Manufactured by PRS Bearings, the PX040UU is a precision PX Sealed 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON JU040XP0, SILVERTHIN JSU040XP0. Key dimensional parameters include a 101.6 mm bore diameter, a 120.65 mm outer diameter, and a 12.7 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.
PX040UU - PX Sealed 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON JU040XP0, SILVERTHIN JSU040XP0 |
|---|---|
| Overview | |
| Basic Model | PX040UU |
| Weight | 0.249 kg |
| Dimensions | |
| Bore Dia (d, mm) | 101.6 mm |
| Bore Dia (d, in) | 4 in |
| Outer Dia (D, mm) | 120.65 mm |
| Outer Dia (D, in) | 4.75 in |
| Width (B, mm) | 12.7 mm |
| Width (B, in) | 0.5 in |
| Load Ratings | |
| Dynamic Load (Cr) | 6,300 kN |
| Static Load (Cor) | 9,340 kN |
| Dynamic Axial Load (Ca) | 12,500 kN |
| Static Axial Load (Coa) | 23,400 kN |
| Performance | |
| Limit Speed (rpm) | 620 rpm |
12.7 mm 120.65 mm 101.6 mm PX040UU Frequently Asked Questions about PX040UU PX Sealed 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PRS Bearings PX040UU is designed for rigid configurations. For optimal performance, strict alignment of the 101.6 mm bore is critical, though PRS Bearings engineers can provide self-aligning bearing alternatives if your equipment is prone to deflection.
Yes, while the standard PRS Bearings PX040UU meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.
Every PRS Bearings PX040UU is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 101.6 mm bore and 120.65 mm outer surfaces remain pristine during overseas transit.
PRS Bearings provides a comprehensive B2B warranty for the PX040UU against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PX Sealed 4-Point Contact Ball Bearing operates optimally within your specific machinery.