103H7853-7055
The 103H7853-7055 from Sanyo Denki has a 60 mm square frame and bipolar winding. Part of the StepSyn Stepping Motors series, it provides a 0.72° basic step angle and 0.75 A rated current. It delivers 1.37 N·m holding torque at 2-phase energization and a rotor inertia of 0.84×10^-4 kg·m^2.
Its motor length is 43.5 mm with NEMA23 (47.14 mm) interchangeable dimensions and a mass of 1.36 kg. The winding inductance measures 3.3 mH per phase. Connection is via a standard connector.