A propeller shaft rotating at constant speed is subjected to variable loads.Ball bearing supporting the shaft are subject to variable radial loads as follows;16KN for 40 percent of the time,2KN for 10 percent of the time,4KN for 20percent of the time and no load for the remaining time of the cycle.The total life expected for bearing is 3×10^6 revolution at a liability of 94 percent.select the bearing by calculating; a)Net dynamic load for the bearing b)load rating of the bearing from the manufacturers catalogue
A propeller shaft rotating at constant speed is subjected to variable loads.Ball bearing supporting the shaft are subject to variable radial loads as follows;16KN for 40 percent of the time,2KN for 10 percent of the time,4KN for 20percent of the time and no load for the remaining time of the cycle.The total life expected for bearing is 3×10^6 revolution at a liability of 94 percent.select the bearing by calculating; a)Net dynamic load for the bearing b)load rating of the bearing from the manufacturers catalogue
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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A propeller shaft rotating at constant speed is subjected to variable loads.Ball bearing supporting the shaft are subject to variable radial loads as follows;16KN for 40 percent of the time,2KN for 10 percent of the time,4KN for 20percent of the time and no load for the remaining time of the cycle.The total life expected for bearing is 3×10^6 revolution at a liability of 94 percent.select the bearing by calculating;
a)Net dynamic load for the bearing
b)load rating of the bearing from the manufacturers catalogue
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