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KStructuresofSphericalBushingsSteel-on-steeltypeSteel-on-steeltypeMaintenance-freetypeOuterring(MoS2coating)Innerring(MoS2coating)Outerring(MoS2coating)Innerring(MoS2coating)Seal(Polyurethane)OuterringSpecialPTFEliner(Reinforcedwihcopperalloymeshes)Innerring(Chromiumplating)OuterringSpecialPTFEliner(Reinforcedwihcopperalloymeshes)Innerring(Chromiumplating)Seal(Syntheticresin)K2■StructureandFeaturesthathavetherefore,operatewithlowintosteel-on-steelIKOSphericalBushingsareself-aligningsphericalplainbushingsinnerandouterringswithsphericalslidingsurfaces,andcantakealargeradialloadandabi-directionalaxialloadatthesametime.TherearemanytypesofSphericalBushings,buttheyarebasicallydividedtypesandmaintenance-freetypesaccordingtothekindofslid-ingsurfaces.Steel-on-steelSphericalBushingshaveinnerandouterringsofhighcarbonchromiumbearingsteel,ofwhichslidingsurfacesarephosphate-treatedandthendry-coatedwithmolybdenumdisulfide(MoS2).Theycan,torque,andhaveexcellentwearresistanceandlargeloadcapaci-ty.Theyareespeciallysuitableforapplicationswheretherearealternateloadsandshockloads.Theyhavewideapplicationsmainlyinindustrialandconstructionmachinery.Maintenance-freeSphericalBushingsconsistofanouterringwhichhasaspecialPTFElinerreinforcedwithcopperalloymeshesontheslidingsurface,andasphericalinnerringofwhichslidingsurfacehasahardchromiumplating.Creepdeformationduetocompressiveissuperior.theyaremaintenance-freeandcanbeusedforextendedperiodsoftimewithoutre-lubri-cation.Theyareespeciallysuitableincaseswherefixeddirectionalloadsareappliedandareusedmain-lyfoodprocessingmachinesandconstructionmachineryandinotherapplicationsinwhichtheuseofoilisundesirableorlubricationisnotpossible.issmall,andwearresistanceloadThus,in■TypesSphericalBushingsareavailableinvariousshowninTable1.typesMaintenance-freetypeTable1TypeofbearingTypeSteel-on-steelMaintenance-freeSeriesWithoutsealsWithsealsWithoutsealsWithsealsGE… ECGE… EC-2RS----GE…ES-2RSGE…GS-2RSSBB… -2RSSBSB…AGE…E,ESGE…G,GSSBBMetricInch
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