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A certain application requires a ball bearing with the inner ring rotating, with a design life of 25 kh at a speed of 400 rev/min. The radial load is 3.5 kN and an application factor of 1.5 is appropriate. The reliability goal is 0.90. Find the multiple of rating life required, Xp and the catalog rating C10 with which to enter a bearing table. Choose a 02-series deep-groove ball bearing from Table 11-2, and estimate the reliability in use.

A certain application requires a ball bearing with the inner ring rotating, with a design life of 25 kh at a speed of 400 rev/min. The radial load is 3.5 kN and an application factor of 1.5 is appropriate. The reliability goal is 0.90. Find the multiple of rating life required, Xp and the catalog rating C10 with which to enter a bearing table. Choose a 02-series deep-groove ball bearing from Table 11-2, and estimate the reliability in use.

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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A certain application requires a ball bearing with the inner ring rotating, with a design life of 25 kh at a speed of 400 rev/min. The radial load is 3.5 kN and an application factor of 1.5 is appropriate. The reliability goal is 0.90. Find the multiple of rating life required, Xp and the catalog rating C10 with which to enter a bearing table. Choose a 02-series deep-groove ball bearing from Table 11-2, and estimate the reliability in use.
Transcribed Image Text:A certain application requires a ball bearing with the inner ring rotating, with a design life of 25 kh at a speed of 400 rev/min. The radial load is 3.5 kN and an application factor of 1.5 is appropriate. The reliability goal is 0.90. Find the multiple of rating life required, Xp and the catalog rating C10 with which to enter a bearing table. Choose a 02-series deep-groove ball bearing from Table 11-2, and estimate the reliability in use.
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