Manufactured by PRS Bearings, the PXB050 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB050XP0, SILVERTHIN SB050XP0. Key dimensional parameters include a 127 mm bore diameter, a 142.875 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.
PXB050 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB050XP0, SILVERTHIN SB050XP0 |
|---|---|
| Overview | |
| Basic Model | PXB050 |
| Weight | 0.172 kg |
| Dimensions | |
| Bore Dia (d, mm) | 127 mm |
| Bore Dia (d, in) | 5 in |
| Outer Dia (D, mm) | 142.875 mm |
| Outer Dia (D, in) | 5.625 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 5,498 kN |
| Static Load (Cor) | 9,564 kN |
| Dynamic Axial Load (Ca) | 8,807 kN |
| Static Axial Load (Coa) | 23,931 kN |
| Performance | |
| Limit Speed (rpm) | 2,260 rpm |
7.938 mm 142.875 mm 127 mm PXB050 Frequently Asked Questions about PXB050 PX 4-Point 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 PXB050 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
The standard PRS Bearings PXB050 is designed for rigid configurations. For optimal performance, strict alignment of the 127 mm bore is critical, though PRS Bearings engineers can provide self-aligning bearing alternatives if your equipment is prone to deflection.
The PXB050 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 127 mm, an outer diameter of 142.875 mm, and a width of 7.938 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 7.9 mm and a balanced D/d ratio of 1.12 for high-precision housing fits.
The PXB050 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.