Manufactured by PRS Bearings, the PXF140 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KF140XP0, SILVERTHIN SF140XP0. 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.
PXF140 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KF140XP0, SILVERTHIN SF140XP0 |
|---|---|
| Overview | |
| Basic Model | PXF140 |
| 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) | 39,033 kN |
| Static Load (Cor) | 74.,063 kN |
| Dynamic Axial Load (Ca) | 64,633 kN |
| Static Axial Load (Coa) | 185,135 kN |
| Performance | |
| Limit Speed (rpm) | 810 rpm |
19.05 mm 393.7 mm 355.6 mm PXF140 Frequently Asked Questions about PXF140 PX 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PXF140, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
The PXF140 is engineered with an optimal strength-to-mass ratio. PRS Bearings ensures that the cross-sectional distribution provides maximum structural rigidity for its 39,033 dynamic load rating without introducing excessive rotational inertia.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PXF140 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
To maximize the performance of the PXF140, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 355.6 mm bore. For the 393.7 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.