... is less than 3 arcmin PS WPS SERIES,Planetary Gearbox,Planetary Gear Reducer,cylindrical external shell, small volume, ... end planPlanetary Gear Box,Planetary gear reducer,Planetary reducer,gearbox,gearmotor Featurescylindrical external shell, small volume, compact structure, ... Technical data Type: 40mm---400mm Ratio: 3--10,000 Transmission torque: 5Nm---16,000Nm precision grade:3 arcmin Installation: ...