SS2421-5041
The SS2421-5041 from Sanyo Denki features a 1.8° step angle and 0.083 Nm holding torque. Part of the F SANMOTION Stepping Motors series, it has 3.5 Ω phase resistance and 1.2 mH inductance. This NEMA 17 device is 42 x 11.6 mm and weighs 0.07 kg.
It provides 200 steps per revolution and runs from -10°C to +50°C. The 5 mm shaft uses two ball bearings for smooth motion. With IP40 protection and a 30 cm lead wire, it integrates easily.