Manufactured by PRS Bearings, the PRA030 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA030CP0, SILVERTHIN SA030CP0. Key dimensional parameters include a 76.2 mm bore diameter, a 88.9 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.
PRA030 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KA030CP0, SILVERTHIN SA030CP0 |
|---|---|
| Overview | |
| Basic Model | PRA030 |
| Weight | 0.068 kg |
| Dimensions | |
| Bore Dia (d, mm) | 76.2 mm |
| Bore Dia (d, in) | 3 in |
| Outer Dia (D, mm) | 88.9 mm |
| Outer Dia (D, in) | 3.5 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 2,166 kN |
| Static Load (Cor) | 4,404 kN |
| Performance | |
| Limit Speed (rpm) | 6,150 rpm |
6.35 mm 88.9 mm 76.2 mm PRA030 Frequently Asked Questions about PRA030 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Depending on your thermal and fit requirements, PRS Bearings supplies the PRA030 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
Every PRA030 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.
Thanks to its robust 2,166 dynamic load capacity, the PRS Bearings PRA030 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PRA030 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.