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391:1 Metal Gearmotor 20Dx46L mm 6V
These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V brushed DC motor combined with a 390.6:1 metal spur gearbox. The gearmotor is cylindrical with a diameter of 20 mm, and the D-shaped output shaft is 4 mm in diameter and extends 18 mm from the face plate of the gearbox.
Key specs at 6 V: 36 RPM and 170 mA with no load, 260 oz-in (19 kg-cm) and 2.9 A at stall. Note: the gearbox torque limit is 70 oz-in (5 kg-cm); see detailed description for important product limitations.
Alternatives available with variations in these parameter(s): gear ratio motor type extended motor shaft? Select variant…
Compare all products in 6V Precious Metal Brush 20D Gearmotors.
| Description | Specs (10) | Pictures (14) | Resources (3) | FAQs (1) | On the blog (0) |
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Dimensions
| Size: | 20D × 46L mm |
|---|---|
| Weight: | 46 g |
| Shaft diameter: | 4 mm |
General specifications
| Gear ratio: | 390.625:1 |
|---|---|
| No-load speed @ 6V: | 36 rpm |
| No-load current @ 6V: | 170 mA |
| Stall current @ 6V: | 2.9 A1 |
| Stall torque @ 6V: | 260 oz·in1 |
| Extended motor shaft?: | N |
| Motor type: | 2.9A stall @ 6V |
Notes:
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