Manufactured by PRS Bearings, the PRD140 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KD140CP0, SILVERTHIN SD140CP0. Key dimensional parameters include a 355.6 mm bore diameter, a 381 mm outer diameter, and a 12.7 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.
PRD140 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KD140CP0, SILVERTHIN SD140CP0 |
|---|---|
| Overview | |
| Basic Model | PRD140 |
| Weight | 1.238 kg |
| Dimensions | |
| Bore Dia (d, mm) | 355.6 mm |
| Bore Dia (d, in) | 14 in |
| Outer Dia (D, mm) | 381 mm |
| Outer Dia (D, in) | 15 in |
| Width (B, mm) | 12.7 mm |
| Width (B, in) | 0.5 in |
| Load Ratings | |
| Dynamic Load (Cr) | 15,244 kN |
| Static Load (Cor) | 44,126 kN |
| Performance | |
| Limit Speed (rpm) | 1,380 rpm |
12.7 mm 381 mm 355.6 mm PRD140 Frequently Asked Questions about PRD140 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered for heavy-duty endurance, the PRS Bearings PRD140 offers a dynamic load rating (Cr) of 15,244 and a static load rating (Cor) of 44,126. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
To maximize the performance of the PRD140, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 355.6 mm bore. For the 381 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
PRS Bearings recommends storing the PRD140 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.
Absolutely. The PRS Bearings PRD140 is a drop-in replacement for international models like KAYDON KD140CP0, SILVERTHIN SD140CP0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.