A 02-series deep - groove ball bearing is to be selected to carry a radial load of 8 kN and a thrust load of 4 kN. The desired life LD is to be 5 kh with an inner-ring rotation rate 900 rev/min. The manufacture's catalog on the basis of 10° revolutions for rating life and the Weibull parameters are xo=0.02, 0=4.459, and b=2. Determine the mean, median, the 10th percentile life, the slandered deviation, and the coefficient of variation. What is the basic load rating and the reliability that should be used in selecting a bearing for a reliability goal of 0.90?

A 02-series deep - groove ball bearing is to be selected to carry a radial load of 8 kN and a thrust load of 4 kN. The desired life LD is to be 5 kh with an inner-ring rotation rate 900 rev/min. The manufacture's catalog on the basis of 10° revolutions for rating life and the Weibull parameters are xo=0.02, 0=4.459, and b=2. Determine the mean, median, the 10th percentile life, the slandered deviation, and the coefficient of variation. What is the basic load rating and the reliability that should be used in selecting a bearing for a reliability goal of 0.90?

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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