PRB065 - PR Radial Contact Ball Bearing

Manufactured by PRS Bearings, the PRB065 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB065CP0, SILVERTHIN SB065CP0. Key dimensional parameters include a 165.1 mm bore diameter, a 180.975 mm outer diameter, and a 7.938 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 InterchangeKAYDON KB065CP0, SILVERTHIN SB065CP0
Overview
Basic ModelPRB065
Weight0.213 kg
Dimensions
Bore Dia (d, mm)165.1 mm
Bore Dia (d, in)6.5 in
Outer Dia (D, mm)180.975 mm
Outer Dia (D, in)7.125 in
Width (B, mm)7.938 mm
Width (B, in)0.3125 in
Load Ratings
Dynamic Load (Cr)4,813 kN
Static Load (Cor)12,277 kN
Performance
Limit Speed (rpm)2,940 rpm
CAD Drawing and Dimensions for PRB065 PR Radial Contact Ball Bearing 7.938 mm 180.975 mm 165.1 mm PRB065

Frequently Asked Questions about PRB065 PR Radial Contact Ball Bearing

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

Absolutely. The precise manufacturing of the PRS Bearings PRB065 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
The PRB065 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.
To maximize the performance of the PRB065, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 165.1 mm bore. For the 180.975 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
The L10 life of the PRS Bearings PRB065 is calculated based on its 4,813 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.