Pololu Metal Gearmotors » 20D Metal Gearmotors » 12V Carbon Brush (CB) 20D Gearmotors »
100:1 Metal Gearmotor 20Dx44L mm 12V CB
These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 12V brushed DC motor with long-life carbon brushes combined with a 100:1 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 specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 12 V | 140 RPM, 80 mA | 6.1 kg⋅cm (85 oz⋅in), 1.6 A |
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 12V Carbon Brush (CB) 20D Gearmotors.
| Description | Specs (20) | Pictures (14) | Resources (3) | FAQs (3) | On the blog (0) | Distributors (24) |
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20D mm metal gearmotor with precious metal brushes (left) next to a 20D CB version with long-life carbon brushes. |
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20D mm metal gearmotor precious metal brushes (left) next to 20D 6V CB and 12V CB long-life carbon brushes. |
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20D mm metal gearmotor CB with long-life carbon brushes. |
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20D mm metal gearmotor CB with long-life carbon brushes. |
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20D mm metal gearmotor with precious metal brushes. |
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20D mm metal gearmotor with precious metal brushes. |
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20D mm metal gearmotor with precious metal brushes and extended motor shaft. |
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20D mm metal gearmotor with a univeral aluminum mounting hub and mounted on a 20D mm metal gearmotor bracket. |
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Pololu 70×8mm wheel mounted to a 20D mm metal gearmotor using a universal aluminum mounting hub for 4mm shafts. |
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Dagu Wild Thumper wheel 120×60mm (metallic red) with Pololu 20D mm metal gearmotor. |
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Magnetic Encoder Kit for 20D mm Metal Gearmotors assembled on a 20D mm metal gearmotor with extended motor shaft. |
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Magnetic Encoder Kit for 20D mm Metal Gearmotors assembled on a 20D mm metal gearmotor with extended motor shaft. |
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Dimensions of the Pololu 20D mm metal gearmotors. Units are mm over [inches]. This diagram only applies to the listed gear ratios. |
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An assortment of Pololu metal gearmotors. |
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