XRB 2508 - XRB Crossed Roller Bearings

Manufactured by PRS Bearings, the XRB 2508 is a precision XRB Crossed Roller Bearings. You may consider it as an interchangeable alternative and replacement for THK RB2508, NSK NRXT2508. Key dimensional parameters include a 25 mm bore diameter, a 41 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 RB2508, NSK NRXT2508
Overview
Basic ModelXRB 2508
Weight0.05 kg
Dimensions
Bore Dia (d, mm)25 mm
Outer Dia (D, mm)41 mm
Width (B, mm)8 mm
Roller Pitch Dia (Dpw)32 mm
Load Ratings
Dynamic Load (Cr)3.63 kN
Static Load (Cor)3.83 kN
Performance
Double Seal (ds)28.5 mm
Double High-Performance Seal (Dh)35.5 mm
CAD Drawing and Dimensions for XRB 2508 XRB Crossed Roller Bearings 25 mm 8 mm 28.5 mm 35.5 mm XRB 2508

Frequently Asked Questions about XRB 2508 XRB Crossed Roller Bearings

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

Yes, while the standard PRS Bearings XRB 2508 meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.
Absolutely. The PRS Bearings XRB 2508 is a drop-in replacement for international models like THK RB2508, NSK NRXT2508. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
The L10 life of the PRS Bearings XRB 2508 is calculated based on its 3.63 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 XRB 2508 is manufactured by PRS Bearings using premium-grade bearing steel that undergoes rigorous quality control processes. The company adheres to international standards including ISO 9001 and IATF 16949, ensuring consistent material purity and structural integrity across all production batches.