Manufactured by PRS Bearings, the PRF040 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF040CP0, SILVERTHIN SF040CP0. Key dimensional parameters include a 101.6 mm bore diameter, a 139.7 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.
PRF040 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KF040CP0, SILVERTHIN SF040CP0 |
|---|---|
| Overview | |
| Basic Model | PRF040 |
| Weight | 0.862 kg |
| Dimensions | |
| Bore Dia (d, mm) | 101.6 mm |
| Bore Dia (d, in) | 4 in |
| Outer Dia (D, mm) | 139.7 mm |
| Outer Dia (D, in) | 5.5 in |
| Width (B, mm) | 19.05 mm |
| Width (B, in) | 0.75 in |
| Load Ratings | |
| Dynamic Load (Cr) | 15,831 kN |
| Static Load (Cor) | 23,842 kN |
| Performance | |
| Limit Speed (rpm) | 4,210 rpm |
19.05 mm 139.7 mm 101.6 mm PRF040 Frequently Asked Questions about PRF040 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes. As part of our B2B commitment, if a PRF040 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.
Depending on your thermal and fit requirements, PRS Bearings supplies the PRF040 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
The PRS Bearings PRF040 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 101.6 mm bore interface.
The standard PRS Bearings PRF040 is designed for rigid configurations. For optimal performance, strict alignment of the 101.6 mm bore is critical, though PRS Bearings engineers can provide self-aligning bearing alternatives if your equipment is prone to deflection.