Manufactured by PRS Bearings, the PAC250 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KC250AR0, SILVERTHIN SC250AR0. Key dimensional parameters include a 635 mm bore diameter, a 654.05 mm outer diameter, and a 9.525 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.
PAC250 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KC250AR0, SILVERTHIN SC250AR0 |
|---|---|
| Overview | |
| Basic Model | PAC250 |
| Weight | 1.22 kg |
| Dimensions | |
| Bore Dia (d, mm) | 635 mm |
| Bore Dia (d, in) | 25 in |
| Outer Dia (D, mm) | 654.05 mm |
| Outer Dia (D, in) | 25.75 in |
| Width (B, mm) | 9.525 mm |
| Width (B, in) | 0.375 in |
| Load Ratings | |
| Dynamic Load (Cr) | 14,381 kN |
| Static Load (Cor) | 66,279 kN |
| Dynamic Axial Load (Ca) | 40,078 kN |
| Static Axial Load (Coa) | 192,519 kN |
| Performance | |
| Limit Speed (rpm) | 790 rpm |
PAC250 9.525 mm 654.05 mm 635 mm Frequently Asked Questions about PAC250 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PAC250, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
Engineered for heavy-duty endurance, the PRS Bearings PAC250 offers a dynamic load rating (Cr) of 14,381 and a static load rating (Cor) of 66,279. These ratings reflect PRS Bearings's commitment to using high-fatigue-strength materials for demanding radial and axial force environments.
The standard PAC250 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 635 mm x 654.05 mm dimensions without warping.
PRS Bearings provides the PAC250 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.