Pololu Metal Gearmotors » 20D Metal Gearmotors » 12V Carbon Brush (CB) 20D Gearmotors »
156:1 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 156.3:1 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 | 89 RPM, 80 mA | 9.0 kg⋅cm (130 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 (1) | On the blog (0) |
|---|
 |
20D mm metal gearmotor with precious metal brushes (left) next to a 20D CB version with long-life carbon brushes. |
|---|
 |
20D mm metal gearmotor precious metal brushes (left) next to 20D 6V CB and 12V CB long-life carbon brushes. |
|---|
|
20D mm metal gearmotor CB with long-life carbon brushes. |
|---|
 |
20D mm metal gearmotor CB with long-life carbon brushes. |
|---|
 |
20D mm metal gearmotor with precious metal brushes. |
|---|
 |
20D mm metal gearmotor with precious metal brushes. |
|---|
 |
20D mm metal gearmotor with precious metal brushes and extended motor shaft. |
|---|
 |
20D mm metal gearmotor with a univeral aluminum mounting hub and mounted on a 20D mm metal gearmotor bracket. |
|---|
 |
Pololu 70×8mm wheel mounted to a 20D mm metal gearmotor using a universal aluminum mounting hub for 4mm shafts. |
|---|
 |
Dagu Wild Thumper wheel 120×60mm (metallic red) with Pololu 20D mm metal gearmotor. |
|---|
 |
Magnetic Encoder Kit for 20D mm Metal Gearmotors assembled on a 20D mm metal gearmotor with extended motor shaft. |
|---|
 |
Magnetic Encoder Kit for 20D mm Metal Gearmotors assembled on a 20D mm metal gearmotor with extended motor shaft. |
|---|
 |
Dimensions of the Pololu 20D mm metal gearmotors. Units are mm over [inches]. This diagram only applies to the listed gear ratios. |
|---|
 |
An assortment of Pololu metal gearmotors. |
|---|
Related products
Home | Forum | Blog | Support | Ordering Information | Wish Lists | Distributors | BIG Order Form | About | Contact
© 2001–2024 Pololu Corporation
