Manufactured by PRS Bearings, the PXD250 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KD250XP0, SILVERTHIN SD250XP0. Key dimensional parameters include a 635 mm bore diameter, a 660.4 mm outer diameter, and a 12.7 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.
PXD250 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KD250XP0, SILVERTHIN SD250XP0 |
|---|---|
| Overview | |
| Basic Model | PXD250 |
| Weight | 2.173 kg |
| Dimensions | |
| Bore Dia (d, mm) | 635 mm |
| Bore Dia (d, in) | 25 in |
| Outer Dia (D, mm) | 660.4 mm |
| Outer Dia (D, in) | 26 in |
| Width (B, mm) | 12.7 mm |
| Width (B, in) | 0.5 in |
| Load Ratings | |
| Dynamic Load (Cr) | 27,735 kN |
| Static Load (Cor) | 77,577 kN |
| Dynamic Axial Load (Ca) | 49,731 kN |
| Static Axial Load (Coa) | 193,987 kN |
| Performance | |
| Limit Speed (rpm) | 470 rpm |
12.7 mm 660.4 mm 635 mm PXD250 Frequently Asked Questions about PXD250 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 PXD250, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
PRS Bearings provides the PXD250 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.
The PRS Bearings PXD250 features precision-machined corner chamfers designed to facilitate easier mounting. These ISO-standard chamfers ensure that the PX 4-Point Contact Ball Bearing fits snugly against shaft shoulders, preventing stress concentration at the 635 mm bore interface.
Yes. As part of our B2B commitment, if a PXD250 experiences unexpected issues in the field, PRS Bearings engineers can perform detailed metallurgical and wear analysis to identify root causes and optimize your future setups.