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  3. part b. the worm shaft shown in part a of the figu

Part B. The worm shaft shown in part a of the figure transmits 1.2 hp at...

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Mechanical Engineering

Part B. The worm shaft shown in part a of the figuretransmits 1.2 hp at 500 rev/min. A static force analysis gave theresults shown in part b of the figure. Bearing A is to be anangular-contact ball bearing mounted to take the 555-lbf thrustload. The bearing at B is to take only the radial load, so astraight roller bearing will be employed. Use an application factorof 1.3, a desired life of 30 kh, and a reliability goal, combined,of 0.90. Specify each bearing.

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