Manufactured by PRS Bearings, the PRG400 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KG400CP0, SILVERTHIN SG400CP0. Key dimensional parameters include a 1016 mm bore diameter, a 1066.8 mm outer diameter, and a 25.4 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.
PRG400 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KG400CP0, SILVERTHIN SG400CP0 |
|---|---|
| Overview | |
| Basic Model | PRG400 |
| Weight | 13.971 kg |
| Dimensions | |
| Bore Dia (d, mm) | 1016 mm |
| Bore Dia (d, in) | 40 in |
| Outer Dia (D, mm) | 1066.8 mm |
| Outer Dia (D, in) | 42 in |
| Width (B, mm) | 25.4 mm |
| Width (B, in) | 1 in |
| Load Ratings | |
| Dynamic Load (Cr) | 81,434 kN |
| Static Load (Cor) | 299,410 kN |
| Performance | |
| Limit Speed (rpm) | 490 rpm |
25.4 mm 1066.8 mm 1016 mm PRG400 Frequently Asked Questions about PRG400 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, while the standard PRS Bearings PRG400 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.
Engineered for heavy-duty endurance, the PRS Bearings PRG400 offers a dynamic load rating (Cr) of 81,434 and a static load rating (Cor) of 299,410. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
Under optimal lubrication conditions, the PRS Bearings PRG400 can reach a limiting speed of 490 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.
The standard PRG400 from PRS Bearings is heat-stabilized for temperatures up to 120°C. For extreme heat applications, PRS Bearings offers custom S1 or S2 stabilization treatments to ensure the component maintains its 1016 mm x 1066.8 mm dimensions without warping.