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HTherecommendedshaftsareshowninTable22onpageA42.fitsbetweenInnerRingsand■OilHoleThenumberofoilholesisshowninTable8.WhenInnerRingswithanoilholeareespeciallyrequiredforamodelwithoutanoilhole,attachan"OH"totheendoftheidentificationnumberwhenordering.Example:LRT202420OHForInnerRingswithmultipleoilholes,pleaseconsultIKO.Borediameterofinnerring dmmNumberofoilholes0000121d≦76.20076.200<d BearingtypeForShellTypeNeedleRollerBearingsForGeneralUsageMetricseriesIRTInchseriesMetricseriesInchseriesIRBLRTLRTZLRBLRBZ…BRemark Innerringswithanoilholeareprovidedwithanoilgroove.Table8NumberofoilholesModelcodeIRTIRBLRT,LRTZLRB,LRBZ…BToleranceg50〜-13BasedonTable6BasedonTable7Table7TolerancesofoutsidediametersofLRBandLRBZ … Bunit:μmNominaloutsidediameterofinnerringmmToleranceOver-18.03425.90830.22635.05250.038Incl.18.03425.90830.22635.05250.03880.01080.010100.076100.076102.108High-13-18-23-23-25-28-32-37Low-23-30-36-38-41-46-56-66Table5Tolerancesofoutsidediameterofinnerringunit:μm■FitOutsidediameterofinnerringmmF80<F≦120120<F≦180180<F≦250250<F≦315315<F≦400400<F≦500unit:μmdBorediameterofinnerringmmIncl.243040506580100120140160180200225250280315355400450500H4HighLowHighLowHighLowHighLowHighLowHighLowOver-243040506580100120140160180200225250280315355400450-68-83-128-107-127-182-122-142-152-172-202-222- 4-14-14-17-27-32-7-17-27-22-37-52-25-40-55-46-66-86-54-69-87-107
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