Designation:F2332−06(Reapproved2013)StandardSpecificationforAnnularBallBearingsforInstrumentsandPrecisionRotatingComponents1ThisstandardisissuedunderthefixeddesignationF2332;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversannularballbearingsintendedprimarilyforuseininstrumentandprecisionrotatingcompo-nents.InstrumentandprecisionballbearingsshouldmeettolerancesspecifiedinABMAStandard12.2,InstrumentBallBearingsInchDesignforClassesABEC5Pand7P.1.2IntendedUse—Ballbearingsdefinedbythisspecifica-tionareintendedforuseincriticalcomponentsofinstrumentsystems.Suchcomponentsrangefromaircirculatingblowersanddrivemotorsthroughprecisiongeartrains,gyrogimbals,andpickoffstorateintegratingspin-motors.1.3ThespecificationcontainsmanyoftherequirementsofMIL-B-81793,whichwasoriginallydevelopedbytheDepart-mentofDefenseandmaintainedbytheNavalAirSystemsCommand(Navy-AS)inLakehurst,NJ.Thefollowinggov-ernmentactivitycodesmaybefoundintheDepartmentofDefense,StandardizationDirectorySD-1.2PreparingactivityCustodiansReviewactivitiesNavy-ASArmy-ATArmy-AVNavy-ASNavy-MC,SHAirForce-99AirForce–84DLA-GS1.4Classification—Annularballbearingsforinstrumentandprecisionrotatingcomponentsshallbeofthefollowingtypes,asspecified:1.4.1TypeI—Annularballbearing,forinstrumentsandprecisionrotatingcomponents,deepgroove,unflanged;(SeeAnnexA1–AnnexA4)1.4.2TypeII—Annularballbearing,forinstrumentsandprecisionrotatingcomponents,deepgroove,flanged;(SeeAnnexA5–AnnexA8)1.4.3TypeIII—Annularballbearing,forinstrumentsandprecisionrotatingcomponents,deepgroove,unflanged,innerringextended;(SeeAnnexA9–AnnexA12)1.4.4TypeIV—Annularballbearing,forinstrumentsandprecisionrotatingcomponents,deepgroove,flanged,innerringextended;(SeeAnnexA13–AnnexA16)1.4.5TypeV—Annularballbearing,forinstrum...