PAD055 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAD055 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KD055AR0, SILVERTHIN SD055AR0. Key dimensional parameters include a 139.7 mm bore diameter, a 165.1 mm outer diameter, and a 12.7 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 KD055AR0, SILVERTHIN SD055AR0
Overview
Basic ModelPAD055
Weight0.481 kg
Dimensions
Bore Dia (d, mm)139.7 mm
Bore Dia (d, in)5.5 in
Outer Dia (D, mm)165.1 mm
Outer Dia (D, in)6.5 in
Width (B, mm)12.7 mm
Width (B, in)0.5 in
Load Ratings
Dynamic Load (Cr)9,541 kN
Static Load (Cor)21,085 kN
Dynamic Axial Load (Ca)22,953 kN
Static Axial Load (Coa)60,852 kN
Performance
Limit Speed (rpm)3,330 rpm
CAD Drawing and Dimensions for PAD055 PA Angular Contact Ball Series PAD055 12.7 mm 165.1 mm 139.7 mm

Frequently Asked Questions about PAD055 PA Angular Contact Ball Series

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

The PAD055 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 139.7 mm, an outer diameter of 165.1 mm, and a width of 12.7 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 12.7 mm and a balanced D/d ratio of 1.18 for high-precision housing fits.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PAD055 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
Engineered for heavy-duty endurance, the PRS Bearings PAD055 offers a dynamic load rating (Cr) of 9,541 and a static load rating (Cor) of 21,085. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
Thanks to its robust 9,541 dynamic load capacity, the PRS Bearings PAD055 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.