The collar bearing shown is subjected to a compressive load P of 60,000 lb. Calculate the...

The collar bearing shown is subjected to a compressive load P of 60,000 lb. Calculate the required diameter Dc of the collar. The diameter Ds of the shaft is 4 in. and the allowable bearing stress for the collar on its support is 300 psi. Assume a clearance all around between the shaft and the support.

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