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CRA Series Thin Wall Cross Roller Bearings

CRA Series Thin Wall Cross Roller Bearings
Your Leading CRA Series Thin Wall Cross Roller Bearings Supplier

 

SUN AUTOMATION GROUP LIMITED has the ability to provide customers with professional bearing solutions. CRA series thin wall cross roller bearings are a type of roller bearing designed for applications requiring high precision, rigidity, and load-bearing capacity. They feature a thin wall design and a "crossed" or "X" arrangement of cylindrical rollers, allowing them to handle both radial and axial loads simultaneously. They excel in absorbing forces and torques from all four stress directions due to their 90-degree structure, making them suitable for a wide range of applications.

 

 
 
Why Choose Us?
 
 
 

Production Market

Our products have been exported to North America, Europe, the Middle East, Brazil, South Africa, and Mexico and were well acknowledged by clients worldwide.

 
 

Production Capacity

Our warehouse has one of the largest inventories. We have an annual output of 5 million sets of bearings. We guarantee direct shipments, timely delivery, and a single source of supply.

 
 

Production Equipment

The production line has much equipment, including manufacturing and testing machinery. We will check the production equipment regularly to ensure that we can produce higher-quality bearings.

 
 

Professional Service

We have a 7*24 hours professional sales consultant team that can respond to your needs as quickly as possible and provide the fastest transportation method to bring you a high-quality and low-cost purchasing experience.

 

 

Types of CRA Series Thin Wall Cross Roller Bearings

Bracket Adjusted Combined Roller

Bracket adjusted combined roller in terms of technology and economy, compact, easy-to-install bearings. Cross roller bearing and drawing has a high overturning moment load capacity, rigidity and precision required in the bearing position.

CRA 5008 Bearing

The CRA 5008 bearing is composed of a set of cross-arranged rollers, and the inner and outer rings are rotated relative to each other through the rollers. It has a compact structure and can withstand complex loads and multi-directional moments. CRA 5008 bearings usually have high precision and high rigidity, and are widely used in engineering equipment that needs to rotate smoothly and bear large loads.

CRA 5008 Bearing
CRA Thin Wall Bearing

RA 13008 Bearing

RA 13008 bearing is a compact type of model RA with extremely thin outer and inner rings. It is optimal for areas where the swiveling unit needs to be light and small.

CRA Thin Wall Bearing

CRA thin-wall bearing is a kind of bearing with compact structure, relatively large outer diameter and relatively thin wall thickness. It adopts special manufacturing process and high-quality materials, which make the bearing have extremely low friction loss and highly precise motion control ability.

 

 

Specifications of CRA Series Thin Wall Cross Roller Bearings

 

 

productcate-1157-560

 

Features of CRA Series Thin Wall Cross Roller Bearings
 
 

Thin-walled structure

One of the characteristics of CRA thin-walled bearings is that their outer diameter is relatively large, while the wall thickness is relatively thin. This design allows the bearing to be lightweight and compact for applications where space is limited.

 
 
 

High precision

CRA thin-walled bearings have excellent geometric control and manufacturing precision, enabling highly precise motion control and positional stability.

 
 
 

Low friction loss

The bearing adopts optimized friction matching and lubrication design, which has low friction loss and high-efficiency rotation ability.

 

 

Customization Options

Classification: Customizable
Tolerance: Customizable
Precision: Customizable
MOQ: As low as 1 set
Shipping date: Minimum 2 working days

CRA88.4-8P

 

Applications of CRA Series Thin Wall Cross Roller Bearings
 

Machine Tool Spindles: Cross Roller Bearings are widely used in machine tool spindles. They offer high rigidity, low rotational torque, and high accuracy, which is essential in the manufacture of precision parts.

 

Robotics: Cross Roller Bearings are also used in robotics. They provide high rigidity, accuracy, and low friction, which is essential for the precise movements required in robotics.

 

Medical Equipment: Cross Roller Bearings are used in medical equipment, such as X-ray machines and CT scanners. They provide high rigidity, accuracy, and low friction, which is essential in the manufacture of medical equipment.

 

Aerospace: Cross Roller Bearings are used in aerospace applications, such as aircraft engines and landing gears. They provide high rigidity, accuracy, and low friction, which is essential in the manufacture of aerospace equipment.

 

Semiconductor Equipment: Cross Roller Bearings are also used in semiconductor equipment. They provide high rigidity, accuracy, and low friction, which is essential in the manufacture of semiconductor devices.

 

Payment Terms

 

 

T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.

 

 

Packaging and Shipping

 

 

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FAQ

 

Q: What are the structural characteristics of CRA series thin wall cross roller bearings?

A: The CRA series thin wall cross roller bearingsfeature a thin - walled design, which helps reduce weight and save space. The rollers are arranged perpendicular to each other, enabling the bearings to simultaneously bear radial, axial, and overturning moments.

Q: In what applications are CRA series thin wall cross roller bearings commonly used?

A: In robotics, they are used in robot joints to achieve high - precision motion and load - bearing.
In the aerospace industry, they are found in aircraft landing gear and flight control systems.
In precision machinery, they help ensure the accuracy and stability of equipment operation.

Q: What are the common causes of noise and vibration in CRA series thin wall cross roller bearings during operation?

A: Improper installation or misalignment leads to uneven load distribution and increased friction, resulting in noise and vibration. Inadequate or contaminated lubrication can also cause greater friction, leading to the same problems.

Q: How to ensure the proper installation of CRA series thin wall cross roller bearings?

A: Before installation, check the dimensions and accuracy of the installation parts to ensure they meet the requirements. During installation, use appropriate tools to ensure that the bearings are installed correctly and evenly, and avoid any damage to the bearings. Ensure proper alignment between the bearing and the mating components to achieve uniform load distribution.

Q: What kind of lubrication is suitable for CRA series thin wall cross roller bearings?

A: Grease is often preferred in applications where maintenance is infrequent, as it has good sealing performance and can prevent the ingress of contaminants. Oil lubrication is suitable for high - speed and high - temperature applications, as it has better heat dissipation and cooling effects.

Q: How to maintain CRA series thin wall cross roller bearings?

A: Regularly inspect the bearings for wear, damage, and lubrication levels.
Clean the bearing surfaces and the surrounding area to prevent the ingress of dust, dirt, and moisture.
Check the tightness of the installation bolts and nuts to ensure that the bearings are securely installed.
If any problems are found, take timely measures such as replacement or repair.

We're well-known as one of the leading cra series thin wall cross roller bearings manufacturers and suppliers in China. If you're going to buy high quality cra series thin wall cross roller bearings with competitive price, welcome to get more information from our factory.

RA 12008 Bearing, Bracket Adjusted Combined Roller, CRA 5008 Bearing

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