PXF040 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXF040 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF040XP0, SILVERTHIN SF040XP0. Key dimensional parameters include a 101.6 mm bore diameter, a 139.7 mm outer diameter, and a 19.05 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 KF040XP0, SILVERTHIN SF040XP0
Overview
Basic ModelPXF040
Weight0.862 kg
Dimensions
Bore Dia (d, mm)101.6 mm
Bore Dia (d, in)4 in
Outer Dia (D, mm)139.7 mm
Outer Dia (D, in)5.5 in
Width (B, mm)19.05 mm
Width (B, in)0.75 in
Load Ratings
Dynamic Load (Cr)20,751 kN
Static Load (Cor)23,842 kN
Dynamic Axial Load (Ca)30,381 kN
Static Axial Load (Coa)59,606 kN
Performance
Limit Speed (rpm)2,530 rpm
CAD Drawing and Dimensions for PXF040 PX 4-Point Contact Ball Bearing 19.05 mm 139.7 mm 101.6 mm PXF040

Frequently Asked Questions about PXF040 PX 4-Point Contact Ball Bearing

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

Every PXF040 batch undergoes 100% automated vibration and noise testing at the PRS Bearings factory. We guarantee compliance with Z1/V1 standards, with premium Z3/V3 options available for high-end electric motors.
The PXF040 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PXF040 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
PRS Bearings recommends storing the PXF040 in its original packaging in a clean, low-vibration warehouse. Maintaining a relative humidity below 60% and a stable room temperature ensures maximum shelf life.