Shaft Diameter 10mm RU28 Crossed Roller Bearing 10X52X8mm Precision Robot Bearing

The RU28 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: 52 mm
• Bore Diameter: 10 mm
• Width:8mm
• Structure: Integrated compact design supporting radial, axial, and moment loads in any direction.
• Installation: Simplified by eliminating the need for a mounting flange.

The RU28 bearing excels in applications requiring high performance and reliability, offering superior stiffness and load capacity while simplifying installation.

What's the Performance Features of RU28 Crossed Roller Bearing?

1. High Precision: Achieves P4 and P2 precision levels, ensuring exceptional rotational accuracy and stability.

2. High Rigidity: Features preloaded design to enhance structural stiffness and performance.

3. High Load Capacity: Capable of supporting bi-directional axial loads, radial loads, and tilting moments, making it suitable for complex loading conditions.

4. Compact Design: Its small size helps save valuable space in machine tools without compromising performance.

What's the Applications of the RU28 Crossed Roller Bearing?

The RU28 crossed roller bearings are widely used in fields with stringent requirements for space and performance, thanks to their high rigidity, precision, and compact design. Specific applications include:

1. Industrial Automation and Robotics

Robot Joints and Rotating Components

The RU28 bearing, with its compact structure and low friction characteristics, is widely used in industrial robot joints (such as six-axis robotic arms), collaborative robots, and exoskeleton robots, ensuring precise motion control.

AGV/Automation Equipment

Used in the steering systems of AGVs and precision turntables in automated production lines, supporting high repeatability and positioning accuracy.

2. High-End Equipment Manufacturing

CNC Machines and Machining Centers

As a core component for CNC rotary tables and indexing tables in four- and five-axis machines, it enables high-precision cutting and complex surface machining.

Direct Drive Motors and Hollow Rotary Platforms

Integrated into direct drive motors (DD motors) and hollow rotary platforms, meeting the demands for high-speed and high-rigidity transmission.

3. Precision Instruments and Specialized Equipment

Medical Devices and Optical Equipment

Applied in surgical robots, CT scanner rotating components, and optical alignment platforms, ensuring micron-level operational precision.

Radar and Communication Equipment

Used in radar antenna bases and satellite communication equipment's precision pointing mechanisms, adapting to high-frequency rotation and complex loads.

4. Research and Special Scenarios

Aerospace Testing Equipment

Serves flight simulators, inertial navigation system testing devices, and can withstand extreme conditions.

Scientific Instruments

Embedded in precision measuring instruments and semiconductor manufacturing equipment (such as wafer stages in photolithography machines), supporting nanometer-level positioning.

RU Series (Integrated Inner/Outer Ring Type) Crossed Roller Bearing

The RU series bearings feature provided mounting holes, eliminating the need for a presser flange or housing. Additionally, with an integrated inner/outer ring structure and equipped with washers, their performance is minimally impacted by the mounting procedure. This ensures stable rotation accuracy and torque.

This model supports both inner-ring rotation and outer-ring rotation, offering high flexibility and adaptability.

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