文档介绍：ExplanationofNSKnewlifecalculationequation(NSKABLEFORECASTER)introducesFatigueloadlimit(Pu),whichdoesnotcauseflakinglessthanthat,inadditiontotheloadappliedtobearing,Contaminationfactor(ac),whichindicatesthelevelofcontaminationforlubricant,andLifeadjustmentfactor(aNSK),whichiscalculatedbyconsideringviscosityratio(),whichconsidersFatiguelimitloadofbearingmaterial,ContaminationfactorandviscosityoflubricantinadditiontobearingloadHowever,incasethatcalculatedlifeexceeds200000hours,itisindicated"over200000"Basicratinglifewithreliabilityof90%calculatedfromloadconditionReliabilityfactorLifeadjustmentfactorbasedonnewlifetheoryHowever,thisequationcannotapplytofollowingoperatingconditions· Incaseofverylargeloadimposestothebearing(MorethanCoormorethan50%ofC)· Incaseoflowspeedrotationofthebearing,rotatingspeedislessthan20min-1· Incaseofexceedinglimitingspeed· Incaseofbearingtemperatureexceeding130°C· Incaseofwaterintrudestothebearingorlubricant(Rollneckbearing)· Incasethatthebearingisusedunderhighvibration(essory)· Incasethatthereisalargemisalignmentbetweeninnerandouterrings· urrenceofabnormalitiessuchaswear,corrosion,orelectricerosion· ontaminationfactor,whichreflectsbothcontaminationlevelsofthelubricant,andincludesthelubricationparameter(viscosityratio).Adiag