PXF045 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXF045 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF045XP0, SILVERTHIN SF045XP0. Key dimensional parameters include a 114.3 mm bore diameter, a 152.4 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 KF045XP0, SILVERTHIN SF045XP0
Overview
Basic ModelPXF045
Weight0.953 kg
Dimensions
Bore Dia (d, mm)114.3 mm
Bore Dia (d, in)4.5 in
Outer Dia (D, mm)152.4 mm
Outer Dia (D, in)6 in
Width (B, mm)19.05 mm
Width (B, in)0.75 in
Load Ratings
Dynamic Load (Cr)21,899 kN
Static Load (Cor)26,378 kN
Dynamic Axial Load (Ca)32,472 kN
Static Axial Load (Coa)65,878 kN
Performance
Limit Speed (rpm)2,290 rpm
CAD Drawing and Dimensions for PXF045 PX 4-Point Contact Ball Bearing 19.05 mm 152.4 mm 114.3 mm PXF045

Frequently Asked Questions about PXF045 PX 4-Point Contact Ball Bearing

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

Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PXF045, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
Depending on your thermal and fit requirements, PRS Bearings supplies the PXF045 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
Under optimal lubrication conditions, the PRS Bearings PXF045 can reach a limiting speed of 2,290 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.
The PXF045 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 114.3 mm, an outer diameter of 152.4 mm, and a width of 19.05 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 19.1 mm and a balanced D/d ratio of 1.33 for high-precision housing fits.