Manufactured by PRS Bearings, the PXB120 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB120XP0, SILVERTHIN SB120XP0. Key dimensional parameters include a 304.8 mm bore diameter, a 320.675 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.
PXB120 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB120XP0, SILVERTHIN SB120XP0 |
|---|---|
| Overview | |
| Basic Model | PXB120 |
| Weight | 0.376 kg |
| Dimensions | |
| Bore Dia (d, mm) | 304.8 mm |
| Bore Dia (d, in) | 12 in |
| Outer Dia (D, mm) | 320.675 mm |
| Outer Dia (D, in) | 12.625 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 9,097 kN |
| Static Load (Cor) | 22,241 kN |
| Dynamic Axial Load (Ca) | 15,435 kN |
| Static Axial Load (Coa) | 55,603 kN |
| Performance | |
| Limit Speed (rpm) | 970 rpm |
7.938 mm 320.675 mm 304.8 mm PXB120 Frequently Asked Questions about PXB120 PX 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PRS Bearings PXB120 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.
The L10 life of the PRS Bearings PXB120 is calculated based on its 9,097 dynamic capacity and your specific application loads. By maintaining clean operating conditions and using PRS Bearings's recommended lubrication, users can expect significantly extended service intervals.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PXB120 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.
The PXB120 is manufactured by PRS Bearings using premium-grade bearing steel that undergoes rigorous quality control processes. The company adheres to international standards including ISO 9001 and IATF 16949, ensuring consistent material purity and structural integrity across all production batches.