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Gfrn55 Roller Type One-Way Freewheel Bearing Cam Clutch1
Special Bearing, Gfrn 55, Backstop Clutch
Changzhou Suma Precision Machinery Co., Ltd.
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Product Description Gfrn55 Roller Type One-Way Freewheel Bearing Cam Clutch Description of Gfrn55 Roller Type One-Way Freewheel Bearing Cam Clutch Types GFR,GFRN are roller type freewheels. They are bearing supported, using two 160.. series bearings, and require oil lubrication. These units may be used in designs providing oil lubrication and sealing as on the example overleaf. The bearings must not be axially stressed.Typically, types GFR,GFRN are used with the F series covers that are designed to transmit torque, and provide oil lubrication and sealing. Usually these covers are used in pairs according to combinations shown on the following pages. The outer race of the GFR model is plain to receive and center any component bored to H7 tolerance.Torque is transmitted by bolts through the cover plate in this case. Types GFR, GFRN are identical except that type GFRN has a keyway on the outside diameter to transmit the torque. Two paper seals are delivered with each unit to be placed between the outer race and cover plates.Parameter of Gfrn55 Roller Type One-Way Freewheel Bearing Cam Clutch TypeSize Overrunningspeeds Number WeightGFR GFRNdH7TKN1)nimax2)namax3)Dh7D2D4D3GtzL1LBt1bP10f [mm][Nm][min-1][min-1][mm][mm][mm][mm] [mm] [mm][mm][mm][mm][mm][mm][kg]12*554000720062204251?5.5-34220272.540.50.5151253600650068254756M583522832350.80.8201812700560075305564M5845734393.560.81252882100450090406878M61046035404811.53050017004100100457587M61066843484812.23572515503800110508096M612674455151013401025115034001255590108M81468653595121.54.6451125100032001306095112M81488653595.5141.54.7502125800280015070110132M81489464725.5141.57.2552625750265016075115138M10168104667261628.6603500650245017080125150M1016101147889718210.5705750550215019090140165M101610134951087.5202.513.58085005001900210105160185M1016101441001089222.518.290145004501700230120180206M122010158115125925328.5100200003501450270140210240M1624101821201311028342.5130312502501250310160240278M162412212152168113236515070000200980400200310360M20321224618019412364138NOTES1) T max = 2 × T KN2) Inner race overruns. Values without radial lip seals3) Outer race overruns. Values without radial lip sealsKeyway to DIN 6885.1*) GFR12 has through holes in outer raceMOUNTING EXAMPLE
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