Manufactured by PRS Bearings, the PRG250 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KG250CP0, SILVERTHIN SG250CP0. Key dimensional parameters include a 635 mm bore diameter, a 685.8 mm outer diameter, and a 15.4 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.
PRG250 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KG250CP0, SILVERTHIN SG250CP0 |
|---|---|
| Overview | |
| Basic Model | PRG250 |
| Weight | 8.845 kg |
| Dimensions | |
| Bore Dia (d, mm) | 635 mm |
| Bore Dia (d, in) | 25 in |
| Outer Dia (D, mm) | 685.8 mm |
| Outer Dia (D, in) | 27 in |
| Width (B, mm) | 15.4 mm |
| Width (B, in) | 1 in |
| Load Ratings | |
| Dynamic Load (Cr) | 64,904 kN |
| Static Load (Cor) | 189,850 kN |
| Performance | |
| Limit Speed (rpm) | 770 rpm |
15.4 mm 685.8 mm 635 mm PRG250 Frequently Asked Questions about PRG250 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
PRS Bearings recommends storing the PRG250 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.
To maximize the performance of the PRG250, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 635 mm bore. For the 685.8 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
Every PRS Bearings PRG250 is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 635 mm bore and 685.8 mm outer surfaces remain pristine during overseas transit.
PRS Bearings provides a comprehensive B2B warranty for the PRG250 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PR Radial Contact Ball Bearing operates optimally within your specific machinery.