Question: QUESTION 9 A No . 3 1 6 angular - contact ball bearing in the trolley drive of the crane carries a combined load of

QUESTION 9
A No.316 angular-contact ball bearing in the trolley drive of the crane carries a combined load of 2,000 lb radially and 1,500 lb axially at 1270 rpm .
The bearing experiences steady uniform loading. Find the bearing's life in years for 97% reliability, assuming the crane operates 8 hours a day, every
working day (only M-F) of the year (including holidays).
QUESTION 9 A No . 3 1 6 angular - contact ball

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