ASTMDI74186=075951000229878=/7-OP-//Designation:D1741-864TbAnAmericanNalhnatStandardAMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSt..Philadelphia,Pa.19103ReprintedfromlheAnnualBookofASTMStandards,CopyrightASTMIfnotlistedinthecurrentcombinedindex,willappearinlhenextedition.StandardTestMethodforFUNCTIONALLIFE.OFBALLBEARINGGREASES'ThisstandardisissuedunderthefixeddesignationD174I:thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstwoproceduresforevaluatingthefunctionallifeofballbearinggreaseswhentestedunderprescribedlaboratoryconditions.Thistestmethodisnottheequivalentoflong-timeservicetestsandislimitedtogreasesforoperatingtemperaturesupto125°C.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.I.3Thisstandardmayinvolvehazardoilsma-Ierials,operations,andeqiripment.Thisstandarddoesnotpiirporttoaddressallofthesafetyprob-lemsassociatedwithitsiise.Itistheresponsibil-ityoftheirserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplicabilityofregtilatorylimitationspriortoirse.ForspecifichazardstatementsseeNotesI,2,4,and5.2.ReferencedDocument2.IASTMStandard:D235SpecificationforMineralSpirits(Petro-leumSpirits)(HydrocarbonDrycleaning3.SignificanceandUse3.IThistestmethodisintendedasascreeningtesttoaidinselectinggreaseswhichappeartohavepromiseasball-androller-bearinglubri-cantsforuseunderthetemperaturelimitationsdescribedinthetestmethod.Thenatureofthetestissuchthatclosediscriminationbetweenlubricantscannotbemade.4.Apparatus4.1Theapparatusrequiredforthistestisde-scribedindetailinAppendixX1.Newbailbear-ingsofthetypedescribedarerequiredforeachtest.'5.Sampling5.1Takethesampleofgreasefortestwithaminimumofdisturbance.Donotreincorporateanyfreeoilthatmayhaveseparatedorinc...
