Micro Planetary Gearbox DC Motor For DIY Robots High Torque At 3V To 5V Low Voltage Builds With 110 135 154 180 RPM Variants 9.9 mm Gearbox Diameter 8 By 10 By 12 mm Motor Size NW 9161C 5 Pack
✔️ 5-Pack, 8x10x12mm motor, 9.9mm gearbox, 1:171 ratio, 110-180 rpm
These compact gearmotor modules pair a micro planetary gearbox with a small DC motor, designed for low-voltage operation on 3 to 5 V systems. They’re ideal for DIY robotics, micro-automation, and compact motion projects.
✅ Gearbox outer diameter: 9.9 mm
✅ Motor size: 8x10x12 mm (M10)
✅ Geared motor height: 19.5 mm (motor + gearbox)
✅ Output shaft: 5.35 mm diameter, 11 teeth
✅ Reduction ratio: 1:171
✅ Speed at voltages: 110 rpm @3V; 135 rpm @3.7V; 154 rpm @4.2V; 180 rpm @5V
✅ Current at voltages: 42 mA @3V; 48 mA @3.7V; 52 mA @4.2V; 58 mA @5V
✅ Weight: 4 g
✅ No-load current: 40 mA
✅ No-load speed: 92 rpm
✅ Rated torque: 9.8 mN m
✅ Maximum torque: 37.2 mN m
💡 What is a planetary gear motor used for in small robotics? This handy drive helps pack high torque into tight spaces and enables precise control.
- high torque in compact package for micro robotics
- handy for hobbyists needing reliable, compact drive at 3-5 V
- ideal for DIY robotics arms, grippers, and camera rigs
- 1:171 reduction provides precise slow-motion drive