Manufactured by PRS Bearings, the PAA090 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KA090AR0, SILVERTHIN SA090AR0. Key dimensional parameters include a 228.6 mm bore diameter, a 241.3 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.
PAA090 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KA090AR0, SILVERTHIN SA090AR0 |
|---|---|
| Overview | |
| Basic Model | PAA090 |
| Weight | 0.2 kg |
| Dimensions | |
| Bore Dia (d, mm) | 228.6 mm |
| Bore Dia (d, in) | 9 in |
| Outer Dia (D, mm) | 241.3 mm |
| Outer Dia (D, in) | 9.5 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 4,244 kN |
| Static Load (Cor) | 14,412 kN |
| Dynamic Axial Load (Ca) | 10,987 kN |
| Static Axial Load (Coa) | 41,635 kN |
| Performance | |
| Limit Speed (rpm) | 2,160 rpm |
PAA090 6.35 mm 241.3 mm 228.6 mm Frequently Asked Questions about PAA090 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PAA090 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 228.6 mm x 241.3 mm dimensions without warping.
PRS Bearings provides a comprehensive B2B warranty for the PAA090 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PA Angular Contact Ball Series operates optimally within your specific machinery.
The L10 life of the PRS Bearings PAA090 is calculated based on its 4,244 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.
Depending on your thermal and fit requirements, PRS Bearings supplies the PAA090 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.