Manufactured by PRS Bearings, the PXF250 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF250XP0, SILVERTHIN SF250XP0. Key dimensional parameters include a 635 mm bore diameter, a 673.1 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.
PXF250 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KF250XP0, SILVERTHIN SF250XP0 |
|---|---|
| Overview | |
| Basic Model | PXF250 |
| Weight | 4.944 kg |
| Dimensions | |
| Bore Dia (d, mm) | 635 mm |
| Bore Dia (d, in) | 25 in |
| Outer Dia (D, mm) | 673.1 mm |
| Outer Dia (D, in) | 26.5 in |
| Width (B, mm) | 19.05 mm |
| Width (B, in) | 0.75 in |
| Load Ratings | |
| Dynamic Load (Cr) | 52,974 kN |
| Static Load (Cor) | 129 265 kN |
| Dynamic Axial Load (Ca) | 93,724 kN |
| Static Axial Load (Coa) | 323,163 kN |
| Performance | |
| Limit Speed (rpm) | 470 rpm |
19.05 mm 673.1 mm 635 mm PXF250 Frequently Asked Questions about PXF250 PX 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every PXF250 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.
Depending on your thermal and fit requirements, PRS Bearings supplies the PXF250 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PXF250 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
PRS Bearings provides a comprehensive B2B warranty for the PXF250 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PX 4-Point Contact Ball Bearing operates optimally within your specific machinery.