Question

A Ball bearing subjected to a radial load of 4000 N is expected to have a satisfactory

life of 12 000 hours at 720 r.p.m. with a reliability of 95%. Calculate the dynamic

load carrying capacity of the bearing, so that it can be selected from manufacturer’s

catalogue based on 90% reliability. If there are four such bearings each with a

reliability of 95% in a system, what is the reliability of the complete system?​

Answer 1

Answer:

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