Manufactured by PRS Bearings, the PRA065 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA065CP0, SILVERTHIN SA065CP0. Key dimensional parameters include a 165.1 mm bore diameter, a 177.8 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.
PRA065 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KA065CP0, SILVERTHIN SA065CP0 |
|---|---|
| Overview | |
| Basic Model | PRA065 |
| Weight | 0.136 kg |
| Dimensions | |
| Bore Dia (d, mm) | 165.1 mm |
| Bore Dia (d, in) | 6.5 in |
| Outer Dia (D, mm) | 177.8 mm |
| Outer Dia (D, in) | 7 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 3,354 kN |
| Static Load (Cor) | 9,119 kN |
| Performance | |
| Limit Speed (rpm) | 2,960 rpm |
6.35 mm 177.8 mm 165.1 mm PRA065 Frequently Asked Questions about PRA065 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PRA065 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PRA065 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
Yes. Through optimized internal geometry and precision honing, PRS Bearings minimizes the rolling friction of the PRA065. This lowers operating temperatures and power consumption, particularly when running near its 2,960 RPM threshold.
PRS Bearings provides the PRA065 with various cage options including high-strength pressed steel, machined brass for high-vibration tasks, or reinforced polymers for the quietest operation in precision machinery.