Manufactured by PRS Bearings, the PXG300 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KG300XP0, SILVERTHIN SG300XP0. Key dimensional parameters include a 762 mm bore diameter, a 812.8 mm outer diameter, and a 25.4 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.
PXG300 - PX 4-Point Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KG300XP0, SILVERTHIN SG300XP0 |
|---|---|
| Overview | |
| Basic Model | PXG300 |
| Weight | 10.569 kg |
| Dimensions | |
| Bore Dia (d, mm) | 762 mm |
| Bore Dia (d, in) | 30 in |
| Outer Dia (D, mm) | 812.8 mm |
| Outer Dia (D, in) | 32 in |
| Width (B, mm) | 25.4 mm |
| Width (B, in) | 1 in |
| Load Ratings | |
| Dynamic Load (Cr) | 94,302 kN |
| Static Load (Cor) | 226,370 kN |
| Dynamic Axial Load (Ca) | 168,943 kN |
| Static Axial Load (Coa) | 565,814 kN |
| Performance | |
| Limit Speed (rpm) | 390 rpm |
25.4 mm 812.8 mm 762 mm PXG300 Frequently Asked Questions about PXG300 PX 4-Point Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The PXG300 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 762 mm, an outer diameter of 812.8 mm, and a width of 25.4 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 25.4 mm and a balanced D/d ratio of 1.07 for high-precision housing fits.
The standard PXG300 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 812.8 mm dimensions without warping.
Absolutely. The PRS Bearings PXG300 is a drop-in replacement for international models like KAYDON KG300XP0, SILVERTHIN SG300XP0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
Under optimal lubrication conditions, the PRS Bearings PXG300 can reach a limiting speed of 390 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.