Manufactured by PRS Bearings, the PAA042 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KA042AR0, SILVERTHIN SA042AR0. Key dimensional parameters include a 107.95 mm bore diameter, a 120.65 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.
PAA042 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KA042AR0, SILVERTHIN SA042AR0 |
|---|---|
| Overview | |
| Basic Model | PAA042 |
| Weight | 0.091 kg |
| Dimensions | |
| Bore Dia (d, mm) | 107.95 mm |
| Bore Dia (d, in) | 4.25 in |
| Outer Dia (D, mm) | 120.65 mm |
| Outer Dia (D, in) | 4.75 in |
| Width (B, mm) | 6.35 mm |
| Width (B, in) | 0.25 in |
| Load Ratings | |
| Dynamic Load (Cr) | 2,740 kN |
| Static Load (Cor) | 7,028 kN |
| Dynamic Axial Load (Ca) | 6,806 kN |
| Static Axial Load (Coa) | 20,239 kN |
| Performance | |
| Limit Speed (rpm) | 4,440 rpm |
PAA042 6.35 mm 120.65 mm 107.95 mm Frequently Asked Questions about PAA042 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
PRS Bearings provides a comprehensive B2B warranty for the PAA042 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.
Yes, while the standard PRS Bearings PAA042 meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PAA042 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
To maximize the performance of the PAA042, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 107.95 mm bore. For the 120.65 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.