Question: You are an engineering intern at a machine reliability consulting firm, your manager asked you to investigate the integrity of bearings used on an

You are an engineering intern at a machine reliability consulting firm, your

You are an engineering intern at a machine reliability consulting firm, your manager asked you to investigate the integrity of bearings used on an industrial machine for a client. Your task is to estimate the remaining life l2, in revolutions, of the used 30206 SKF single row tapered roller bearings already subjected to 4 of 800 000 revolutions with a radial load F, of 26 kN, if the client changed the load on it to F, of 35 kN. (HINT: use the regression equation so that Ff L = F L2 = CfoL10 = constant) %3D 12 -1) (HINT: use Eq. (6-57) the Palmgren-Miner cycle-ratio summation rule: +- L L

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