Designation:F2443−04(Reapproved2012)StandardSpecificationforRoller,Bearing,Needle,Ferrous,Solid,SphericalEnd1ThisstandardisissuedunderthefixeddesignationF2443;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecificationcoversferrousneedlerollershavingsphericalends.1.2Spherical-endedneedlerollersdesignedtothisspecifi-cationareintendedforuseasbearingcomponents.Acomple-mentofrollersisrunonahardened(HRC58-65,seeTestMethodsE18)shaftandinahardened(HRC58-65)housingboretoformthebearing.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4ThisspecificationcontainsmanyoftherequirementsofMS19065,whichwasoriginallydevelopedbytheDepartmentofDefenseandmaintainedbytheDefenseSupplyCenterRichmond.ThefollowinggovernmentactivitycodesmaybefoundintheDepartmentofDefense,StandardizationDirectorySD-1.2PreparingactivityCustodiansReviewActivitiesDLA–GS4Army–ATNavy–MCNavy–OSAirForce–84AirForce–99DLA–GS42.ReferencedDocuments2.1ASTMStandards:3A295SpecificationforHigh-CarbonAnti-FrictionBearingSteelE18TestMethodsforRockwellHardnessofMetallicMa-terials2.2ABMAStandard:4ABMA4ToleranceDefinitionsandGaugingPracticesforBallandRollerBearings2.3ANSIStandard:5ANSI/ASQZ1.4SamplingProceduresandTablesforIn-spectionofAttributes2.4ASMEStandards.6ASMEB46.1SurfaceTexture,SurfaceRoughnessWavinessandLayASMEY14.5MDimensioningandTolerancing2.5ISOStandard:5ISO5593RollingBearings–Vocabulary2.6MilitaryStandard.7MIL-STD-129MarkingforShippingandStorageMIL-STD-130IdentificationMarkingofU.S.MilitaryProp-ertyMIL-DTL-197PackagingofBearing,AssociatedPartsandSubassemblies2.7SAEStandards:8SAEJ...
