speed box Nema17 42mm Gearbox for Stepper Motor Servo Printer Lathe, 5mm 8mm Input Speed Ratio 4:1-100:1, Planetary Reducer High Precision reducer gearhead ( Size : Ratio 100 , Color : 5mm Input )

Reducer parameters:Speed Ratio: 1Stage(L1): 4:1/ 5:1 / 7:1 / 10:12Stage (L2):20:1 / 25:1 / 35:1/ 40:1/ 50:1/ 70:1/ 100:1 Product type:Helical GearPlanetary reducerMatching motor type:Nema17 Stepper motor,80mm/90mm Flange Servo motor Input size: 5mm/ 8mmBody length: 62 (L1) / 77mm (L2) Backlash Precision:Less than 7 Arcmin (L1)/ Less than 12 Arcmin (L2)Gear type:Helical Gear Rated torque:15Nm (5:1/ 20:1/ 25:1/ 35:1/ 50:1) ;13Nm(4:1/ 40:1)12Nm (7:1 / 70:1) ; 9Nm (10:1 / 100:1) Maximum torque: 1.5* Rated torqueEmergency braking torque: 2.5* Rated torqueMax radial force: 240NMax axial force : 220NMax input speed: 8000rpmRated input speed: 4000rpmTransmission efficiency: More than 96% (L1)/ More than 94% (L2) Noise: less than 58dBProtection level: IP65Certification:CEPackage Included :1X Planetary reducer

• Speed Ratio: 1Stage(L1): 4:1/ 5:1 / 7:1 / 10:12Stage (L2):20:1 / 25:1 / 35:1/ 40:1/ 50:1/ 70:1/ 100:1 .
• Input size: 5mm/ 8mm.
• Rated torque: 15Nm (5:1/ 20:1/ 25:1/ 35:1/ 50:1) ;13Nm(4:1/ 40:1); 12Nm (7:1 / 70:1) ; 9Nm (10:1 / 100:1) .
• Low friction motor, low operating noise , easy operation.
• High transmission efficiency, wide speed range, high precision.