>> P.434
J13Whentherigidityofthemountingpartsisnotsuffi-cient,stressconcentrationwilloccuratthecontactareabetweentherollersandraceways,andthebear-ingperformancewillbedeterioratedsignificantly.Therefore,itisnecessarytocarefullyexaminetherigidityofhousingandthestrengthoffixingboltswhenalargemomentwillbeapplied.Theshoulderheightdiameters(daandDa)thatarerelatedtomountingshouldcertainlysatisfythevaluesshowninthedimensiontables.Whenthesedimen-sionsareincorrect,deformationsofinnerandouterringswilloccurandthebearingperformancewillbedeterioratedremarkably.Fig.2Mountingexample●1Theinnerandouterringsshouldbesecurelyfixedintheaxialdirectionbyusingfixingplates,etc.Recommendedthicknessofthefixingplateis1/2ormoreofthebearingwidthB.Thedimensionsintheaxialdirectionofthehousingboreandthefixing■Mounting2.ountingHoledTypeHighRigidityCrossedRollerBearingsV,MountingHoledTypeSuperSlimCrossedRollerBearings1.OtherthanMountingHoledTypeCrossedRollerBearings●1MountingHoledTypeHighRigidityCrossedRollerBearingsV,MountingHoledTypeSuperSlimCrossedRollerBearingscanbemounteddirectlytothemount-ingsurfacebyfixingbolts.(SeeFig.3,Fig.4)●2Housingisprovidedwhenpositioningaccuracyisrequiredorwhenalargeradialloadormomentisloaded.(SeeFig.5)●3MountingHoledTypeHighRigidityCrossedRollerBearingsV,MountingHoledTypeSuperSlimCrossedRollerBearingshaveaplugforholeforinsertingcylin-dricalrollers.Whenmountingthebearings,locatetheplugatapositionthatisnotincludedinthemaximumloadingzone.Thepluglocationcanbefoundbythepinpressedatthesideoftheouterring.■OperatingTemperatureRangeTheoperatingtemperaturerangeforCrossedRollerBearingsis-20℃〜+120℃.However,themaxi-mumallowabletemperaturefortypeswithseparatorandwithsealis+110℃,and+100℃whentheyarecontinuouslyoperated.Example1 Whentheinnerringhas4oilholesCRBC10020/4OH C1 4OilholesIninnerringExample2 WhentheouterringhasasingleoilholeCRBC10020-OH C11OilholeInouterringplatesshouldbedeterminedtogetasecurefixingwhileconsideringthedimensionofbearingwidthwhichisgivenaminustolerance.(SeeFig.2)●2Thedepthofthehousingboreisrecommendedtobeequaltoorlargerthanthebearingwidth.●3SeparationpreventionboltsfortheouterringofStandardTypeCrossedRollerBearingsareprovidedtopreventseparationoftwohalvesoftheouterringduringtransportationormounting.Whenmounting,theyshouldbeloosenedslightly.●4HighRigidityTypeCrossedRollerBearingsV,SuperSlimTypeCrossedRollerBearingsandSlimTypeCrossedRollerBearingshaveaplugforholeforinsertingrollers.Whenmountingthebearings,locatetheplugatapositionthatisnotincludedinthemaxi-mumloadingzone.Thepluglocationcanbefoundbythepinpressedatthesideoftheouterring.Fig.3ExampleofdirectmountingtothematingsurfaceofMountingHoledTypeHighRigidityCrossedRollerBearingsVFig.4ExampleofdirectmountingtothematingsurfaceofMountingHoledTypeSuperSlimCrossedRollerBearingsFig.5ExampleofmountingtothehousingofMountingHoledTypeHighRigidityCrossedRollerBearingsV
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