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H4■FitTherecommendedfitsbetweenInnerRingsandshaftsareshowninTable22onpageA42.■OilHoleThenumberofoilholesisshowninTable8.WhenInnerRingswithanoilholeareespeciallyrequiredforamodelwithoutanoilhole,attachan"OH"totheendoftheidentificationnumberwhenordering.Example:LRT202420OHForInnerRingswithmultipleoilholes,pleaseconsultIKO.Table5TolerancesofoutsidediameterofinnerringModelcodeToleranceIRTIRBLRT,LRTZLRB,LRBZ…Bg50〜-13BasedonTable6BasedonTable7unit:μmTable7TolerancesofoutsidediametersofLRBandLRBZ … BNominaloutsidediameterofinnerringmmOverIncl.ToleranceHighLow-18.03425.90830.22635.05250.03880.010100.07618.03425.90830.22635.05250.03880.010100.076102.108-13-18-23-23-25-28-32-37-23-30-36-38-41-46-56-66unit:μmTable8Numberofoilholes BearingtypeNumberofoilholesForShellTypeNeedleRollerBearingsForGeneralUsageMetricseriesInchseriesMetricseriesInchseriesIRTIRBLRTLRTZLRBd≦76.20076.200<dLRBZ…B0000121Borediameterofinnerring dmmRemark Innerringswithanoilholeareprovidedwithanoilgroove.FOutsidediameterofinnerringmm80<F≦120120<F≦180180<F≦250250<F≦315315<F≦400400<F≦500HighLowHighLowHighLowHighLowHighLowHighLowdBorediameterofinnerringmmOverIncl.-243040506580100120140160180200225250280315355400450243040506580100120140160180200225250280315355400450500unit:μm-107-127-182-68-83-128-87-107-54-69-46-66-25-40-22-37-7-17-14-14- 4-27-32-17-55-86-142-152-122-202-222-172-52-27H
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