>> P.221
D82MountingexamplesofNeedleRollerBearingswithSeparableCageareshowninFig.1.WhenmountingNeedleRollerBearingswithSeparableCage,itisnecessarytolocatetheneedlecageaxially.Theneedlecageisguidedbyshouldersoftheshaftandhousingorbysideplates,andtheirguidesurfacesmustbeheat-treatedandfinishedbygrindingatrightanglestotheshaftcentralaxis.Dimensionsrelatedtomountingareshowninthetableofdimensions.■Mounting■LubricationNeedleRollerBearingswithSeparableCagearenotprovidedwithprepackedgrease.Performproperlubricationforuse.Usingthemwithoutlubricationwillincreasethewearoftherollingcontactsurfacesandshortentheirlives.■OilHoleThedouble-rowtypeouterringshavebothanoilholeandanoilgroove,butthesingle-rowtypeouterringsdonot.Whenouterringswithanoilholearerequired,attach"-OH"beforetheclearancesymbolintheidentificationnumber,andwhenouterringswithbothanoilholeandanoilgroovearerequired,attach"-OG"tothesameposition.Example:NAF203517-OHC2P6Whenouterringswithmultipleoilholesorinnerringswithoilhole(s)arerequired,pleasecontactIKO.■FitRecommendedfitsforNeedleRollerBearingswithSeparableCageareshowninTables21to23onpagesA41andA42.■OperatingtemperaturerangeForsyntheticresincages,"N"isaddedattheendoftheidentificationnumber.TheoperatingtemperaturerangeforNeedleRollerBearingswithSeparableCageis-20〜+120˚C.However,themaximumallow-abletemperatureforsyntheticresincagesis+110˚C,andwhentheyarecontinuouslyoperated,itis+100˚C.■AccuracyNeedleRollerBearingswithSeparableCagearemanufacturedtotheaccuracybasedonJIS(SeepageA31.).TolerancesforthesmallestsinglerollersetborediameterofbearingswithoutinnerringarebasedonTable14onpageA33.Fig.1Mountingexamples■ClearanceRadialinternalclearancesofNeedleRollerBearingswithSeparableCagearemadetotheCNclearanceshowninTable18onpageA37.1N=0.102kgf=0.2248lbs.1mm=0.03937inchD
| < 
| 
> | 
>>
