Manufactured by PRS Bearings, the PXG042 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KG042XP0, SILVERTHIN SG042XP0. Key dimensional parameters include a 107.95 mm bore diameter, a 158.75 mm outer diameter, and a 25.4 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.
PXG042 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KG042XP0, SILVERTHIN SG042XP0 |
|---|---|
| Overview | |
| Basic Model | PXG042 |
| Weight | 1.724 kg |
| Dimensions | |
| Bore Dia (d, mm) | 107.95 mm |
| Bore Dia (d, in) | 4.25 in |
| Outer Dia (D, mm) | 158.75 mm |
| Outer Dia (D, in) | 6.25 in |
| Width (B, mm) | 25.4 mm |
| Width (B, in) | 1 in |
| Load Ratings | |
| Dynamic Load (Cr) | 35,217 kN |
| Static Load (Cor) | 36,520 kN |
| Dynamic Axial Load (Ca) | 50,087 kN |
| Static Axial Load (Coa) | 91,278 kN |
| Performance | |
| Limit Speed (rpm) | 2,290 rpm |
25.4 mm 158.75 mm 107.95 mm PXG042 Frequently Asked Questions about PXG042 PX 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PRS Bearings PXG042 is designed for rigid configurations. For optimal performance, strict alignment of the 107.95 mm bore is critical, though PRS Bearings engineers can provide self-aligning bearing alternatives if your equipment is prone to deflection.
Yes. As part of our B2B commitment, if a PXG042 experiences unexpected issues in the field, PRS Bearings engineers can perform detailed metallurgical and wear analysis to identify root causes and optimize your future setups.
The PXG042 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.
To maximize the performance of the PXG042, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 107.95 mm bore. For the 158.75 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.