Manufactured by PRS Bearings, the PRB180 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB180CP0, SILVERTHIN SB180CP0. Key dimensional parameters include a 457.2 mm bore diameter, a 473.075 mm outer diameter, and a 7.938 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.
PRB180 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB180CP0, SILVERTHIN SB180CP0 |
|---|---|
| Overview | |
| Basic Model | PRB180 |
| Weight | 0.612 kg |
| Dimensions | |
| Bore Dia (d, mm) | 457.2 mm |
| Bore Dia (d, in) | 18 in |
| Outer Dia (D, mm) | 473.075 mm |
| Outer Dia (D, in) | 18.625 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 8,612 kN |
| Static Load (Cor) | 33,095 kN |
| Performance | |
| Limit Speed (rpm) | 1,090 rpm |
7.938 mm 473.075 mm 457.2 mm PRB180 Frequently Asked Questions about PRB180 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered for heavy-duty endurance, the PRS Bearings PRB180 offers a dynamic load rating (Cr) of 8,612 and a static load rating (Cor) of 33,095. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
Every PRS Bearings PRB180 is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 457.2 mm bore and 473.075 mm outer surfaces remain pristine during overseas transit.
Yes, while the standard PRS Bearings PRB180 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.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PRB180, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.