PAD300 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAD300 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KD300AR0, SILVERTHIN SD300AR0. Key dimensional parameters include a 762 mm bore diameter, a 787.4 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 KD300AR0, SILVERTHIN SD300AR0
Overview
Basic ModelPAD300
Weight2.599 kg
Dimensions
Bore Dia (d, mm)762 mm
Bore Dia (d, in)30 in
Outer Dia (D, mm)787.4 mm
Outer Dia (D, in)31 in
Width (B, mm)12.7 mm
Width (B, in)0.5 in
Load Ratings
Dynamic Load (Cr)24,007 kN
Static Load (Cor)107,158 kN
Dynamic Axial Load (Ca)67 ,880 kN
Static Axial Load (Coa)309,329 kN
Performance
Limit Speed (rpm)660 rpm
CAD Drawing and Dimensions for PAD300 PA Angular Contact Ball Series PAD300 12.7 mm 787.4 mm 762 mm

Frequently Asked Questions about PAD300 PA Angular Contact Ball Series

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

The PAD300 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PAD300, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
Yes, while the standard PRS Bearings PAD300 meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.
Thanks to its robust 24,007 dynamic load capacity, the PRS Bearings PAD300 is highly sought after in mining, metallurgy, agricultural machinery, and heavy industrial gearboxes where operational reliability is paramount.