Autonics 5 Phase,NEMA 34 / 85mm Frame Stepper Motor,Hollow Motor Shaft Design,2.8 Amps per Phase – AH63K-G5913
Ideal for indexing and other rapid positioning applications, this stepping motor is for locations with limited space and where a high-speed, high-torque motor is required. It presents no maintenance or communication problems, as can be found with servo motors. The required motor driver and motion controller are available separately.