A No. 207 radial-contact ball bearing supports a shaft that rotates 1800 rpm. A radi-al
Chapter 14, Problem 14.22(choose chapter or problem)
A No. 207 radial-contact ball bearing supports a shaft that rotates 1800 rpm. A radial load varies in such a way that 60, 30, and 10 percent of the time the load is 3, 5, and 7 kN, respectively. The loads are uniform, so that \(K_a\) = 1. Estimate the \(L_{10}\) life and the median life of the bearing.
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