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120:1 Mini Plastic Gearmotor HP, Offset 3mm D-Shaft Output, Extended Motor Shaft
This compact, inexpensive plastic gearmotor (high-power brushed DC motor with a 120:1 reduction gearbox) is well suited for use in small robots. While intended for operation at 4.5 V, it should run comfortably in the 3 V to 6 V range. The gearbox has a 9.7mm-long, 3 mm-diameter D-shaped output shaft that is offset from but parallel to the motor shaft, and a built-in safety clutch helps protect the gears from excessive loads. This version also has a 5×1.5 mm extended motor shaft.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 4.5 V | 150 RPM, 130 mA | 1.8 kg⋅cm (25 oz⋅in), 1.25 A |
Compare all products in Plastic DC Gearmotors or Romi Chassis Components.
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File downloads
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dimension diagram: offset 3mm D-shaft and extended motor shaft version HP (184k pdf)
Dimension diagram of the mini plastic gearmotor HP with offset 3mm D-shaft output and extended motor shaft.
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