Manufactured by PRS Bearings, the PRB090 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB090CP0, SILVERTHIN SB090CP0. Key dimensional parameters include a 228.6 mm bore diameter, a 244.475 mm outer diameter, and a 7.938 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.
PRB090 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB090CP0, SILVERTHIN SB090CP0 |
|---|---|
| Overview | |
| Basic Model | PRB090 |
| Weight | 0.299 kg |
| Dimensions | |
| Bore Dia (d, mm) | 228.6 mm |
| Bore Dia (d, in) | 9 in |
| Outer Dia (D, mm) | 244.475 mm |
| Outer Dia (D, in) | 9.625 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 5,800 kN |
| Static Load (Cor) | 16,814 kN |
| Performance | |
| Limit Speed (rpm) | 2,150 rpm |
7.938 mm 244.475 mm 228.6 mm PRB090 Frequently Asked Questions about PRB090 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Certainly. While the standard PRB090 is pre-filled with high-grade industrial lubricant, PRS Bearings can provide custom fills, including food-grade (NSF H1), high-temperature, or extreme-pressure greases tailored to your operational needs.
The PRS Bearings PRB090 features precision-machined corner chamfers designed to facilitate easier mounting. These ISO-standard chamfers ensure that the PR Radial Contact Ball Bearing fits snugly against shaft shoulders, preventing stress concentration at the 228.6 mm bore interface.
The standard PRS Bearings PRB090 is designed for rigid configurations. For optimal performance, strict alignment of the 228.6 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 PRB090 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.