PAD140 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAD140 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KD140AR0, SILVERTHIN SD140AR0. Key dimensional parameters include a 355.6 mm bore diameter, a 381 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 KD140AR0, SILVERTHIN SD140AR0
Overview
Basic ModelPAD140
Weight1.238 kg
Dimensions
Bore Dia (d, mm)355.6 mm
Bore Dia (d, in)14 in
Outer Dia (D, mm)381 mm
Outer Dia (D, in)15 in
Width (B, mm)12.7 mm
Width (B, in)0.5 in
Load Ratings
Dynamic Load (Cr)15,934 kN
Static Load (Cor)50,932 kN
Dynamic Axial Load (Ca)41,324 kN
Static Axial Load (Coa)147,058 kN
Performance
Limit Speed (rpm)1,380 rpm
CAD Drawing and Dimensions for PAD140 PA Angular Contact Ball Series PAD140 12.7 mm 381 mm 355.6 mm

Frequently Asked Questions about PAD140 PA Angular Contact Ball Series

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

PRS Bearings recommends storing the PAD140 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.
The PAD140 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 355.6 mm, an outer diameter of 381 mm, and a width of 12.7 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 12.7 mm and a balanced D/d ratio of 1.07 for high-precision housing fits.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PAD140 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PAD140, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.