Manufactured by PRS Bearings, the PAF042 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KF042AR0, SILVERTHIN SF042AR0. Key dimensional parameters include a 107.95 mm bore diameter, a 146.05 mm outer diameter, and a 19.05 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.
PAF042 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KF042AR0, SILVERTHIN SF042AR0 |
|---|---|
| Overview | |
| Basic Model | PAF042 |
| Weight | 0.907 kg |
| Dimensions | |
| Bore Dia (d, mm) | 107.95 mm |
| Bore Dia (d, in) | 4.25 in |
| Outer Dia (D, mm) | 146.05 mm |
| Outer Dia (D, in) | 5.75 in |
| Width (B, mm) | 19.05 mm |
| Width (B, in) | 0.75 in |
| Load Ratings | |
| Dynamic Load (Cr) | 16,925 kN |
| Static Load (Cor) | 29,358 kN |
| Dynamic Axial Load (Ca) | 38,388 kN |
| Static Axial Load (Coa) | 84,739 kN |
| Performance | |
| Limit Speed (rpm) | 4,000 rpm |
PAF042 19.05 mm 146.05 mm 107.95 mm Frequently Asked Questions about PAF042 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PAF042 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
Depending on your thermal and fit requirements, PRS Bearings supplies the PAF042 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
Thanks to its robust 16,925 dynamic load capacity, the PRS Bearings PAF042 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
PRS Bearings recommends storing the PAF042 in its original packaging in a clean, low-vibration warehouse. Maintaining a relative humidity below 60% and a stable room temperature ensures maximum shelf life.