PXB042 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXB042 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB042XP0, SILVERTHIN SB042XP0. Key dimensional parameters include a 107.95 mm bore diameter, a 123.825 mm outer diameter, and a 7.938 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 KB042XP0, SILVERTHIN SB042XP0
Overview
Basic ModelPXB042
Weight0.141 kg
Dimensions
Bore Dia (d, mm)107.95 mm
Bore Dia (d, in)4.25 in
Outer Dia (D, mm)123.825 mm
Outer Dia (D, in)4.875 in
Width (B, mm)7.938 mm
Width (B, in)0.3125 in
Load Ratings
Dynamic Load (Cr)4,982 kN
Static Load (Cor)8,140 kN
Dynamic Axial Load (Ca)7,918 kN
Static Axial Load (Coa)20,328 kN
Performance
Limit Speed (rpm)2,630 rpm
CAD Drawing and Dimensions for PXB042 PX 4-Point Contact Ball Bearing 7.938 mm 123.825 mm 107.95 mm PXB042

Frequently Asked Questions about PXB042 PX 4-Point Contact Ball Bearing

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

The standard PXB042 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 107.95 mm x 123.825 mm dimensions without warping.
Absolutely. The precise manufacturing of the PRS Bearings PXB042 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PXB042, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
Yes. As part of our B2B commitment, if a PXB042 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.