Manufactured by PRS Bearings, the PRB075 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB075CP0, SILVERTHIN SB075CP0. Key dimensional parameters include a 190.5 mm bore diameter, a 206.375 mm outer diameter, and a 7.939 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.
PRB075 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB075CP0, SILVERTHIN SB075CP0 |
|---|---|
| Overview | |
| Basic Model | PRB075 |
| Weight | 0.24 kg |
| Dimensions | |
| Bore Dia (d, mm) | 190.5 mm |
| Bore Dia (d, in) | 7.5 in |
| Outer Dia (D, mm) | 206.375 mm |
| Outer Dia (D, in) | 8.125 in |
| Width (B, mm) | 7.939 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 5,227 kN |
| Static Load (Cor) | 14,101 kN |
| Performance | |
| Limit Speed (rpm) | 2,560 rpm |
7.939 mm 206.375 mm 190.5 mm PRB075 Frequently Asked Questions about PRB075 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PRS Bearings PRB075 is designed for rigid configurations. For optimal performance, strict alignment of the 190.5 mm bore is critical, though PRS Bearings engineers can provide self-aligning bearing alternatives if your equipment is prone to deflection.
Yes. As part of our B2B commitment, if a PRB075 experiences unexpected issues in the field, PRS Bearings engineers can perform detailed metallurgical and wear analysis to identify root causes and optimize your future setups.
The L10 life of the PRS Bearings PRB075 is calculated based on its 5,227 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.
To maximize the performance of the PRB075, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 190.5 mm bore. For the 206.375 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.