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Problem $11\mathrm{.}035-$ Selectlon of a bearing for a shaft design

The figure is a schematic drawing of a countershaft that supports two V$-$belt pulleys. Then countershaft runs at $1200$ rev$/$min and the bearings are to have a life of $55$ kh at a combined reliability of $0\mathrm{.}970,$ assuming distribution data from manufacturer $2$ in Table $11-6.$ The belt tension on the loose side of pulley $A$ is $15$ percent of the tension on the tight side. Select deep$-$groove bearings from Table $11-2$ for use at $O$ and $E.$ using an appication factor of unity.

Problem $11\mathrm{.}035.$b $-$ Calculation of basic load rating

What is the $C_{10}$ value for each bearing? $($Round the final answers to three decimal places.$)$

The $C_{10}$ value at $O$ is kN

The $C_{10}$ value at $E$ Is kN $.$