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Reaction at O ii) Reaction at C iii) bearing at O iv) bearing at C.

Reaction at O ii) Reaction at C iii) bearing at O iv) bearing at C.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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 i) Reaction at O ii) Reaction at C iii) bearing at O iv) bearing at C.

A gear-reduction unit uses the countershaft depicted in the figure. Find the two bearing reactions. The bearings are to be angular-contact ball bearings, having a desired life of 50 kh when used at 300 rev/min. Use 1.2 for the application factor and a reliability goal for the bearing pair of 0.96. Select the bearings from Table 11-2. 400 350 25° 300 1068 N T 20° Dimensions in mm. Gear 3, 600 dia. B Gear 4, 300 dia.
Transcribed Image Text:A gear-reduction unit uses the countershaft depicted in the figure. Find the two bearing reactions. The bearings are to be angular-contact ball bearings, having a desired life of 50 kh when used at 300 rev/min. Use 1.2 for the application factor and a reliability goal for the bearing pair of 0.96. Select the bearings from Table 11-2. 400 350 25° 300 1068 N T 20° Dimensions in mm. Gear 3, 600 dia. B Gear 4, 300 dia.
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