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Φ4mm Planetary Gearbox (SMD Series)

PART NO.：ZWSMD004004

Diameter (mm)：4

Length (mm)：7.7~12.5

Max. Transmittable Power (W) ：0.17

Max. Continuous Torque (Nm)：0.015

Recommended Temperature Range（℃）：-40~+80

Bearing at Output ：ball bearing

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Gearbox Technical Data

Number of stages 1 2 3 4
Max. continuous torque (Nm) 0.001 0.002 0.006 0.015
Max. intermittent torque (Nm) 0.002 0.003 0.008 0.02
Reduction Ratio 4.8 23 110.6 531
Outer Diameter (mm) 4
Gearbox Length L1(mm) 7.7 9.3 10.9 12.5
Max. efficiency (%) 87 76 70 65
Recommended temperature range（℃） -40~+80 -40~+80 -40~+80
Weight（G） 1 1.2 1.3 1.5
Max. continuous transmittable power (W) 0.15 0.17 0.12 0.08
Max. intermittent transmittable power（W） 0.2 0.21 0.15 0.1
Average backlash no load (°) 5
Max. axial load (dynamic)（N） 5
Max. radial load（4mm from flange）(N) 3 3 4 4
Bearing at output Ball Bearing
Axial play (mm) 0~0.1
Maximum axial load capacity (N) 240

* Note: Data above does not include the motor. Specifications can be customized per customer requirements.

Recommended Models

PART NO. Rated Voltage
(V)		 No-Load Data Load Data Overall Length
(mm)		 Gearbox Rated Allowable Torque
(NM)		 Gearbox Intermittent Allowable  Torque
(NM)		 Reduction Ratio Gearbox Length L1(mm)
No-Load Speed
（rpm）		 No-Load Current
（mA max）		 Load Speed
（rpm）		 Load Current
（mA Max）		 Torque
（N.m）
ZWSMD004004-4.8-X 5 9375 140 6250 180 0.0002 16.2 0.001 0.002 4.8 7.7
ZWSMD004004-23-X 5 1957 140 1304 180 0.0003 17.8 0.002 0.003 23 9.3
ZWSMD004004-111-X 5 407 140 271 180 0.0015 19.4 0.006 0.008 110.6 10.9
ZWSMD004004-531-X 5 85 140 57 180 0.0069 21 0.015 0.02 530.8 12.5

The specifications above are for reference only. Changes may occur without prior notice. For specific requirements, please contact customer service.

Technical Illustration

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