The shaft supports two pulleys and runs at 1500 rpm.The bearings are required to have a life of 60 kh at a combined reliability of 0.98.The belt tension on the loose side of pulley B is 15 percent of the tension on the tight side.Select two (2) Single-Row 02-Series Deep-Groove ball bearings to be used at O and C.Use xo =0.02, =4.459,andb=1.483.
300 1bf
6di
501bf
(Dimensions in inches)