Shaft Diameter 115mm RU178 Crossed Roller Bearing 115X240X28mm Precision Robot Bearing

The RU178 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:165 mm
• Bore Diameter: 80 mm
• Width:22 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 RU178 bearing excels in applications requiring high performance and reliability, offering superior stiffness and load capacity while simplifying installation.

What's the Performance Features of RU178 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 RU178 Crossed Roller Bearing?

The RU178 bearing, as a high-precision crossed roller bearing, is widely used in various fields due to its compact design, high rigidity, and composite load-carrying capacity:

1. Industrial Automation and Robotics

• Robotic Arm Joints: Used in rotary joints of industrial robots, withstanding multi-directional loads while providing stable motion .
• AGV/Service Robots: Supports precision rotary components in automated equipment, such as hollow rotary platforms and robotic arm bases .

2. Precision Machining Equipment

• CNC Machine Tool Rotary Tables: Acts as a core component of machining center rotary tables, ensuring high-precision indexing and cutting stability.
• Laser Equipment/Optical Instruments: Used in rotary discs of laser cutting machines and precision positioning systems for optical inspection equipment .

3. Medical and Scientific Instruments

• Medical Imaging Equipment: Such as CT/MRI rotary supports, meeting low-noise and high-reliability requirements .
• Laboratory Equipment: Applied in rotating mechanisms of centrifuges and precision microscopes .

4. Aerospace and Military

• Satellite Pointing Systems: Supports stable rotation of spacecraft payload orientation mechanisms.
• Radar Antenna Bases: Used in 360° rotational drive systems for ground-based or shipborne radars .

5. New Energy and Heavy Industry

• Wind Turbine Pitch Systems: Acts as a supplementary component to yaw bearings, enhancing resistance to overturning forces.

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.

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