Manufactured by PRS Bearings, the PRF300 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF300CP0, SILVERTHIN SF300CP0. Key dimensional parameters include a 762 mm bore diameter, a 800.1 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.
PRF300 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KF300CP0, SILVERTHIN SF300CP0 |
|---|---|
| Overview | |
| Basic Model | PRF300 |
| Weight | 5.897 kg |
| Dimensions | |
| Bore Dia (d, mm) | 762 mm |
| Bore Dia (d, in) | 30 in |
| Outer Dia (D, mm) | 800.1 mm |
| Outer Dia (D, in) | 31.5 in |
| Width (B, mm) | 19.05 mm |
| Width (B, in) | 0.75 in |
| Load Ratings | |
| Dynamic Load (Cr) | 43,717 kN |
| Static Load (Cor) | 154,353 kN |
| Performance | |
| Limit Speed (rpm) | 650 rpm |
19.05 mm 800.1 mm 762 mm PRF300 Frequently Asked Questions about PRF300 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, while the standard PRS Bearings PRF300 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.
The PRF300 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.
Every PRF300 batch undergoes 100% automated vibration and noise testing at the PRS Bearings factory. We guarantee compliance with Z1/V1 standards, with premium Z3/V3 options available for high-end electric motors.
Every PRS Bearings PRF300 is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 762 mm bore and 800.1 mm outer surfaces remain pristine during overseas transit.