>> P.480
K31■TypesInPILLOBALLs,thetypesshowninTable1areavail-able.LubricationTypePILLOBALLSphericalBushingsInsertTypePBThistypehassuperioranti-wearpropertiesandhighrigidity.Itconsistsofasphericalinnerring,anouterring,andabushingofspecialcopperalloywithsupe-riorrun-inpropertiesinsertedinbetween.Thespheri-calsurfaceoftheinnerringischromiumplatedafterheattreatmentandgrinding.Thistypeisassembledwithashaftandahousing.Whenespeciallylargeradialand/oraxialloadsareapplied,SphericalBushingswithmolybdenumdisul-fide(MoS2)treatedinnerandouterringsarerecom-mended.(SeepageK1.)LubricationTypePILLOBALLRodEndsInsertTypePHS(…A),POS(…A),PHSBandPOSBThistypehassuperiorwear-resistantandcorrosion-resistantpropertiesaswellashighrigidity.Itconsistsofasphericalinnerringofwhichthesphericalsurfaceischromiumplatedafterheattreatmentandgrinding,abodywithazincchromateplatedoutersurface,andaninsertedbushingofspecialcopperalloyhavingsuperiorrun-inproperties.PHS,whichhasafemalethreadinthebody,andPOS,whichhasamalethreadonthebody,areavailable.ForPHSandPOSsizes5to18,anAisappendedafterthedimensionsasamodelcode.LubricationTypePILLOBALLRodEndsDie-castTypePHSAThesphericalinnerringofthistypeismirror-finishedafterheattreatmentandisbuiltinabodyofspecialzincdie-castalloy.Theslidingsurfacesoftheinnerringandbodyareinclosecontactwitheachother.Thus,thistypeisaneconomicalrodendwithsuperioranti-wearandloadingproperties.Maintenance-freeTypePILLOBALLRodEndsPHS…EC,POS…ECThistypehassuperioranti-corrosionpropertiesasthebodyiszincchromatetreatedandthesphericalinnerringischromiumplatedonthespheresurfaceafterheattreatmentandgrinding.AspecialPTFEliner,reinforcedwithcopperalloymeshes,whichissuperiorinanti-wearpropertieswithlittlecreepdeformationisusedforliningontheslidingsurfaceofthebody,andthistypeismaintenance-free.PHS…EC,whichhasafemalethreadinthebody,andPOS…EC,whichhasamalethreadonthebody,areavailable.■IdentificationnumberTheidentificationnumberofPILLOBALLsconsistsofamodelcode,asizeandanysupplementalcodesasshownintheexamples.Examplesofidenti(cid:31)cationnumberExample1Example2ModelcodeSupplementalcodeSizePHS10TypeECLBorediameter(10mm)ModelcodeSizePB10TypeExample3Borediameter(10mm)Lefthandthread(2)ModelcodeSupplementalcodeSizePHSB10TypeNPBorediameter(10/16"=15.875mm)Withgreasenipple(1)Zerktype:NFFlashtype:NPTable1TypeTypeInserttypeDie-casttypePB-PHS(…A)・PHSBPHSAPOS(…A)・POSB-PHSECPOS…ECLubricationtypeMaintenance-freetypeRodendRodendfemalethreadfemalethreadmalethreadmalethreadSphericalBushingsNotes(1) ShapesofgreasenippleareshowninFig.1.Incaseofnoindicationofgreasenippletype,greasenippleisnotprepared.(2)Righthandthreadisindicatedwithnocode.
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