Manufactured by PRS Bearings, the PXD300 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KD300XP0, SILVERTHIN SD300XP0. Key dimensional parameters include a 762 mm bore diameter, a 787.4 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.
PXD300 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KD300XP0, SILVERTHIN SD300XP0 |
|---|---|
| Overview | |
| Basic Model | PXD300 |
| Weight | 2.599 kg |
| Dimensions | |
| Bore Dia (d, mm) | 762 mm |
| Bore Dia (d, in) | 30 in |
| Outer Dia (D, mm) | 787.4 mm |
| Outer Dia (D, in) | 31 in |
| Width (B, mm) | 12.7 mm |
| Width (B, in) | 0.5 in |
| Load Ratings | |
| Dynamic Load (Cr) | 30,497 kN |
| Static Load (Cor) | 92,790 kN |
| Dynamic Axial Load (Ca) | 56,048 kN |
| Static Axial Load (Coa) | 232,019 kN |
| Performance | |
| Limit Speed (rpm) | 390 rpm |
12.7 mm 787.4 mm 762 mm PXD300 Frequently Asked Questions about PXD300 PX 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PXD300 from PRS Bearings is heat-stabilized for temperatures up to 120°C. For extreme heat applications, PRS Bearings offers custom S1 or S2 stabilization treatments to ensure the component maintains its 762 mm x 787.4 mm dimensions without warping.
PRS Bearings provides a comprehensive B2B warranty for the PXD300 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PX 4-Point Contact Ball Bearing operates optimally within your specific machinery.
To maximize the performance of the PXD300, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 762 mm bore. For the 787.4 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
The PXD300 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 762 mm, an outer diameter of 787.4 mm, and a width of 12.7 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 12.7 mm and a balanced D/d ratio of 1.03 for high-precision housing fits.