PAC140 - PA Angular Contact Ball Series

Manufactured by PRS Bearings, the PAC140 is a precision PA Angular Contact Ball Series. You may consider it as an interchangeable alternative and replacement for KAYDON KC140AR0, SILVERTHIN SC140AR0. Key dimensional parameters include a 355.6 mm bore diameter, a 374.65 mm outer diameter, and a 9.525 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 KC140AR0, SILVERTHIN SC140AR0
Overview
Basic ModelPAC140
Weight0.689 kg
Dimensions
Bore Dia (d, mm)355.6 mm
Bore Dia (d, in)14 in
Outer Dia (D, mm)374.65 mm
Outer Dia (D, in)14.75 in
Width (B, mm)9.525 mm
Width (B, in)0.375 in
Load Ratings
Dynamic Load (Cr)10,440 kN
Static Load (Cor)37,765 kN
Dynamic Axial Load (Ca)27 446 kN
Static Axial Load (Coa)108,981 kN
Performance
Limit Speed (rpm)1,390 rpm
CAD Drawing and Dimensions for PAC140 PA Angular Contact Ball Series PAC140 9.525 mm 374.65 mm 355.6 mm

Frequently Asked Questions about PAC140 PA Angular Contact Ball Series

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

Yes. As part of our B2B commitment, if a PAC140 experiences unexpected issues in the field, PRS Bearings engineers can perform detailed metallurgical and wear analysis to identify root causes and optimize your future setups.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PAC140 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
PRS Bearings recommends storing the PAC140 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 PAC140 is engineered with an optimal strength-to-mass ratio. PRS Bearings ensures that the cross-sectional distribution provides maximum structural rigidity for its 10,440 dynamic load rating without introducing excessive rotational inertia.