Manufactured by PRS Bearings, the PAA040 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KA040AR0, SILVERTHIN SA040AR0. Key dimensional parameters include a 101.6 mm bore diameter, a 114.3 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.
PAA040 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KA040AR0, SILVERTHIN SA040AR0 |
|---|---|
| Overview | |
| Basic Model | PAA040 |
| Weight | 0.086 kg |
| Dimensions | |
| Bore Dia (d, mm) | 101.6 mm |
| Bore Dia (d, in) | 4 in |
| Outer Dia (D, mm) | 114.3 mm |
| Outer Dia (D, in) | 4.5 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 2,647 kN |
| Static Load (Cor) | 6,628 kN |
| Dynamic Axial Load (Ca) | 6,539 kN |
| Static Axial Load (Coa) | 19,127 kN |
| Performance | |
| Limit Speed (rpm) | 4,710 rpm |
PAA040 6.35 mm 114.3 mm 101.6 mm Frequently Asked Questions about PAA040 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Thanks to its robust 2,647 dynamic load capacity, the PRS Bearings PAA040 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
PRS Bearings provides the PAA040 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.
Absolutely. The PRS Bearings PAA040 is a drop-in replacement for international models like KAYDON KA040AR0, SILVERTHIN SA040AR0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
Depending on your thermal and fit requirements, PRS Bearings supplies the PAA040 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.