A No$.316$ angular$-$contact ball bearing in the trolley drive of the crane carries a combined load of $\backslash (2,000\backslash$mathrm$\{$lb$\}\backslash )$ radially and $1,500$ lb axially at $1300$ rpm $.$ The bearing experiences steady uniform loading. Find the bearing's life in years for $\backslash (97\backslash \%\backslash )$ reliability, assuming the crane operates $8$ hours a day, every working day $($only M$-$F$)$ of the year $($including holidays$).$

Enter answer as number of years.