Manufactured by PRS Bearings, the PAB050 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KB050AR0, SILVERTHIN SB050AR0. Key dimensional parameters include a 127 mm bore diameter, a 142.875 mm outer diameter, and a 7.938 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.
PAB050 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KB050AR0, SILVERTHIN SB050AR0 |
|---|---|
| Overview | |
| Basic Model | PAB050 |
| Weight | 0.172 kg |
| Dimensions | |
| Bore Dia (d, mm) | 127 mm |
| Bore Dia (d, in) | 5 in |
| Outer Dia (D, mm) | 142.875 mm |
| Outer Dia (D, in) | 5.625 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 4,341 kN |
| Static Load (Cor) | 11,121 kN |
| Dynamic Axial Load (Ca) | 10,720 kN |
| Static Axial Load (Coa) | 32,072 kN |
| Performance | |
| Limit Speed (rpm) | 3,760 rpm |
PAB050 7.938 mm 142.875 mm 127 mm Frequently Asked Questions about PAB050 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes. As part of our B2B commitment, if a PAB050 experiences unexpected issues in the field, PRS Bearings engineers can perform detailed metallurgical and wear analysis to identify root causes and optimize your future setups.
Certainly. While the standard PAB050 is pre-filled with high-grade industrial lubricant, PRS Bearings can provide custom fills, including food-grade (NSF H1), high-temperature, or extreme-pressure greases tailored to your operational needs.
The PAB050 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.
Thanks to its robust 4,341 dynamic load capacity, the PRS Bearings PAB050 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.