Gear unit EMGA. EMGA is a range of gears tailored to Festo stepper and servo motors. You can choose between spur-toothed planetary gear units or bevel gears. The planetary gear unit with gear ratios i = 3; 5; 8; 12; 20 can be combined with our servo motors EMME-AS and EMMT-AS and with the stepper motors of the EMMS-ST series. As a bevel gear unit, EMGA – with the …