PXG250 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXG250 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KG250XP0, SILVERTHIN SG250XP0. Key dimensional parameters include a 635 mm bore diameter, a 685.8 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.

Technical Specifications

Direct InterchangeKAYDON KG250XP0, SILVERTHIN SG250XP0
Overview
Basic ModelPXG250
Weight8.845 kg
Dimensions
Bore Dia (d, mm)635 mm
Bore Dia (d, in)25 in
Outer Dia (D, mm)685.8 mm
Outer Dia (D, in)27 in
Width (B, mm)25.4 mm
Width (B, in)1 in
Load Ratings
Dynamic Load (Cr)86,118 kN
Static Load (Cor)189,850 kN
Dynamic Axial Load (Ca)150,261 kN
Static Axial Load (Coa)474,625 kN
Performance
Limit Speed (rpm)460 rpm
CAD Drawing and Dimensions for PXG250 PX 4-Point Contact Ball Bearing 25.4 mm 685.8 mm 635 mm PXG250

Frequently Asked Questions about PXG250 PX 4-Point Contact Ball Bearing

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

The standard PRS Bearings PXG250 is designed for rigid configurations. For optimal performance, strict alignment of the 635 mm bore is critical, though PRS Bearings engineers can provide self-aligning bearing alternatives if your equipment is prone to deflection.
Yes. Through optimized internal geometry and precision honing, PRS Bearings minimizes the rolling friction of the PXG250. This lowers operating temperatures and power consumption, particularly when running near its 460 RPM threshold.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PXG250 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.
Every PRS Bearings PXG250 is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 635 mm bore and 685.8 mm outer surfaces remain pristine during overseas transit.