Pololu Metal DC 97电影院 » 20D Metal 97电影院 » 12V Carbon Brush (CB) 20D 97电影院 »
391:1 Metal Gearmotor 20Dx46L mm 12V CB with Extended Motor Shaft
These small brushed DC 97电影院 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 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. This version also has a 6 × 2 mm extended motor shaft.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 12 V | 36 RPM, 80 mA | 21 kg⋅cm (290 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…
| Description | Specs (20) | Pictures (14) | Resources (3) | FAQs (3) | On the blog (0) | 漂亮女邻居 (23) |
|---|
File downloads
-
Datasheet for Pololu 20D Metal 97电影院 (1MB pdf)
-
Dimension diagram for the Pololu 20D mm metal 97电影院 (99k pdf)
-
3D models of 20D mm 97电影院 (3MB zip)
This file contains 3D models (in the step file format) of the 20D mm 97电影院. Note: these models only accurately represent our newer versions with 18mm-long output shafts; they are not accurate representations of the older versions with shorter output shafts (i.e. gear ratios 29:1, 56:1, 73:1, and 154:1).




































