XRBT405 - Ultra Thin XRA-C Crossed Roller Bearings

Manufactured by PRS Bearings, the XRBT405 is a precision Ultra Thin XRA-C Crossed Roller Bearings. You may consider it as an interchangeable alternative and replacement for THK RAU4005. Key dimensional parameters include a 40 mm bore diameter, a 51 mm outer diameter, and a 5 mm overall width. With matching boundary dimensions, this component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Direct InterchangeTHK RAU4005
Overview
Basic ModelXRBT405
Weight0.026 kg
Dimensions
Bore Dia (d, mm)40 mm
Outer Dia (D, mm)51 mm
Width (B, mm)5 mm
Roller Pitch Dia (Dpw)45.5 mm
Load Ratings
Dynamic Load (Cr)2 kN
Static Load (Cor)2.52 kN
Performance
Double Seal (ds)42.5 mm
Double High-Performance Seal (Dh)47 mm
CAD Drawing and Dimensions for XRBT405 Ultra Thin XRA-C Crossed Roller Bearings XRBT405 40 mm 51 mm 5 mm 42.5 mm 47 mm

Frequently Asked Questions about XRBT405 Ultra Thin XRA-C Crossed Roller Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

The standard XRBT405 from PRS Bearings is heat-stabilized for temperatures up to 120°C. For extreme heat applications, PRS Bearings offers custom S1 or S2 stabilization treatments to ensure the component maintains its 40 mm x 51 mm dimensions without warping.
Every XRBT405 batch undergoes 100% automated vibration and noise testing at the PRS Bearings factory. We guarantee compliance with Z1/V1 standards, with premium Z3/V3 options available for high-end electric motors.
The L10 life of the PRS Bearings XRBT405 is calculated based on its 2 dynamic capacity and your specific application loads. By maintaining clean operating conditions and using PRS Bearings's recommended lubrication, users can expect significantly extended service intervals.
The XRBT405 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 40 mm, an outer diameter of 51 mm, and a width of 5 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 5.5 mm and a balanced D/d ratio of 1.27 for high-precision housing fits.