Manufactured by PRS Bearings, the PAG250 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KG250AR0, SILVERTHIN SG250AR0. Key dimensional parameters include a 635 mm bore diameter, a 685.8 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.
PAG250 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KG250AR0, SILVERTHIN SG250AR0 |
|---|---|
| Overview | |
| Basic Model | PAG250 |
| Weight | 8.845 kg |
| Dimensions | |
| Bore Dia (d, mm) | 635 mm |
| Bore Dia (d, in) | 25 in |
| Outer Dia (D, mm) | 685.8 mm |
| Outer Dia (D, in) | 27 in |
| Width (B, mm) | 25.4 mm |
| Width (B, in) | 1 in |
| Load Ratings | |
| Dynamic Load (Cr) | 67,786 kN |
| Static Load (Cor) | 219,208 kN |
| Dynamic Axial Load (Ca) | 182,021 kN |
| Static Axial Load (Coa) | 632,982 kN |
| Performance | |
| Limit Speed (rpm) | 770 rpm |
PAG250 25.4 mm 685.8 mm 635 mm Frequently Asked Questions about PAG250 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Under optimal lubrication conditions, the PRS Bearings PAG250 can reach a limiting speed of 770 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.
To maximize the performance of the PAG250, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 635 mm bore. For the 685.8 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PAG250 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.
PRS Bearings recommends storing the PAG250 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.