Internal Freewheels Fdfd20 Backstop with Sprags¹

Product Description                                                                         Internal Freewheels Fdfd20 Backstop with SpragsData SheetItemFDMaterial   GCr15Outer Diameter                               34-130 mmBore Size12-105 mmWeight0.1-0.7 kg Width16-35 mmPrecisionP0Delivery Time7-10daysApplicationGearbox,reducer,other machinesInternal Freewheels FDfor press fit on the outer ringwith sprags, available in three types FeaturesInternal Freewheels FD are sprag freewheels without an inner ring. The customer s hardenedand ground shaft is used as the inner track. The freewheels FD are used as: Backstops Overrunning Clutches Indexing FreewheelsThe standard type and type with P-grinding for increased service life and indexing accuracy donot have bearing support. In the case of the standard type, every second sprag has been bereplaced by a cylindrical roller; this freewheel can accept radial forces. Nominal torques up to 2 400 Nm. The torque is transmitted on the outer ring by press fit. Freewheel SizeTypeNominal t orqueMNNmMax. speedInner ring freewheels/overruns min-1Outer ring freewheels/overruns min-1TypeNominal t orqueMNNmMax. speedInner ring freewheels/overruns min-1Outer ring freewheels/overruns min-1bearing supportdynamic CNLoad rating ofstaticC0NTypeNominal t orqueMNNmJmmBmmDmmKmmWeightkgFD        12CFH114 2254 250CFR64 2254 2507 6004 200CFP5121634450,1FD        15CFH163 8753 925CFR83 8753 9257 8004 200CFP7152037500,1FD        20CFH283 3753 450CFR143 3753 4508 3204 200CFP12202042550,1FD        25CFH482 9003 050CFR242 9003 05010 7005 600CFP21252047600,1FD        30CFH752 5252 675CFR362 5252 67512 9007 000CFP32302052650,1FD        40CFH1601 9002 150CFR711 9002 15015 0008 400CFP71402262800,1FD        50CFH2601 4751 775CFR1201 4751 77518 40011 300CFP120502272950,2FD        65CFH4301 2001 550CFR2001 2001 55021 40014 100CFP2106525901200,3FD        80CFH6509501 350CFR3009501 35023 80017 800CFP32080251101400,6FD 105CFH2 4008001 175CFR1 1008001 17548 60045 000CFP1 200105351301650,7  Application exampleTwo Internal Freewheels FD 40 CFR of standard type with bearing support as overrunningclutches in the drive of the transport rollers in a packaging distribution unit. In normal oper ation, the transport rollers are driven by means of the freewheels that are working in drivingoperation. At the withdrawal station, the arriving packages can easily slip off as the driveis overrun by the freewheel (freewheeling operation).  MountingInternal freewheels FD in type standard and type with P-grinding are without bearing support.Concentric alignment of inner and outer ring must be provided by the customer. The permissible run out (T.I.R.) must be observed. The torque is transmitted on the outer ring bypress fit. In order to transmit the torques specified in the table, the outer ring must be accommodated in a housing with an external diameter K. The housing is made of steel or greycast iron in minimum quality GG-20. When using other housing materials or smaller externaldiameters, we urge you to contact us regarding the transmissible torque.The tolerance of the housing bore D must be ISO P6.The permissible operating temperature of thefreewheel is - 40°C to 80°C. LubricationAn oil lubrication of the specified quality must be provided.Example for orderingFreewheel size FD 12, standard type:? FD 12 CFH

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