Manufactured by PRS Bearings, the PRB140 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB140CP0, SILVERTHIN SB140CP0. Key dimensional parameters include a 355.6 mm bore diameter, a 371.475 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.
PRB140 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB140CP0, SILVERTHIN SB140CP0 |
|---|---|
| Overview | |
| Basic Model | PRB140 |
| Weight | 0.476 kg |
| Dimensions | |
| Bore Dia (d, mm) | 355.6 mm |
| Bore Dia (d, in) | 14 in |
| Outer Dia (D, mm) | 371.475 mm |
| Outer Dia (D, in) | 14.625 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 7,473 kN |
| Static Load (Cor) | 25,844 kN |
| Performance | |
| Limit Speed (rpm) | 1,400 rpm |
7.938 mm 371.475 mm 355.6 mm PRB140 Frequently Asked Questions about PRB140 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every PRB140 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.
PRS Bearings recommends storing the PRB140 in its original packaging in a clean, low-vibration warehouse. Maintaining a relative humidity below 60% and a stable room temperature ensures maximum shelf life.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PRB140 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.
Thanks to its robust 7,473 dynamic load capacity, the PRS Bearings PRB140 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.