Manufactured by PRS Bearings, the PRA045 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA045CP0, SILVERTHIN SA045CP0. Key dimensional parameters include a 114.3 mm bore diameter, a 127 mm outer diameter, and a 6.35 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.
PRA045 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KA045CP0, SILVERTHIN SA045CP0 |
|---|---|
| Overview | |
| Basic Model | PRA045 |
| Weight | 0.1 kg |
| Dimensions | |
| Bore Dia (d, mm) | 114.3 mm |
| Bore Dia (d, in) | 4.5 in |
| Outer Dia (D, mm) | 127 mm |
| Outer Dia (D, in) | 5 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 2,713 kN |
| Static Load (Cor) | 6,405 kN |
| Performance | |
| Limit Speed (rpm) | 4,210 rpm |
6.35 mm 127 mm 114.3 mm PRA045 Frequently Asked Questions about PRA045 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The PRS Bearings PRA045 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 114.3 mm bore interface.
PRS Bearings recommends storing the PRA045 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.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PRA045 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
Thanks to its robust 2,713 dynamic load capacity, the PRS Bearings PRA045 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.