PAB045 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAB045 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KB045AR0, SILVERTHIN SB045AR0. Key dimensional parameters include a 114.3 mm bore diameter, a 130.175 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 KB045AR0, SILVERTHIN SB045AR0
Overview
Basic ModelPAB045
Weight0.15 kg
Dimensions
Bore Dia (d, mm)114.3 mm
Bore Dia (d, in)4.5 in
Outer Dia (D, mm)130.175 mm
Outer Dia (D, in)5.125 in
Width (B, mm)7.938 mm
Width (B, in)0.3125 in
Load Ratings
Dynamic Load (Cr)4,079 kN
Static Load (Cor)10,008 kN
Dynamic Axial Load (Ca)9,964 kN
Static Axial Load (Coa)28,913 kN
Performance
Limit Speed (rpm)4,160 rpm
CAD Drawing and Dimensions for PAB045 PA Angular Contact Ball Series PAB045 7.938 mm 130.175 mm 114.3 mm

Frequently Asked Questions about PAB045 PA Angular Contact Ball Series

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

The PAB045 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 PAB045 is a drop-in replacement for international models like KAYDON KB045AR0, SILVERTHIN SB045AR0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
Certainly. While the standard PAB045 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.
Yes. As part of our B2B commitment, if a PAB045 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.