Crossed Roller Bearing RA5008UUCC0 50X66X8mm Block Linear Guide Slide RA5008C Cross-Roller Ring Thin Wall Crossed Roller Bearing Compact Hand Robot Joint Bearing

The RA5008UUCC0 bearing is designed for high-precision rotational motion, featuring crossed cylindrical rollers arranged at right angles to provide exceptional rigidity and load-bearing capacity. Key features include:

• Outer Diameter:66 mm
• Bore Diameter: 50 mm
• Width:8 mm
• Structure: Integrated compact design supporting radial, axial, and moment loads in any direction.
• Installation: Simplified by eliminating the need for a mounting flange.

The RA5008UUCC0 bearing excels in applications requiring high performance and reliability, offering superior stiffness and load capacity while simplifying installation.

What's the Performance Features of RA5008UUCC0 Crossed Roller Bearing?

RA5008UUCC0 is a thin-walled cross roller bearing, primarily used in industrial scenarios that demand high precision and lightweight design.

1. High Rigidity

• Provides 3-4 times more rigidity than traditional bearings, supporting loads in all directions (radial, axial, and moment loads).

2. Compact Design

• Extremely thin profile (only 8mm thick), making it perfect for tight spaces.

3. High Precision

• Offers micron-level accuracy with pre-load adjustment to ensure stable rotation.

4. Versatile Load Capacity

• Can handle radial, axial, and moment loads simultaneously thanks to its crossed roller design where rollers are arranged perpendicularly and separated by spacers.

5. Low Friction and Long Life

• Reduced friction between rollers extends maintenance intervals and increases durability.

What's the Applications of the RA5008UUCC0​ Crossed Roller Bearing?

1. Industrial Robots and Robotic Arms

Suitable for robot joints and rotating parts of robotic arms. With a thin-wall structure (only 8mm thick) and an integrated inner ring design, it meets lightweight requirements while providing micron-level rotational accuracy .

• Typical Applications: Joint bearings for industrial robots, rotary supports for robotic arms .

2. CNC Machines and Precision Machining Equipment

Used in CNC machine rotary tables and precision rotary worktables, capable of withstanding radial, axial, and moment loads, ensuring stability during high-speed operation .

• Examples: Rotary tables for machining centers, vertical grinder rotary tables .

3. Medical Equipment and Precision Instruments

Suitable for rotating components of medical imaging equipment (such as CT and MRI scanners) and high-precision testing instruments, relying on its low friction and high rigidity characteristics .

• Typical Scenarios: Medical robotic arms, precision measuring instruments .

4. Automation and Precision Transmission Systems

Used in rotary supports for servo motors and direct-drive torque motors, supporting high speeds and precise positioning .

• Typical Applications: AGV carts, rotary platforms in automated sorting systems .

5. Special Industrial Equipment

• Thrust Bearing Sets for Twin-Screw Extruders: The RA5008UUCC0 can withstand heavy loads, making it suitable for plastic processing equipment [3].

• Thin-Wall Bearings for Drones: Its lightweight design meets the dual demands of weight reduction and rigidity for aircraft .

6. Semiconductor and Electronics Manufacturing Equipment

• Used in IC manufacturing equipment and precision optical instruments, maintaining high rotational accuracy and low wear in clean environments.

RA-C Series Crossed Roller Bearing

The RA C Series Cross Roller Bearings are compact bearings specifically designed for high-precision and high-rigidity applications. Their core features and application scenarios are as follows:

1. Structural Features

Integrated Inner and Outer Rings

The RA C Series adopts an integrated inner and outer ring structure, with the outer ring featuring a crack design (notched structure). This design maintains high rigidity while allowing the outer ring to rotate, making it suitable for applications where the outer ring needs to move .

Ultra-Thin Section and Compact Size

This series achieves an ultra-thin section . It is particularly ideal for applications with limited installation space, such as industrial robot joints and rotating components of robotic arms.

Composite Load Capacity

The rollers are arranged in a 90° cross pattern, allowing a single bearing to handle radial loads, axial loads, and overturning moments, replacing traditional multi-bearing combinations .

2. Application Areas

Industrial Robots

Used in robotic arm joints and rotating components, meeting the demands for high-speed motion and precision due to their high rigidity and low friction characteristics .

CNC Machines and Machining Centers

Suitable for rotary tables and precision indexing tables, providing stable rotational accuracy and shock resistance.

Medical Equipment and Precision Instruments

Its high-precision characteristics make it the preferred choice for fields such as surgical robots and optical instruments .

3. Advantages and Performance

High Rigidity and Load Capacity

The integrated inner and outer ring structure enhances anti-overturning capability, enabling the bearing to withstand complex loads and making it suitable for heavy machinery and high-dynamic load scenarios.

Low Friction and Long Service Life

Rollers are separated by spacers to prevent tilting and friction, reducing rotational torque and extending lubrication intervals.

Preload Adjustment Flexibility

Supports preload adjustment to optimize rotational accuracy and stability, adapting to various operating conditions.

If you need more detailed information , feel free to ask!