The gearhead GB C is a spur reduction gearhead with 37mm OD & OFF centre shaft meant specially for DC motors with diameters up to 36 mm. It is possible to mount 2 series synchronous and stepper motors. It is also possible to mount 3 series motors on special request only. It has a possibility of 2 to 8 stage reduction with initial stages are poly-acetal gears & final stages will be steel sintered .All bearings are permanently lubricated & therefore require no maintenance. Motor is attached to gear box by means of screws. The nominal torque rating for this gearhead is 0.5 Nm with peak torque range up to 0.8 Nm.This gear head is been catagorised in 3 different housing sizes as per gear reduction for 4 , 6 & 8 stages.