Manufactured by PRS Bearings, the PRB040 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB040CP0, SILVERTHIN SB040CP0. Key dimensional parameters include a 101.6 mm bore diameter, a 117.475 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.
PRB040 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB040CP0, SILVERTHIN SB040CP0 |
|---|---|
| Overview | |
| Basic Model | PRB040 |
| Weight | 0.136 kg |
| Dimensions | |
| Bore Dia (d, mm) | 101.6 mm |
| Bore Dia (d, in) | 4 in |
| Outer Dia (D, mm) | 117.475 mm |
| Outer Dia (D, in) | 4.625 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 3,670 kN |
| Static Load (Cor) | 7,784 kN |
| Performance | |
| Limit Speed (rpm) | 4,640 rpm |
7.938 mm 117.475 mm 101.6 mm PRB040 Frequently Asked Questions about PRB040 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PRB040 from PRS Bearings is heat-stabilized for temperatures up to 120°C. For extreme heat applications, PRS Bearings offers custom S1 or S2 stabilization treatments to ensure the component maintains its 101.6 mm x 117.475 mm dimensions without warping.
The PRB040 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 101.6 mm, an outer diameter of 117.475 mm, and a width of 7.938 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 7.9 mm and a balanced D/d ratio of 1.16 for high-precision housing fits.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PRB040, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
Depending on your thermal and fit requirements, PRS Bearings supplies the PRB040 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.