In a thrust bearing the external and internal radii of the contact surfaces are 210 mm and 160 mm respectively. The total axial load is 60 kN and coefficient of friction = 0.05. The shaft is rotating at 380 rpm. Intensity of pressure -is not to exceed 350 kN/m2. Calculate: Power lost in over-coming the friction and; Number of collars required for the thrust bearing.
In a thrust bearing the external and internal radii of the contact surfaces are 210 mm and 160 mm respectively. The total axial load is 60 kN and coefficient of friction = 0.05. The shaft is rotating at 380 rpm. Intensity of pressure -is not to exceed 350 kN/m2. Calculate: Power lost in over-coming the friction and; Number of collars required for the thrust bearing.
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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Question No. 11: In a thrust bearing the external and internal radii of the contact surfaces are 210 mm and 160 mm respectively. The total axial load is 60 kN and coefficient of friction = 0.05. The shaft is rotating at 380 rpm. Intensity of pressure -is not to exceed 350 kN/m2.
Calculate:
Power lost in over-coming the friction and;
Number of collars required for the thrust bearing.
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