What are the key factors to consider when selecting an XRU II series bearing?

When selecting an XRU II series bearing, consider the load type and size, accuracy requirements, operating speed, and environmental conditions. Each model has specific mounting dimensions and load ratings, which should align with your equipment's specifications to ensure optimal performance.

How do XRU II series bearings contribute to precision equipment design?

XRU II series bearings contribute to precision equipment design by offering a compact, high-precision solution that can support multi-directional loads. Their unique internal structure allows for a single bearing to replace multiple bearings in traditional designs, simplifying the overall design and reducing space requirements.

XRU II Series Crossed Roller Slewing Bearings

High Precision and Compact Design for Precision Rotary Applications

The XRU II series crossed roller slewing bearings are engineered for high precision, rigidity, and load capacity. These bearings are designed with a unique structure that allows them to support radial, axial, and tilting moments in a single unit, making them ideal for applications where space is at a premium and performance is critical.

Mounting Dimensions

Varies by model, see detailed specifications

Accuracy Class

P2, P4, and higher

Operating Speed

Depends on model and application

Material

High-grade steel for precision and durability

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)
XRU05.0077	mm	mm	mm
XRU06.0094	mm	mm	mm
XRU06.0111	mm	mm	mm
XRU08.0120	mm	mm	mm
XRU08.0149	mm	mm	mm

Why Choose XRU II Series for Precision Rotary Applications?

The XRU II series crossed roller slewing bearings are distinguished by their 90° V-groove arrangement and spacer blocks between rollers, enabling them to support multi-directional loads efficiently. This design simplifies equipment design and reduces space requirements, which is particularly beneficial in precision equipment where compactness and high performance are paramount.

These bearings are used extensively in medical equipment like CT machines and operating tables, where stability and reliability are crucial. They are also found in radar antennas and satellite communication equipment, where they must withstand external loads such as wind. The XRU II series ensures the accuracy of measurement results in precision measuring instruments.

The selection of XRU II series bearings should consider load type and size, accuracy requirements, operating speed, and environmental conditions. The series supports various mounting methods, making it adaptable to different equipment structures.

Extreme Rotational Accuracy and Rigidity, ensuring smooth and precise operation in high-precision applications.
Powerful Load Carrying Capability, withstanding huge combined loads in a compact volume.
Simplified Design and Space Saving, reducing the overall weight and mounting space required for equipment.

Key Technical Features and Quantifiable Benefits

STEP 1

Extreme Rotational Accuracy

The XRU II series provides extreme rotational accuracy due to its cross roller arrangement and preloaded design, essential for applications requiring precise angular positioning.

STEP 2

High Load Carrying Capacity

The compact design of the XRU II series allows it to handle significant combined loads, making it suitable for use in medical equipment and communication devices.

STEP 3

Space-Efficient Design

By replacing two separate bearings with a single unit, the XRU II series simplifies equipment design, reduces mounting space, and lowers overall weight, ideal for modern equipment追求 miniaturization.

STEP 4