PAF040 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAF040 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KF040AR0, SILVERTHIN SF040AR0. Key dimensional parameters include a 101.6 mm bore diameter, a 139.7 mm outer diameter, and a 19.05 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 KF040AR0, SILVERTHIN SF040AR0
Overview
Basic ModelPAF040
Weight0.862 kg
Dimensions
Bore Dia (d, mm)101.6 mm
Bore Dia (d, in)4 in
Outer Dia (D, mm)139.7 mm
Outer Dia (D, in)5.5 in
Width (B, mm)19.05 mm
Width (B, in)0.75 in
Load Ratings
Dynamic Load (Cr)16,619 kN
Static Load (Cor)28,246 kN
Dynamic Axial Load (Ca)37454 kN
Static Axial Load (Coa)81,580 kN
Performance
Limit Speed (rpm)4,210 rpm
CAD Drawing and Dimensions for PAF040 PA Angular Contact Ball Series PAF040 19.05 mm 139.7 mm 101.6 mm

Frequently Asked Questions about PAF040 PA Angular Contact Ball Series

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

Absolutely. The PRS Bearings PAF040 is a drop-in replacement for international models like KAYDON KF040AR0, SILVERTHIN SF040AR0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
Engineered for heavy-duty endurance, the PRS Bearings PAF040 offers a dynamic load rating (Cr) of 16,619 and a static load rating (Cor) of 28,246. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
The PAF040 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 101.6 mm, an outer diameter of 139.7 mm, and a width of 19.05 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 19.0 mm and a balanced D/d ratio of 1.38 for high-precision housing fits.
PRS Bearings provides a comprehensive B2B warranty for the PAF040 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PA Angular Contact Ball Series operates optimally within your specific machinery.