Manufactured by PRS Bearings, the PX055UU is a precision PX Sealed 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON JU055XP0, SILVERTHIN JSU055XP0. Key dimensional parameters include a 139 mm bore diameter, a 158.75 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.
PX055UU - PX Sealed 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON JU055XP0, SILVERTHIN JSU055XP0 |
|---|---|
| Overview | |
| Basic Model | PX055UU |
| Weight | 0.336 kg |
| Dimensions | |
| Bore Dia (d, mm) | 139 mm |
| Bore Dia (d, in) | 5.5 in |
| Outer Dia (D, mm) | 158.75 mm |
| Outer Dia (D, in) | 6.25 in |
| Width (B, mm) | 12.7 mm |
| Width (B, in) | 0.5 in |
| Load Ratings | |
| Dynamic Load (Cr) | 7,500 kN |
| Static Load (Cor) | 12,590 kN |
| Dynamic Axial Load (Ca) | 13,880 kN |
| Static Axial Load (Coa) | 31,400 kN |
| Performance | |
| Limit Speed (rpm) | 450 rpm |
12.7 mm 158.75 mm 139 mm PX055UU Frequently Asked Questions about PX055UU PX Sealed 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, while the standard PRS Bearings PX055UU 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.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PX055UU, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
Thanks to its robust 7,500 dynamic load capacity, the PRS Bearings PX055UU is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
Yes. As part of our B2B commitment, if a PX055UU 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.