Repeat the requirements of Prob. 1129 for the bearing at the left end of the shaft. In

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Repeat the requirements of Prob. 11€“29 for the bearing at the left end of the shaft.
In Prob. 11€“29, The shaft shown in the figure is proposed as a preliminary design for the application defined in Prob. 3€“73, p. 138. The effective centers of the gears for force transmission are shown. The dimensions for the bearing surfaces (indicated with cross markings) have been estimated. The shaft rotates at 900 rev/min, and the desired bearing life is 12 kh with a 98 percent reliability. Use an application factor of 1.2.
(a) Obtain a Basic Load Rating for a ball bearing at the right end.
(b) Use an online bearing catalog to find a specific bearing that satisfies the needed Basic Load Rating and the geometry requirements. If necessary, indicate appropriate adjustments to the dimensions of the bearingsurface.
Repeat the requirements of Prob. 11€“29 for the bearing at
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Shigleys Mechanical Engineering Design

ISBN: 978-1121345317

9th edition

Authors: Richard G. Budynas, J. Keith Nisbett

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