Manufactured by PRS Bearings, the PAA050 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KA050AR0, SILVERTHIN SA050AR0. Key dimensional parameters include a 127 mm bore diameter, a 139.7 mm outer diameter, and a 6.35 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.
PAA050 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KA050AR0, SILVERTHIN SA050AR0 |
|---|---|
| Overview | |
| Basic Model | PAA050 |
| Weight | 0.109 kg |
| Dimensions | |
| Bore Dia (d, mm) | 127 mm |
| Bore Dia (d, in) | 5 in |
| Outer Dia (D, mm) | 139.7 mm |
| Outer Dia (D, in) | 5.5 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 3,007 kN |
| Static Load (Cor) | 8,185 kN |
| Dynamic Axial Load (Ca) | 7,517 kN |
| Static Axial Load (Coa) | 23,620 kN |
| Performance | |
| Limit Speed (rpm) | 3,810 rpm |
PAA050 6.35 mm 139.7 mm 127 mm Frequently Asked Questions about PAA050 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
PRS Bearings provides the PAA050 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.
The PAA050 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.
Every PRS Bearings PAA050 is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 127 mm bore and 139.7 mm outer surfaces remain pristine during overseas transit.
Thanks to its robust 3,007 dynamic load capacity, the PRS Bearings PAA050 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.