Manufactured by PRS Bearings, the PXA120 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA120XP0, SILVERTHIN SA120XP0. Key dimensional parameters include a 304.8 mm bore diameter, a 317.5 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.
PXA120 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KA120XP0, SILVERTHIN SA120XP0 |
|---|---|
| Overview | |
| Basic Model | PXA120 |
| Weight | 0.254 kg |
| Dimensions | |
| Bore Dia (d, mm) | 304.8 mm |
| Bore Dia (d, in) | 12 in |
| Outer Dia (D, mm) | 317.5 mm |
| Outer Dia (D, in) | 12.5 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 6,374 kN |
| Static Load (Cor) | 16,547 kN |
| Dynamic Axial Load (Ca) | 10,898 kN |
| Static Axial Load (Coa) | 41,368 kN |
| Performance | |
| Limit Speed (rpm) | 980 rpm |
6.35 mm 317.5 mm 304.8 mm PXA120 Frequently Asked Questions about PXA120 PX 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Under optimal lubrication conditions, the PRS Bearings PXA120 can reach a limiting speed of 980 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.
The PXA120 is engineered with an optimal strength-to-mass ratio. PRS Bearings ensures that the cross-sectional distribution provides maximum structural rigidity for its 6,374 dynamic load rating without introducing excessive rotational inertia.
The PXA120 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.
PRS Bearings recommends storing the PXA120 in its original packaging in a clean, low-vibration warehouse. Maintaining a relative humidity below 60% and a stable room temperature ensures maximum shelf life.