>> P.221
1N=0.102kgf=0.2248lbs.1mm=0.03937inchD■AccuracytoNeedleRollerBearingswithSeparableCagearemanufacturedtheaccuracybasedonJIS(SeepageA31.).TolerancesforthesmallestsinglerollersetborediameterofbearingswithoutinnerringarebasedonTable14onpageA33.■ClearanceRadialinternalclearancesofNeedleRollerBearingswithSeparableCagearemadetotheCNclearanceshowninTable18onpageA37.■Fit■MountingMountingexamplesofNeedleRollerBearingswithSeparableCageareshowninFig.1.WhenmountingNeedleRollerBearingswithSeparableCage,itisnecessarytolocatetheneedlecageaxially.Theneedlecageisguidedbyshouldersoftheshaftandhousingorbysideplates,andtheirguidesurfacesmustbeheat-treatedandfinishedbygrindingatrightanglestotheshaftcentralaxis.Dimensionsrelatedtomountingareshownintableofdimensions.thefitsRecommendedSeparableCageareshownpagesA41andA42.forNeedleRollerBearingswithinTables21to23on■LubricationNeedleRollerBearingswithSeparableCagearenotprovidedwithprepackedgrease.Performproperlubricationforuse.Usingthemwithoutlubricationwillincreasethewearoftherollingcontactsurfacesandshortentheirlives.■OilHoleWhenouterThedouble-rowtypeouterringshavebothanoilholeandanoilgroove,butthesingle-rowtypeouterringsdonot.ringswithanoilholearerequired,attach"-OH"beforetheclearancesymbolintheidentificationnumber,andwhenouterringswithbothanoilholeandanoilgroovearerequired,attach"-OG"tothesameposition.Example:NAF203517-OHC2P6Whenouterringswithmultipleoilholesorinnerringswithoilhole(s)arerequired,pleasecontactIKO.■OperatingtemperaturerangeForsyntheticresincages,"N"isaddedattheendoftheidentificationnumber.TheoperatingtemperaturerangeforNeedleRollerBearingswithSeparableCageis-20〜+120˚C.However,themaximumallow-abletemperatureforsyntheticresincagesis+110˚C,andwhenis+100˚C.theyarecontinuouslyoperated,itFig.1MountingexamplesD82
| < 
| 
> | 
>>
