Manufactured by PRS Bearings, the PRF042 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF042CP0, SILVERTHIN SF042CP0. Key dimensional parameters include a 107.95 mm bore diameter, a 146.05 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.
PRF042 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KF042CP0, SILVERTHIN SF042CP0 |
|---|---|
| Overview | |
| Basic Model | PRF042 |
| Weight | 0.907 kg |
| Dimensions | |
| Bore Dia (d, mm) | 107.95 mm |
| Bore Dia (d, in) | 4.25 in |
| Outer Dia (D, mm) | 146.05 mm |
| Outer Dia (D, in) | 5.75 in |
| Width (B, mm) | 19.05 mm |
| Width (B, in) | 0.75 in |
| Load Ratings | |
| Dynamic Load (Cr) | 16,258 kN |
| Static Load (Cor) | 25,088 kN |
| Performance | |
| Limit Speed (rpm) | 4,000 rpm |
19.05 mm 146.05 mm 107.95 mm PRF042 Frequently Asked Questions about PRF042 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The PRS Bearings PRF042 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 107.95 mm bore interface.
Certainly. While the standard PRF042 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.
PRS Bearings provides a comprehensive B2B warranty for the PRF042 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PR Radial Contact Ball Bearing operates optimally within your specific machinery.
To maximize the performance of the PRF042, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 107.95 mm bore. For the 146.05 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.