PXA047 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXA047 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KA047XP0, SILVERTHIN SA047XP0. Key dimensional parameters include a 120.65 mm bore diameter, a 133.35 mm outer diameter, and a 6.35 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 KA047XP0, SILVERTHIN SA047XP0
Overview
Basic ModelPXA047
Weight0.104 kg
Dimensions
Bore Dia (d, mm)120.65 mm
Bore Dia (d, in)4.75 in
Outer Dia (D, mm)133.35 mm
Outer Dia (D, in)5.25 in
Width (B, mm)6.35 mm
Width (B, in)0.25 in
Load Ratings
Dynamic Load (Cr)3,710 kN
Static Load (Cor)6,761 kN
Dynamic Axial Load (Ca)6,005 kN
Static Axial Load (Coa)16,859 kN
Performance
Limit Speed (rpm)2,400 rpm
CAD Drawing and Dimensions for PXA047 PX 4-Point Contact Ball Bearing 6.35 mm 133.35 mm 120.65 mm PXA047

Frequently Asked Questions about PXA047 PX 4-Point Contact Ball Bearing

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

The standard PXA047 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 120.65 mm x 133.35 mm dimensions without warping.
PRS Bearings provides the PXA047 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.
Thanks to its robust 3,710 dynamic load capacity, the PRS Bearings PXA047 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
Yes. As part of our B2B commitment, if a PXA047 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.