Shaft Flat Pivot Friction Equation and Calculator

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Shaft Flat Pivot Friction Calculator

Torque required and power loss due to friction of a shaft in bushing.

Shaft Flat Pivot Friction

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Torque T in Pound-inches
T = ( 2 / 3 ) f W r
Power P Lost by Friction in Foot-pounds per Second

Power P Lost by Friction Formula

Where:

f = Coeffficient of friction
W = Load in pounds
T = Torque of friction about the axis of the shaft
r = Radius in inches
n = Revolutions per second