Manufactured by PRS Bearings, the PRF250 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF250CP0, SILVERTHIN SF250CP0. 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.
PRF250 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KF250CP0, SILVERTHIN SF250CP0 |
|---|---|
| Overview | |
| Basic Model | PRF250 |
| 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) | 39,869 kN |
| Static Load (Cor) | 129,265 kN |
| Performance | |
| Limit Speed (rpm) | 780 rpm |
19.05 mm 673.1 mm 635 mm PRF250 Frequently Asked Questions about PRF250 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PRF250 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
The PRF250 is manufactured by PRS Bearings using premium-grade bearing steel that undergoes rigorous quality control processes. The company adheres to international standards including ISO 9001 and IATF 16949, ensuring consistent material purity and structural integrity across all production batches.
Yes. Through optimized internal geometry and precision honing, PRS Bearings minimizes the rolling friction of the PRF250. This lowers operating temperatures and power consumption, particularly when running near its 780 RPM threshold.
PRS Bearings provides the PRF250 with various cage options including high-strength pressed steel, machined brass for high-vibration tasks, or reinforced polymers for the quietest operation in precision machinery.