Manufactured by PRS Bearings, the PRA120 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA120CP0, SILVERTHIN SA120CP0. Key dimensional parameters include a 304.8 mm bore diameter, a 317.5 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.
PRA120 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KA120CP0, SILVERTHIN SA120CP0 |
|---|---|
| Overview | |
| Basic Model | PRA120 |
| Weight | 0.254 kg |
| Dimensions | |
| Bore Dia (d, mm) | 304.8 mm |
| Bore Dia (d, in) | 12 in |
| Outer Dia (D, mm) | 317.5 mm |
| Outer Dia (D, in) | 125000 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 4,795 kN |
| Static Load (Cor) | 16,547 kN |
| Performance | |
| Limit Speed (rpm) | 1,630 rpm |
6.35 mm 317.5 mm 304.8 mm PRA120 Frequently Asked Questions about PRA120 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PRS Bearings PRA120 is designed for rigid configurations. For optimal performance, strict alignment of the 304.8 mm bore is critical, though PRS Bearings engineers can provide self-aligning bearing alternatives if your equipment is prone to deflection.
Absolutely. The PRS Bearings PRA120 is a drop-in replacement for international models like KAYDON KA120CP0, SILVERTHIN SA120CP0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PRA120 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.
PRS Bearings provides a comprehensive B2B warranty for the PRA120 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PR Radial Contact Ball Bearing operates optimally within your specific machinery.