>> P.30
IdentificationNumber4CagesymbolTheidentificationnumberofIKOBearingsconsistsofamodelnumberandsupplementalcodes.Thedescriptionsoftypicalcodesandtheirarrangementsareshownbelow.TherearemanycodesotherthanSeethosedescribed.thesectionofidentificationnumberofeachbearing.SymbolDescriptionsNVMadeofsyntheticresinNocageorfullcomplement5SealorshieldsymbolTable10ArrangementofidentificationnumberofbearingSymbolDescriptionsZZZUUUS(1)2RSWithdustcoverWithshieldsonbothsidesWithasealononesideWithsealsonbothsidesWithThrustDiskSealsWithsealsonbothsidesNote(1) ThrustDiskSealsareembeddedonbothsides.6BearingringshapesymbolSymbolNROH(1)JDescriptionsWithstopringonoutersurfaceofouterringWithoilholeinbearingringNooilholeNote(1) Thisdiffersdependingonthetypeofbearing.Seethesectionofeachbearing.7ClearancesymbolSymbolC2(None)C3C4C5T1C1C2DescriptionsC2clearanceCNclearanceC3clearanceC4clearanceC5clearanceSpecialradialclearance(ApplicabletoCrossedRollerBearings)ModelnumberSupplementalcodeModelcodeBoundarydimensionsMaterialsymbolCagesymbolShieldsymbolSealsymbol,BearingringshapesymbolClearancesymbolClassificationsymbol12345678Modelcode1Themodelcoderepresentsthebearingseries.ThefeaturesofeachbearingseriesareshownonpagesA5toA15.Boundarydimensions2Oneofthefollowingfourkindsofpresentationmeth-odsisusedforshowingboundarydimensionsintheidentificationnumber,whichvarydependingonthebearingseries.thepresentationmethodsofboundarydimensionsforeachmodelcode.Table11shows(a)Dimensionseries+Borediameternumber(b)Borediameterorrollersetborediameter+Outsidediameterorrollersetoutsidediameter+Width(c)Borediameterorrollersetborediameter+Width(d)Basicdiameter3MaterialsymbolSymbolTypeofmaterialFStainlesssteelforbearingringsandrollingelementsA27
| < 
| 
> | 
>>
