PXA042 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXA042 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA042XP0, SILVERTHIN SA042XP0. Key dimensional parameters include a 107.95 mm bore diameter, a 120.65 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 KA042XP0, SILVERTHIN SA042XP0
Overview
Basic ModelPXA042
Weight0.091 kg
Dimensions
Bore Dia (d, mm)107.95 mm
Bore Dia (d, in)4.25 in
Outer Dia (D, mm)120.65 mm
Outer Dia (D, in)4.75 in
Width (B, mm)6.35 mm
Width (B, in)0.25 in
Load Ratings
Dynamic Load (Cr)3,483 kN
Static Load (Cor)6,094 kN
Dynamic Axial Load (Ca)5,605 kN
Static Axial Load (Coa)15,168 kN
Performance
Limit Speed (rpm)2,670 rpm
CAD Drawing and Dimensions for PXA042 PX 4-Point Contact Ball Bearing 6.35 mm 120.65 mm 107.95 mm PXA042

Frequently Asked Questions about PXA042 PX 4-Point Contact Ball Bearing

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

Yes, while the standard PRS Bearings PXA042 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.
Depending on your thermal and fit requirements, PRS Bearings supplies the PXA042 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
Thanks to its robust 3,483 dynamic load capacity, the PRS Bearings PXA042 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
The L10 life of the PRS Bearings PXA042 is calculated based on its 3,483 dynamic capacity and your specific application loads. By maintaining clean operating conditions and using PRS Bearings's recommended lubrication, users can expect significantly extended service intervals.