PAB025 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAB025 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KB025AR0, SILVERTHIN SB025AR0. Key dimensional parameters include a 63.5 mm bore diameter, a 79.375 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 KB025AR0, SILVERTHIN SB025AR0
Overview
Basic ModelPAB025
Weight0.091 kg
Dimensions
Bore Dia (d, mm)63.5 mm
Bore Dia (d, in)2.5 in
Outer Dia (D, mm)79.375 mm
Outer Dia (D, in)3.125 in
Width (B, mm)7.938 mm
Width (B, in)0.3125 in
Load Ratings
Dynamic Load (Cr)3,003 kN
Static Load (Cor)5,961 kN
Dynamic Axial Load (Ca)7,073 kN
Static Axial Load (Coa)17,170 kN
Performance
Limit Speed (rpm)7,110 rpm
CAD Drawing and Dimensions for PAB025 PA Angular Contact Ball Series PAB025 7.938 mm 79.375 mm 63.5 mm

Frequently Asked Questions about PAB025 PA Angular Contact Ball Series

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

Yes. As part of our B2B commitment, if a PAB025 experiences unexpected issues in the field, PRS Bearings engineers can perform detailed metallurgical and wear analysis to identify root causes and optimize your future setups.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PAB025 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
Yes. Through optimized internal geometry and precision honing, PRS Bearings minimizes the rolling friction of the PAB025. This lowers operating temperatures and power consumption, particularly when running near its 7,110 RPM threshold.
Under optimal lubrication conditions, the PRS Bearings PAB025 can reach a limiting speed of 7,110 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.