The worm shaft shown in the figure transmits 1-kW at 500 rev/min. A static force analysis results are also shown in the figure. Bearing A is to be an angular-contact ball bearing mounted to take the 2.75 kN thrust load. The bearing at B is to take only the radial load, so a straight roller bearing will be employed. Use an application factor of 1.2, a desired life of 25 kh, and a combined reliability goal of 0.99. (a) Determine the radial and thrust components of loads on each bearing. (b) Specify each bearing by giving all required charecteristics. (c) Make a design assessment for each bearing and of the system. Q-2 y 179 N 333 N 1054 N 179 N 2750 N A 2750 N 358 N 720 N
The worm shaft shown in the figure transmits 1-kW at 500 rev/min. A static force analysis results are also shown in the figure. Bearing A is to be an angular-contact ball bearing mounted to take the 2.75 kN thrust load. The bearing at B is to take only the radial load, so a straight roller bearing will be employed. Use an application factor of 1.2, a desired life of 25 kh, and a combined reliability goal of 0.99. (a) Determine the radial and thrust components of loads on each bearing. (b) Specify each bearing by giving all required charecteristics. (c) Make a design assessment for each bearing and of the system. Q-2 y 179 N 333 N 1054 N 179 N 2750 N A 2750 N 358 N 720 N
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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