Zhaowei Machinery & Electronics Co., Ltd.

4.3mm Stepper Motor

Load Current
Rated Speed
Rated Torque Max. (
Rated Torque Max. (mNm)
Reduction Ratio
Overall Length

Gearbox Specifications:

Bearing Porous bearing
Axial Endplay ≤0.3mm
Radial Loading on Output Shaft ≤0.3N
Operating Temperature -20℃ ~ +85℃


Gearbox Stages 1 2 3 4
Reduction Ratio 5 25 125 625
Max Rated Torque ( max) 70 70 70 70
Max Instant Torque ( max) 200 200 200 200
Gearbox Efficiency 85 73 65 58
Length 6.18 7.67 9.17 10.72


4mm gearbox drawing

Motor Specifications:

Motors (Optional) Stepper motor
Voltage (Optional) 1.5-5V
Input Speed ≤10000rpm
Current 50mA max

Performance Data:

Model Speed at 2000pps Max Rated Torque Max Instant Torque Reduction Ratio Length Overall Length
  rpm   mm mm
ZWBMD004004-6 1000.0 140 400 6 6.18 11.78
ZWBMD004004-36 166.6 140 400 36 7.67 13.27
ZWBMD004004-216 27.7 140 400 216 9.17 14.77
ZWBMD004004-1296 4.6 140 400 1296 10.72 16.32

* The above specifications are subject to change without prior notice. They are for reference only and can be customized as required.

Stepper Gear Motor Products

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