PXB030 - PX 4-Point Contact Ball Bearing

Manufactured by PRS Bearings, the PXB030 is a precision PX 4-Point Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB030XP0, SILVERTHIN SB030XP0. Key dimensional parameters include a 76.2 mm bore diameter, a 92.075 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 KB030XP0, SILVERTHIN SB030XP0
Overview
Basic ModelPXB030
Weight0.109 kg
Dimensions
Bore Dia (d, mm)76.2 mm
Bore Dia (d, in)3 in
Outer Dia (D, mm)92.075 mm
Outer Dia (D, in)3.625 in
Width (B, mm)7.938 mm
Width (B, in)0.3125 in
Load Ratings
Dynamic Load (Cr)4,150 kN
Static Load (Cor)5,961 kN
Dynamic Axial Load (Ca)6,405 kN
Static Axial Load (Coa)14,902 kN
Performance
Limit Speed (rpm)3,620 rpm
CAD Drawing and Dimensions for PXB030 PX 4-Point Contact Ball Bearing 7.938 mm 92.075 mm 76.2 mm PXB030

Frequently Asked Questions about PXB030 PX 4-Point Contact Ball Bearing

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

PRS Bearings provides the PXB030 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.
Depending on your thermal and fit requirements, PRS Bearings supplies the PXB030 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
The PXB030 is engineered with an optimal strength-to-mass ratio. PRS Bearings ensures that the cross-sectional distribution provides maximum structural rigidity for its 4,150 dynamic load rating without introducing excessive rotational inertia.
PRS Bearings recommends storing the PXB030 in its original packaging in a clean, low-vibration warehouse. Maintaining a relative humidity below 60% and a stable room temperature ensures maximum shelf life.