Manufactured by PRS Bearings, the PRG120 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KG120CP0, SILVERTHIN SG120CP0. Key dimensional parameters include a 304.8 mm bore diameter, a 355.6 mm outer diameter, and a 25.4 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.
PRG120 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KG120CP0, SILVERTHIN SG120CP0 |
|---|---|
| Overview | |
| Basic Model | PRG120 |
| Weight | 4.218 kg |
| Dimensions | |
| Bore Dia (d, mm) | 304.8 mm |
| Bore Dia (d, in) | 12 in |
| Outer Dia (D, mm) | 355.6 mm |
| Outer Dia (D, in) | 14 in |
| Width (B, mm) | 25.4 mm |
| Width (B, in) | 1 in |
| Load Ratings | |
| Dynamic Load (Cr) | 44,811 kN |
| Static Load (Cor) | 94,925 kN |
| Performance | |
| Limit Speed (rpm) | 1,540 rpm |
25.4 mm 355.6 mm 304.8 mm PRG120 Frequently Asked Questions about PRG120 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 PRG120 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
Depending on your thermal and fit requirements, PRS Bearings supplies the PRG120 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
Every PRS Bearings PRG120 is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 304.8 mm bore and 355.6 mm outer surfaces remain pristine during overseas transit.
Yes, while the standard PRS Bearings PRG120 meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.