What are the key parameters to consider when selecting XRE crossed roller bearings?

When selecting XRE crossed roller bearings, consider the inner and outer diameters to match your equipment design, the precision grade based on your application's requirements (P5, P4, P2, etc.), and the load capacity based on your equipment's radial, axial, and overturning moment loads. These parameters are crucial for ensuring the bearing's compatibility and performance in your specific application.

XRE Crossed Roller Bearings

XRE Series - High Precision and Compact Design

The XRE series crossed roller bearings are engineered for precision, load capacity, and compactness, ideal for applications in robotics, high-precision CNC machines, medical equipment, and precision instruments.

Internal Diameter

20mm to 405mm

Outside Diameter

36mm to 377mm

Basic Dynamic Load Rating

kN (varies by model)

Weight

Kg (varies by model)

Send E-mail Request A Quote

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)
XRE10016	100 mm	140 mm	16 mm
XRE10020	100 mm	150 mm	20 mm
XRE11012	110 mm	135 mm	12 mm
XRE12016	120 mm	150 mm	16 mm
XRE12025	120 mm	180 mm	25 mm

Why Choose XRE Crossed Roller Bearings for Precision Applications?

The XRE series crossed roller bearings are designed to meet the demands of high-precision applications. With a unique arrangement of cylindrical rollers in a 90-degree V-shape, these bearings offer ultra-high rigidity and load capacity, capable of withstanding radial, axial, and overturning moments. This design is several times more rigid than conventional bearings, ensuring stable and accurate equipment operation.

These bearings are not only high-performing but also space-efficient, simplifying the structure and saving installation space compared to traditional bearing combinations. The integrated design also simplifies installation, reducing assembly time and costs, and preventing precision loss due to improper installation.

XRE series bearings are widely used in industrial robots, CNC machine tools, medical equipment, aerospace, and other precision equipment, providing a solid foundation for precise motion and high repeatability.

Ultra-High Rigidity and Load Capacity
Ultimate Rotational Accuracy
Compact Design, Space Savings

Technical Features and Quantifiable Benefits

STEP 1

Ultra-High Rigidity and Load Capacity

The XRE series' unique line-of-contact design allows a single bearing to handle multiple directional loads, providing several times the rigidity of conventional bearings, which is crucial for suppressing vibration-induced errors in precision machinery.

STEP 2

Ultimate Rotational Accuracy

XRE bearings offer exceptionally high rotational accuracy due to strictly controlled roller diameter and raceway tolerances, making them suitable for applications requiring submicron positioning精度.

STEP 3

Compact Design, Space Savings

Compared to traditional bearing combinations, the XRE bearing's single-piece design saves valuable installation space, simplifies the installation process, and reduces the overall size and weight of the equipment.

STEP 4

Simplify Installation and Reduce Costs

The integrated design of XRE bearings eliminates complex preload adjustments and allows for simple bolt-on installation, significantly reducing assembly time and labor costs, while also preventing precision loss due to improper installation.