Manufactured by PRS Bearings, the PXA055 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA055XP0, SILVERTHIN SA055XP0. Key dimensional parameters include a 139.7 mm bore diameter, a 152.4 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.
PXA055 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KA055XP0, SILVERTHIN SA055XP0 |
|---|---|
| Overview | |
| Basic Model | PXA055 |
| Weight | 0.113 kg |
| Dimensions | |
| Bore Dia (d, mm) | 139.7 mm |
| Bore Dia (d, in) | 5.5 in |
| Outer Dia (D, mm) | 152.4 mm |
| Outer Dia (D, in) | 6 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 4,039 kN |
| Static Load (Cor) | 7,784 kN |
| Dynamic Axial Load (Ca) | 6,583 kN |
| Static Axial Load (Coa) | 19,394 kN |
| Performance | |
| Limit Speed (rpm) | 2,090 rpm |
6.35 mm 152.4 mm 139.7 mm PXA055 Frequently Asked Questions about PXA055 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 PXA055 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
The PXA055 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.
Every PXA055 batch undergoes 100% automated vibration and noise testing at the PRS Bearings factory. We guarantee compliance with Z1/V1 standards, with premium Z3/V3 options available for high-end electric motors.
The PXA055 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.