XRA 12008 - Ultra Thin XRA Crossed Roller Bearings

Manufactured by PRS Bearings, the XRA 12008 is a precision Ultra Thin XRA Crossed Roller Bearings. You may consider it as an interchangeable alternative and replacement for THK RA12008. Key dimensional parameters include a 120 mm bore diameter, a 136 mm outer diameter, and a 8 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 RA12008
Overview
Basic ModelXRA 12008
Weight0.17 kg
Dimensions
Bore Dia (d, mm)120 mm
Outer Dia (D, mm)136 mm
Width (B, mm)8 mm
Roller Pitch Dia (Dpw)127 mm
Load Ratings
Dynamic Load (Cr)7.84 kN
Static Load (Cor)16.5 kN
Performance
Double Seal (ds)123.5 mm
Double High-Performance Seal (Dh)130.5 mm
CAD Drawing and Dimensions for XRA 12008 Ultra Thin XRA Crossed Roller Bearings XRA 12008 120 mm 136 mm 8 mm 123.5 mm 130.5 mm

Frequently Asked Questions about XRA 12008 Ultra Thin XRA Crossed Roller Bearings

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

Certainly. While the standard XRA 12008 is pre-filled with high-grade industrial lubricant, PRS Bearings can provide custom fills, including food-grade (NSF H1), high-temperature, or extreme-pressure greases tailored to your operational needs.
The XRA 12008 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.
Absolutely. The PRS Bearings XRA 12008 is a drop-in replacement for international models like THK RA12008. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the XRA 12008 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.