Question: In the figure is a proposed shaft design to be used for the input shaft a in Prob. 77. A ball bearing is planned for

In the figure is a proposed shaft design to be used for the input shaft a in Prob. 7–7. A ball bearing is planned for the left bearing, and a cylindrical roller bearing for the right.
(a) Determine the minimum fatigue factor of safety by evaluating at any critical locations. Use a fatigue failure criteria that is considered to be typical of the failure data, rather than one that is considered conservative. Also ensure that the shaft does not yield in the first load cycle.
(b) Check the design for adequacy with respect to deformation, according to the recommendations in Table 7–2

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