A taper roller bearing used in a windmill has a dynamic load capacity of 26 kN. The desired life for 90% of the bearings is 8490h and the speed is 350 rpm. The rated bearing life(L10) in millions of revolutions is O a. 178.29 O b. 17829.00 O c. 178290.00 O d. 509.40

A taper roller bearing used in a windmill has a dynamic load capacity of 26 kN. The desired life for 90% of the bearings is 8490h and the speed is 350 rpm. The rated bearing life(L10) in millions of revolutions is O a. 178.29 O b. 17829.00 O c. 178290.00 O d. 509.40

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

A taper roller bearing used in a windmill has a dynamic load capacity of 26 kN. The desired life for 90% of the
bearings is 8490h and the speed is 350 rpm. The rated bearing life(L10) in millions of revolutions is
O a. 178.29
O b. 17829.00
c. 178290.00
O d. 509.40

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