Answer to Question #280930 in Mechanical Engineering for Afbn

Question

A deep groove ball bearing has dynamic capacity of 2020 N and is to operate on the

following work cycle.

Radial load of 5800 N at 200 rpm for 25% of the time

Radial load of 8900 N at 500 rpm for 20% of the time

Radial load of 3500 N at 400 rpm for remaining time

Assuming the lads are steady and the inner race rotates, find the expected average

life of the bearing in hours.

Answer 1

Answer with diagram and detail is given below: