Manufactured by PRS Bearings, the PRF140 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF140CP0, SILVERTHIN SF140CP0. Key dimensional parameters include a 355.6 mm bore diameter, a 393.7 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.
PRF140 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KF140CP0, SILVERTHIN SF140CP0 |
|---|---|
| Overview | |
| Basic Model | PRF140 |
| Weight | 2.722 kg |
| Dimensions | |
| Bore Dia (d, mm) | 355.6 mm |
| Bore Dia (d, in) | 14 in |
| Outer Dia (D, mm) | 393.7 mm |
| Outer Dia (D, in) | 15.5 in |
| Width (B, mm) | 19.05 mm |
| Width (B, in) | 0.75 in |
| Load Ratings | |
| Dynamic Load (Cr) | 29.447 kN |
| Static Load (Cor) | 74,063 kN |
| Performance | |
| Limit Speed (rpm) | 1,360 rpm |
19.05 mm 393.7 mm 355.6 mm PRF140 Frequently Asked Questions about PRF140 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The PRF140 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.
Engineered for heavy-duty endurance, the PRS Bearings PRF140 offers a dynamic load rating (Cr) of 29.447 and a static load rating (Cor) of 74,063. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
Every PRF140 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.
Under optimal lubrication conditions, the PRS Bearings PRF140 can reach a limiting speed of 1,360 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.