R506B-012E
The Sanyo Denki R506B-012E is a precision DC servo motor from the Super DC Servo Motors series delivering 60W with 0.19Nm rated torque at 3000rpm. It runs on 75V at 1.2A and features a 0.183Nm/A torque constant, low 0.02Nm friction torque, rotor inertia of 0.000013kgxm^2 and a mass of 0.65kg.