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Polar Moment of Inertia of a circular hollow shaft

Last modified by
on
Jul 24, 2020, 6:28:07 PM
Created by
on
Jul 17, 2014, 5:15:45 PM
J=πD4d432
shaft outside diameter (mm, in)
shaft inside diameter (mm, in)
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Polar Moment of Inertia of a circular hollow shaft

Polar Moment of Inertia of a circular hollow shaft can be expressed as

J = π (D^4 - d^4) / 32         

where

  • d = shaft inside diameter   (mm, in)
  • D = shaft outside diameter (mm, in)

This equation, Polar Moment of Inertia of a circular hollow shaft, references 1 page
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