PAC055 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAC055 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KC055AR0, SILVERTHIN SC055AR0. Key dimensional parameters include a 139.7 mm bore diameter, a 158.75 mm outer diameter, and a 9.525 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 KC055AR0, SILVERTHIN SC055AR0
Overview
Basic ModelPAC055
Weight0.268 kg
Dimensions
Bore Dia (d, mm)139.7 mm
Bore Dia (d, in)5.5 in
Outer Dia (D, mm)158.75 mm
Outer Dia (D, in)6.25 in
Width (B, mm)9.525 mm
Width (B, in)0.375 in
Load Ratings
Dynamic Load (Cr)6,112 kN
Static Load (Cor)15,302 kN
Dynamic Axial Load (Ca)14,991 kN
Static Axial Load (Coa)44,126 kN
Performance
Limit Speed (rpm)3,400 rpm
CAD Drawing and Dimensions for PAC055 PA Angular Contact Ball Series PAC055 9.525 mm 158.75 mm 139.7 mm

Frequently Asked Questions about PAC055 PA Angular Contact Ball Series

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

The standard PAC055 from PRS Bearings is heat-stabilized for temperatures up to 120°C. For extreme heat applications, PRS Bearings offers custom S1 or S2 stabilization treatments to ensure the component maintains its 139.7 mm x 158.75 mm dimensions without warping.
Absolutely. The precise manufacturing of the PRS Bearings PAC055 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PAC055 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PAC055 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.