А таких сведений по первому двигателю не достаточно? motor-bipolar stepper:STH-55D226-03 Shinano Kenshi Stepping motor with metal gear
This is a 1.8 degree stepper motor with a metal gear. It was pulled from a printer assembly. It is perfect for CNC, automation robotics or remote control applications.
Specifications
Nominal Voltage 5
Current 0.5
Wires 4
Condition pulled
Steps / Revolution 200
Step Size (degrees) 1.8
NEMA frame size 23
QTY available 1
Взято отсюда: http://www.motors.wrobots.com/STH-55D226-03.php