PAF055 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAF055 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KF055AR0, SILVERTHIN SF055AR0. Key dimensional parameters include a 139.7 mm bore diameter, a 177.8 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 KF055AR0, SILVERTHIN SF055AR0
Overview
Basic ModelPAF055
Weight1.134 kg
Dimensions
Bore Dia (d, mm)139.7 mm
Bore Dia (d, in)5.5 in
Outer Dia (D, mm)177.8 mm
Outer Dia (D, in)7 in
Width (B, mm)19.05 mm
Width (B, in)0.75 in
Load Ratings
Dynamic Load (Cr)19,212 kN
Static Load (Cor)36,965 kN
Dynamic Axial Load (Ca)44,749 kN
Static Axial Load (Coa)106,668 kN
Performance
Limit Speed (rpm)3,200 rpm
CAD Drawing and Dimensions for PAF055 PA Angular Contact Ball Series PAF055 19.05 mm 177.8 mm 139.7 mm

Frequently Asked Questions about PAF055 PA Angular Contact Ball Series

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

Every PRS Bearings PAF055 is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 139.7 mm bore and 177.8 mm outer surfaces remain pristine during overseas transit.
Yes. As part of our B2B commitment, if a PAF055 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.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PAF055 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PAF055, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.