Manufactured by PRS Bearings, the PAF140 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KF140AR0, SILVERTHIN SF140AR0. Key dimensional parameters include a 355.6 mm bore diameter, a 393.7 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.
PAF140 - PA Angular Contact Ball Series
Technical Specifications
| Direct Interchange | KAYDON KF140AR0, SILVERTHIN SF140AR0 |
|---|---|
| Overview | |
| Basic Model | PAF140 |
| Weight | 2.722 kg |
| Dimensions | |
| Bore Dia (d, mm) | 355.6 mm |
| Bore Dia (d, in) | 14 in |
| Outer Dia (D, mm) | 393.7 mm |
| Outer Dia (D, in) | 15.5 in |
| Width (B, mm) | 19.05 mm |
| Width (B, in) | 0.75 in |
| Load Ratings | |
| Dynamic Load (Cr) | 31,329 kN |
| Static Load (Cor) | 88,030 kN |
| Dynamic Axial Load (Ca) | 79,846 kN |
| Static Axial Load (Coa) | 254,171 kN |
| Performance | |
| Limit Speed (rpm) | 1,360 rpm |
PAF140 19.05 mm 393.7 mm 355.6 mm Frequently Asked Questions about PAF140 PA Angular Contact Ball Series
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Under optimal lubrication conditions, the PRS Bearings PAF140 can reach a limiting speed of 1,360 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.
Absolutely. The precise manufacturing of the PRS Bearings PAF140 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
The PAF140 is engineered with an optimal strength-to-mass ratio. PRS Bearings ensures that the cross-sectional distribution provides maximum structural rigidity for its 31,329 dynamic load rating without introducing excessive rotational inertia.
Yes. Through optimized internal geometry and precision honing, PRS Bearings minimizes the rolling friction of the PAF140. This lowers operating temperatures and power consumption, particularly when running near its 1,360 RPM threshold.