, and long service life. These advantages contribute to the accuracy, stability, and reliability of the CT scanner, enabling high-quality imaging and improved patient care. By incorporating cross roller bearings into the design of CT scanners, medical equipment manufacturers can optimize the performance and functionality of these critical diagnostic devices.

cross roller bearing

What considerations are important when selecting the appropriate size and material for a cross roller bearing?

When selecting the appropriate size and material for a cross roller bearing, several considerations are crucial to ensure optimal performance and longevity. The following factors should be taken into account:

  • Load Requirements:
  • Determine the expected load that the bearing will need to support. Consider both the magnitude and direction of the load, including radial, axial, and moment loads. Cross roller bearings are known for their high load capacity in all directions, but it is important to select a size and material that can handle the specific load requirements of the application.

  • Space Limitations:
  • Consider the available space for the bearing within the application. Cross roller bearings have a compact design, but it is essential to choose a size that fits within the allotted space while allowing for proper clearance and mounting considerations. Take into account the dimensions of the bearing, including inner and outer diameters, width, and overall profile.

  • Rotational Speed:
  • Determine the rotational speed at which the bearing will operate. Different materials and designs have specific limitations on rotational speed due to factors such as heat generation, lubrication requirements, and the potential for dynamic effects like centrifugal forces. Select a bearing size and material that can safely accommodate the anticipated rotational speed without compromising performance or causing premature wear.

  • Accuracy and Precision:
  • Consider the required level of accuracy and precision for the application. Cross roller bearings are known for their excellent positioning accuracy and low friction characteristics. However, different designs and materials may offer varying levels of precision. Determine the specific tolerance and precision requirements of the application and select a bearing that can meet those criteria.

  • Environmental Conditions:
  • Evaluate the environmental conditions in which the bearing will operate. Factors such as temperature, humidity, exposure to chemicals or corrosive substances, and the presence of contaminants can influence the choice of bearing material. Select a material that can withstand the specific environmental conditions of the application to ensure optimal performance and longevity.

  • Maintenance and Service Life:
  • Consider the desired maintenance requirements and service life expectations. Some bearing materials may require more frequent lubrication or maintenance than others. Additionally, different materials and designs have varying levels of durability and service life. Assess the maintenance capabilities and resources available and select a bearing that aligns with the desired maintenance schedule and service life requirements.

  • Budget and Cost:
  • Take into account the budget and cost considerations. Different bearing sizes and materials may have varying price points. Balance the desired performance and longevity with the available budget to select a bearing that offers the best value for the specific application.

By carefully considering these factors, it is possible to select the appropriate size and material for a cross roller bearing that meets the specific requirements of the application. Choosing the right bearing will help optimize performance, ensure reliability, and extend the service life of the bearing in the given application.

cross roller bearing

What advantages do cross roller bearings offer compared to other bearing types?

Cross roller bearings offer several advantages compared to other bearing types. Their unique design and configuration provide distinct benefits, making them preferred choices in various applications. Here are the advantages of cross roller bearings over other bearing types:

  • High Load Capacity:
  • Cross roller bearings can handle both radial and axial loads simultaneously, allowing them to support high load capacities. The arrangement of cylindrical rollers in a cross pattern enables efficient load distribution, resulting in improved load-carrying capacity compared to other bearing types. This makes cross roller bearings suitable for applications that require high load-carrying capability without sacrificing precision.

  • Space-Saving Design:
  • One of the significant advantages of cross roller bearings is their compact and space-saving design. The arrangement of rollers at right angles to each other and the thin-walled rings contribute to a slim profile. This compact design allows for efficient use of available space in applications where installation space is limited. Cross roller bearings are particularly advantageous in equipment and machinery where size and weight reduction are crucial factors.

  • High Rigidity:
  • Compared to other bearing types, cross roller bearings offer exceptional rigidity. The cross arrangement of rollers and the preloading of the bearing contribute to increased stiffness and resistance to deformation. This high rigidity ensures precise positioning and minimizes deflection under load, making cross roller bearings suitable for applications that demand high accuracy and stability, such as precision machining, robotics, and optical instruments.

  • Precision and Accuracy:
  • Cross roller bearings are known for their excellent rotational accuracy and precise motion control. The arrangement of rollers and the low-friction design result in minimal clearance and backlash, enabling precise positioning and smooth operation. This makes cross roller bearings ideal for applications that require high precision, such as machine tools, robotics, and scientific instruments.

  • Moment Load Capability:
  • Due to their unique design, cross roller bearings offer exceptional moment load-carrying capability. They can handle both radial and axial moments, making them suitable for applications with complex loads. The ability to withstand moments enables cross roller bearings to support rotational movements and resist forces acting perpendicular to the bearing axis. This makes them advantageous in applications such as robotics, rotary tables, and indexing heads.

  • Reduced Friction and Wear:
  • Cross roller bearings exhibit low friction and wear characteristics. The rolling motion of cylindrical rollers reduces sliding friction, resulting in improved efficiency and reduced heat generation. Additionally, the use of high-quality materials and advanced lubrication techniques further minimizes friction and wear, contributing to extended bearing life and reduced maintenance requirements.

In summary, cross roller bearings offer distinct advantages compared to other bearing types. Their high load capacity, space-saving design, high rigidity, precision and accuracy, moment load capability, as well as reduced friction and wear make them preferred choices in various applications. Whether it’s in robotics, machine tools, medical equipment, or scientific instruments, the unique performance characteristics of cross roller bearings contribute to enhanced performance, reliability, and efficiency in numerous industrial sectors.

China Good quality Cross Roller Bearing Ru228 (G) Crossed Roller Bearing Ru228X   bearing driver kitChina Good quality Cross Roller Bearing Ru228 (G) Crossed Roller Bearing Ru228X   bearing driver kit
editor by CX 2024-04-04