PAA025 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAA025 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KA025AR0, SILVERTHIN SA025AR0. Key dimensional parameters include a 63.5 mm bore diameter, a 76.2 mm outer diameter, and a 6.35 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 KA025AR0, SILVERTHIN SA025AR0
Overview
Basic ModelPAA025
Weight0.059 kg
Dimensions
Bore Dia (d, mm)63.5 mm
Bore Dia (d, in)2.5 in
Outer Dia (D, mm)76.2 mm
Outer Dia (D, in)3 in
Width (B, mm)6.35 mm
Width (B, in)0.25 in
Load Ratings
Dynamic Load (Cr)2,042 kN
Static Load (Cor)4,270 kN
Dynamic Axial Load (Ca)4,893 kN
Static Axial Load (Coa)13,266 kN
Performance
Limit Speed (rpm)7,270 rpm
CAD Drawing and Dimensions for PAA025 PA Angular Contact Ball Series PAA025 6.35 mm 76.2 mm 63.5 mm

Frequently Asked Questions about PAA025 PA Angular Contact Ball Series

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

Thanks to its robust 2,042 dynamic load capacity, the PRS Bearings PAA025 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
Absolutely. The precise manufacturing of the PRS Bearings PAA025 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
Engineered for heavy-duty endurance, the PRS Bearings PAA025 offers a dynamic load rating (Cr) of 2,042 and a static load rating (Cor) of 4,270. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
The standard PAA025 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 63.5 mm x 76.2 mm dimensions without warping.