Manufactured by PRS Bearings, the PAA045 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KA045AR0, SILVERTHIN SA045AR0. Key dimensional parameters include a 114.3 mm bore diameter, a 127 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.
PAA045 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KA045AR0, SILVERTHIN SA045AR0 |
|---|---|
| Overview | |
| Basic Model | PAA045 |
| Weight | 0.1 kg |
| Dimensions | |
| Bore Dia (d, mm) | 114.3 mm |
| Bore Dia (d, in) | 4.5 in |
| Outer Dia (D, mm) | 127 mm |
| Outer Dia (D, in) | 5 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 2,834 kN |
| Static Load (Cor) | 7,384 kN |
| Dynamic Axial Load (Ca) | 7,028 kN |
| Static Axial Load (Coa) | 21,396 kN |
| Performance | |
| Limit Speed (rpm) | 4,210 rpm |
PAA045 6.35 mm 127 mm 114.3 mm Frequently Asked Questions about PAA045 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PAA045 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 114.3 mm x 127 mm dimensions without warping.
Yes. As part of our B2B commitment, if a PAA045 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 PAA045 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 L10 life of the PRS Bearings PAA045 is calculated based on its 2,834 dynamic capacity and your specific application loads. By maintaining clean operating conditions and using PRS Bearings's recommended lubrication, users can expect significantly extended service intervals.