Stepper motor NEMA 23: 200 Steps, 56x56mm, 3,0A - Watterott electroni
Stepper Motor NEMA Sizes
Guide to NEMA 17 Stepper Motor Dimensions, Wiring Pinout
Ball Screw Linear Stepper Motor Actuator - NEMA 17 with 8X12 Ball Screw - Flanged Nut - Ball Screw Stepper Motors Linear Actuators | Acme Screw, Lead Screws, linear actuators, hybrid stepper actuators | Helix Linear Technologies
Sizing: stepper motor physical size - Novanta IMS
AC Synchronous Stepper Motors - AC Synchronous Motors | Electromate
Pololu - Dimensions (in mm) of 57mm square (NEMA 23) by 76mm stepper motor.