How do I select the appropriate XRU I series bearing for my application?

Selecting the right XRU I series bearing involves considering the model and size based on your specific installation space and load requirements. Additionally, choose the accuracy grade that matches your application's rotary precision needs, such as P2, P4, or P5. Understanding the recommended lubrication method and sealing structure is also crucial for ensuring the long-term stable operation of the bearings. Correct installation methods and preload torque are key to the performance of the bearing.

XRU I Series Crossed Roller Slewing Bearings

High-Precision and High-Rigidity Slewing Bearings

The XRU I series crossed roller slewing bearings are engineered to handle radial and axial forces, as well as tilting moments, making them ideal for high-load and high-precision applications. These bearings are recognized for their compact structure, high rigidity, and precision, which are crucial in industries demanding reliable and precise motion control.

Load Rating

High radial, axial, and tilting moments

Precision

High precision for precise positioning

Structure

Compact and lightweight design

Mounting

Easy direct mounting with holes

Available Models & Specifications

Click on any part number to view detailed CAD drawings and download PDF specifications.

Part Number	Bore (d)	Outer (D)	Width (B)
XRU16.0220	mm	mm	mm
XRU16.0897	mm	mm	mm
XRU18.0380	mm	mm	mm
XRU18.0412	mm	mm	mm
XRU18.0433	mm	mm	mm

Why Choose XRU I Series for Precision Applications?

The XRU I series crossed roller slewing bearings are designed with a unique internal structure that integrates two roller tracks and a set of cross-aligned cylindrical rollers within a compact inner and outer ring. This design allows the bearings to withstand high radial, axial, and tilting moments, making them suitable for applications requiring high precision and load-bearing capabilities.

These bearings are widely used in industrial robots, CNC machine tools, medical devices, aerospace, and measuring instruments due to their ability to provide high rotational accuracy, rigidity, and compact design. The XRU I series simplifies equipment design by reducing the number of parts needed and ensuring the stability of equipment operation.

The XRU I series is not just another bearing option; it's a choice that reflects a commitment to high standards in precision and performance. With a variety of models available, these bearings cater to different installation spaces and load requirements, ensuring that you can find the perfect fit for your project.

High precision for equipment requiring exact positioning.
High rigidity to resist deformation under load.
Compact and lightweight for space-saving applications.

Key Technical Features of XRU I Series

STEP 1

High Rotational Accuracy

The cross arrangement of rollers in XRU I series bearings ensures extreme precision, making them ideal for equipment requiring exact positioning and movement.

STEP 2

Rigidity and Stability

The unique internal structure of XRU I series bearings provides high rigidity, effectively resisting deformation caused by external loads and ensuring stable equipment operation.

STEP 3

Compact and Lightweight Design

Compared to traditional bearings, the XRU I series has a smaller cross-section and lighter weight, aiding in the miniaturization and lightweight design of equipment.

STEP 4

Strong Load-Bearing Capacity

Capable of withstanding radial, axial, and tilting moments simultaneously, XRU I series bearings simplify design and reduce the number of parts required.