Manufactured by PRS Bearings, the PXB047 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB047XP0, SILVERTHIN SB047XP0. Key dimensional parameters include a 120.65 mm bore diameter, a 136.525 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.
PXB047 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB047XP0, SILVERTHIN SB047XP0 |
|---|---|
| Overview | |
| Basic Model | PXB047 |
| Weight | 0.154 kg |
| Dimensions | |
| Bore Dia (d, mm) | 120.65 mm |
| Bore Dia (d, in) | 4.75 in |
| Outer Dia (D, mm) | 136.525 mm |
| Outer Dia (D, in) | 5.375 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 5,307 kN |
| Static Load (Cor) | 9,030 kN |
| Dynamic Axial Load (Ca) | 8,452 kN |
| Static Axial Load (Coa) | 22,597 kN |
| Performance | |
| Limit Speed (rpm) | 2,370 rpm |
7.938 mm 136.525 mm 120.65 mm PXB047 Frequently Asked Questions about PXB047 PX 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes. As part of our B2B commitment, if a PXB047 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.
Every PXB047 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 PRS Bearings PXB047 features precision-machined corner chamfers designed to facilitate easier mounting. These ISO-standard chamfers ensure that the PX 4-Point Contact Ball Bearing fits snugly against shaft shoulders, preventing stress concentration at the 120.65 mm bore interface.
The standard PRS Bearings PXB047 is designed for rigid configurations. For optimal performance, strict alignment of the 120.65 mm bore is critical, though PRS Bearings engineers can provide self-aligning bearing alternatives if your equipment is prone to deflection.