Manufactured by PRS Bearings, the PR055UU is a precision PR Sealed Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON JU055CP0, SILVERTHIN JSU055CP0. 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.
PR055UU - PR Sealed Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON JU055CP0, SILVERTHIN JSU055CP0 |
|---|---|
| Overview | |
| Basic Model | PR055UU |
| 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) | 6,410 kN |
| Static Load (Cor) | 12,590 kN |
| Performance | |
| Limit Speed (rpm) | 1180 rpm |
12.7 mm 139 mm 158.75 mm PR055UU Frequently Asked Questions about PR055UU PR Sealed Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every PR055UU 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.
PRS Bearings recommends storing the PR055UU 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.
PRS Bearings provides the PR055UU with various cage options including high-strength pressed steel, machined brass for high-vibration tasks, or reinforced polymers for the quietest operation in precision machinery.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PR055UU are formulated to meet international safety standards, ensuring eco-friendly equipment integration.