Manufactured by PRS Bearings, the PRB025 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB025CP0, SILVERTHIN SB025CP0. Key dimensional parameters include a 63.5 mm bore diameter, a 79.375 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.
PRB025 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB025CP0, SILVERTHIN SB025CP0 |
|---|---|
| Overview | |
| Basic Model | PRB025 |
| Weight | 0.091 kg |
| Dimensions | |
| Bore Dia (d, mm) | 63.5 mm |
| Bore Dia (d, in) | 2.5 in |
| Outer Dia (D, mm) | 79.375 mm |
| Outer Dia (D, in) | 3.125 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 2,865 kN |
| Static Load (Cor) | 5,071 kN |
| Performance | |
| Limit Speed (rpm) | 7,110 rpm |
7.938 mm 79.375 mm 63.5 mm PRB025 Frequently Asked Questions about PRB025 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, while the standard PRS Bearings PRB025 meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.
Absolutely. The PRS Bearings PRB025 is a drop-in replacement for international models like KAYDON KB025CP0, SILVERTHIN SB025CP0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
Engineered for heavy-duty endurance, the PRS Bearings PRB025 offers a dynamic load rating (Cr) of 2,865 and a static load rating (Cor) of 5,071. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
The PRB025 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.