NEMA size 8 (20 mm)
hybrid stepper motor

 

Specifications Please consult your authorized sales representative for custom specifications.

Motor Holding Torque (Nm) Current (A) Resistance (Ω) Step Angle (o) Rotor Inertia (gfcm2) Weight (kg) Motor Length (mm) Inductance (mH)
8H2028-050-4A 0.018 0.5 5.8 1.8 2.5 0.05 28 2.0
8H2038-050-4A 0.03 0.5 6.0 1.8 3.3 0.08 38 2.6

Drawing

NEMA 8 Rotary Stepper Motor Drawing

Speed Torque Curve

NEMA 8 Rotary Stepper Motor Speed Torque Curve

Encoders

NEMA 8 Encoder Options

Gearbox Option

22mm Gearbox Option

Frame Material Metal
No Load Backlash
Bearings Sleeve Bearing
Ratio Rated Torque
(Kgf-cm)
Limit Torque
(Kgf-cm)
Stages Efficiency
(%)
Length
(mm)
Mass
(g)
4 0.3 0.9 1 81 16.3 29.1
15 0.5 1.5 2 66 16.3 30.1
20
107 1 3 3 53 19.5 36