... device: 22mm, 32mm, 42mm, 52mm, 62mm,72mm,81mm,105mm 2) Gear ratio:i=3~512 Features: 1) Dimensions of device: 22mm ... in mini AC gear motors. At present, our main products are: gear motors, three phase motors, speed control motors, brake motors, dampingmotors, torque motors, and DC gear motors. They are ...