PRD040 - PR Radial Contact Ball Bearing

Manufactured by PRS Bearings, the PRD040 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KD040CP0, SILVERTHIN SD040CP0. Key dimensional parameters include a 101.6 mm bore diameter, a 127 mm outer diameter, and a 12.7 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 KD040CP0, SILVERTHIN SD040CP0
Overview
Basic ModelPRD040
Weight0.354 kg
Dimensions
Bore Dia (d, mm)101.6 mm
Bore Dia (d, in)4 in
Outer Dia (D, mm)127 mm
Outer Dia (D, in)5 in
Width (B, mm)12.7 mm
Width (B, in)0.5 in
Load Ratings
Dynamic Load (Cr)7,807 kN
Static Load (Cor)13,701 kN
Performance
Limit Speed (rpm)4,440 rpm
CAD Drawing and Dimensions for PRD040 PR Radial Contact Ball Bearing 12.7 mm 127 mm 101.6 mm PRD040

Frequently Asked Questions about PRD040 PR Radial Contact Ball Bearing

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

Thanks to its robust 7,807 dynamic load capacity, the PRS Bearings PRD040 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.
Certainly. While the standard PRD040 is pre-filled with high-grade industrial lubricant, PRS Bearings can provide custom fills, including food-grade (NSF H1), high-temperature, or extreme-pressure greases tailored to your operational needs.
The PRD040 is engineered with an optimal strength-to-mass ratio. PRS Bearings ensures that the cross-sectional distribution provides maximum structural rigidity for its 7,807 dynamic load rating without introducing excessive rotational inertia.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PRD040 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.