PXF400 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXF400 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF400XP0, SILVERTHIN SF400XP0. Key dimensional parameters include a 1016 mm bore diameter, a 1054.1 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 KF400XP0, SILVERTHIN SF400XP0
Overview
Basic ModelPXF400
Weight7.802 kg
Dimensions
Bore Dia (d, mm)1016 mm
Bore Dia (d, in)40 in
Outer Dia (D, mm)1054.1 mm
Outer Dia (D, in)41.5 in
Width (B, mm)19.05 mm
Width (B, in)0.75 in
Load Ratings
Dynamic Load (Cr)66,875 kN
Static Load (Cor)204,574 kN
Dynamic Axial Load (Ca)127,308 kN
Static Axial Load (Coa)511,546 kN
Performance
Limit Speed (rpm)290 rpm
CAD Drawing and Dimensions for PXF400 PX 4-Point Contact Ball Bearing 19.05 mm 1054.1 mm 1016 mm PXF400

Frequently Asked Questions about PXF400 PX 4-Point Contact Ball Bearing

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

To maximize the performance of the PXF400, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 1016 mm bore. For the 1054.1 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
The L10 life of the PRS Bearings PXF400 is calculated based on its 66,875 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.
Thanks to its robust 66,875 dynamic load capacity, the PRS Bearings PXF400 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PXF400 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.