McLennan Servo Supplies 12 V 2.9 W Servo Motor, 3000 rpm, 1.5 Ncm Max Output Torque, 3mm Shaft Diameter - 9904 120 18105

29mm Dia. Model 9904. Precious metal commutation for long life and minimum power consumption Skewed low inertia ironless rotor for rapid acceleration and optimum control Low speed/high torque for low audible noise Ideal for wide range of instrumentation drives Suitable for use with RS Synchronous Gearbox