Manufactured by PRS Bearings, the PAC300 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KC300AR0, SILVERTHIN SC300AR0. Key dimensional parameters include a 762 mm bore diameter, a 781.05 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.
PAC300 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KC300AR0, SILVERTHIN SC300AR0 |
|---|---|
| Overview | |
| Basic Model | PAC300 |
| Weight | 1.456 kg |
| Dimensions | |
| Bore Dia (d, mm) | 762 mm |
| Bore Dia (d, in) | 30 in |
| Outer Dia (D, mm) | 781.05 mm |
| Outer Dia (D, in) | 30.75 in |
| Width (B, mm) | 9.525 mm |
| Width (B, in) | 0.375 in |
| Load Ratings | |
| Dynamic Load (Cr) | 15,840 kN |
| Static Load (Cor) | 79,890 kN |
| Dynamic Axial Load (Ca) | 45,194 kN |
| Static Axial Load (Coa) | 230,640 kN |
| Performance | |
| Limit Speed (rpm) | 660 rpm |
PAC300 9.525 mm 781.05 mm 762 mm Frequently Asked Questions about PAC300 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Thanks to its robust 15,840 dynamic load capacity, the PRS Bearings PAC300 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
To maximize the performance of the PAC300, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 762 mm bore. For the 781.05 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PAC300 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
The PAC300 is manufactured by PRS Bearings using premium-grade bearing steel that undergoes rigorous quality control processes. The company adheres to international standards including ISO 9001 and IATF 16949, ensuring consistent material purity and structural integrity across all production batches.