Question: Assuming that bearings wear out as indicated in Problem 8.92, show that the magnitude M of the couple required to overcome the frictional resistance of

Assuming that bearings wear out as indicated in Problem 8.92, show that the magnitude M of the couple required to overcome the frictional resistance of a worn-out collar bearing is M = ½ μk P(R₁ + R₂) where P = magnitude of the total axial force R₁, R₂ = inner and outer radii of collar.

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