Manufactured by PRS Bearings, the PR120UU is a precision PR Sealed Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON JU120CP0, SILVERTHIN JSU120CP0. Key dimensional parameters include a 304.8 mm bore diameter, a 323.85 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.
PR120UU - PR Sealed Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON JU120CP0, SILVERTHIN JSU120CP0 |
|---|---|
| Overview | |
| Basic Model | PR120UU |
| Weight | 0.708 kg |
| Dimensions | |
| Bore Dia (d, mm) | 304.8 mm |
| Bore Dia (d, in) | 12 in |
| Outer Dia (D, mm) | 323.85 mm |
| Outer Dia (D, in) | 12.75 in |
| Width (B, mm) | 12.7 mm |
| Width (B, in) | 0.5 in |
| Load Ratings | |
| Dynamic Load (Cr) | 8,780 kN |
| Static Load (Cor) | 26,470 kN |
| Performance | |
| Limit Speed (rpm) | 540 rpm |
12.7 mm 304.8 mm 323.85 mm PR120UU Frequently Asked Questions about PR120UU PR Sealed Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To maximize the performance of the PR120UU, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 304.8 mm bore. For the 323.85 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
Engineered for heavy-duty endurance, the PRS Bearings PR120UU offers a dynamic load rating (Cr) of 8,780 and a static load rating (Cor) of 26,470. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
Absolutely. The PRS Bearings PR120UU is a drop-in replacement for international models like KAYDON JU120CP0, SILVERTHIN JSU120CP0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
PRS Bearings recommends storing the PR120UU 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.