PAA030 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAA030 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KA030AR0, SILVERTHIN SA030AR0. Key dimensional parameters include a 76.2 mm bore diameter, a 88.9 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 KA030AR0, SILVERTHIN SA030AR0
Overview
Basic ModelPAA030
Weight0.068 kg
Dimensions
Bore Dia (d, mm)76.2 mm
Bore Dia (d, in)3 in
Outer Dia (D, mm)88.9 mm
Outer Dia (D, in)3.5 in
Width (B, mm)6.35 mm
Width (B, in)0.25 in
Load Ratings
Dynamic Load (Cr)2,255 kN
Static Load (Cor)5,071 kN
Dynamic Axial Load (Ca)5,471 kN
Static Axial Load (Coa)14,635 kN
Performance
Limit Speed (rpm)6,150 rpm
CAD Drawing and Dimensions for PAA030 PA Angular Contact Ball Series PAA030 6.35 mm 88.9 mm 76.2 mm

Frequently Asked Questions about PAA030 PA Angular Contact Ball Series

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

Certainly. While the standard PAA030 is pre-filled with high-grade industrial lubricant, PRS Bearings can provide custom fills, including food-grade (NSF H1), high-temperature, or extreme-pressure greases tailored to your operational needs.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PAA030 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
The PAA030 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 76.2 mm, an outer diameter of 88.9 mm, and a width of 6.35 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 6.4 mm and a balanced D/d ratio of 1.17 for high-precision housing fits.
Yes, while the standard PRS Bearings PAA030 meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.