Manufactured by PRS Bearings, the PR042UU is a precision PR Sealed Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON JU042CP0, SILVERTHIN JSU042CP0. Key dimensional parameters include a 107.95 mm bore diameter, a 127 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.
PR042UU - PR Sealed Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON JU042CP0, SILVERTHIN JSU042CP0 |
|---|---|
| Overview | |
| Basic Model | PR042UU |
| Weight | 0.263 kg |
| Dimensions | |
| Bore Dia (d, mm) | 107.95 mm |
| Bore Dia (d, in) | 4.25 in |
| Outer Dia (D, mm) | 127 mm |
| Outer Dia (D, in) | 5 in |
| Width (B, mm) | 12.7 mm |
| Width (B, in) | 0.5 in |
| Load Ratings | |
| Dynamic Load (Cr) | 5,870 kN |
| Static Load (Cor) | 9,880 kN |
| Performance | |
| Limit Speed (rpm) | 1520 rpm |
12.7 mm 107.95 mm 127 mm PR042UU Frequently Asked Questions about PR042UU PR Sealed Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
PRS Bearings provides the PR042UU 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. Through optimized internal geometry and precision honing, PRS Bearings minimizes the rolling friction of the PR042UU. This lowers operating temperatures and power consumption, particularly when running near its 1520 RPM threshold.
Every PR042UU 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.
Yes, while the standard PRS Bearings PR042UU 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.