PXA030 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXA030 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA030XP0, SILVERTHIN SA030XP0. 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 KA030XP0, SILVERTHIN SA030XP0
Overview
Basic ModelPXA030
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)2,375 kN
Static Load (Cor)4,404 kN
Dynamic Axial Load (Ca)4,493 kN
Static Axial Load (Coa)6,539 kN
Performance
Limit Speed (rpm)3,690 rpm
CAD Drawing and Dimensions for PXA030 PX 4-Point Contact Ball Bearing 6.35 mm 88.9 mm 76.2 mm PXA030

Frequently Asked Questions about PXA030 PX 4-Point Contact Ball Bearing

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

Yes. As part of our B2B commitment, if a PXA030 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 is a leading OEM partner. We offer bulk B2B pricing for the PXA030, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
Engineered for heavy-duty endurance, the PRS Bearings PXA030 offers a dynamic load rating (Cr) of 2,375 and a static load rating (Cor) of 4,404. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
The standard PXA030 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 76.2 mm x 88.9 mm dimensions without warping.