PRB030 - PR Radial Contact Ball Bearing

Manufactured by PRS Bearings, the PRB030 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB030CP0, SILVERTHIN SB030CP0. 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 KB030CP0, SILVERTHIN SB030CP0
Overview
Basic ModelPRB030
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)3,145 kN
Static Load (Cor)5,961 kN
Performance
Limit Speed (rpm)6,040 rpm
CAD Drawing and Dimensions for PRB030 PR Radial Contact Ball Bearing 7.938 mm 92.075 mm 76.2 mm PRB030

Frequently Asked Questions about PRB030 PR Radial Contact Ball Bearing

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

Yes. Through optimized internal geometry and precision honing, PRS Bearings minimizes the rolling friction of the PRB030. This lowers operating temperatures and power consumption, particularly when running near its 6,040 RPM threshold.
Under optimal lubrication conditions, the PRS Bearings PRB030 can reach a limiting speed of 6,040 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PRB030 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
Absolutely. The precise manufacturing of the PRS Bearings PRB030 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.