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Abstract: Forpittingandspallingfailuresofrollingbearings,theeffectsofreliability,temperature,lubr icantsandad— ditives,surfaceroughness,material,loaddistribution,hoopstressandinterfacesliponfatiguelifeofrollingbearings arestudied.W ithrespecttofatigueprocessforrollingbearingsindifferentfailurem odes,theshearstressdominatesthe initiationofcracks,andthenormalstressdominatesthepropagationofcracks. Thecouplingeffectsam ongdifferentin- flueneingfactorsarecomprehensivelyresearchedtofullyandaccuratelycalculatethefatiguelifeofrollingbearings. K eywords:rollingbearing;fatiguelife;inf luencingfactor;couplingeffect