MachineCalcs

Simply Supported Shaft Deflection Calculator

A simply supported round shaft with a central point load uses the same beam formula as a simply supported beam, with I from shaft diameter.

shaft deflection calculator simply supported simply supported shaft deflection round shaft deflection calculator

Deflection formula

delta = F * L^3 / (48 * E * I)

Round-shaft inertia

I = pi * d^4 / 64

Bending stress

sigma = M * c / I

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