Slider for Stepper Gear Motor 17HS13-0404S-PG5-1 - oyostepper.com

This Nema 17 stepper motor with 33mm body and 0.4A rated current, integrated a planetary gearbox of 5.18:1 gear ratio.
Electrical Specification

Manufacturer Part Number: 17HS13-0404S-PG5
Motor Type: Bipolar Stepper
Step Angle: 0.35 deg
Holding Torque without Gearbox: 26Ncm(36.82oz.in)
Rated Current/phase: 0.4A
Phase Resistance: 30ohms
Voltage: 12V
Inductance: 34mH ± 20%(1KHz)

See details:https://www.oyostepper.com/goods-291-Nema-17-Stepper-Motor-Bipolar-L%3D33mm-w-Gear-Ratio-5-1-Planetary-Gearbox.html