100:1 Metal Gearmotor 20Dx44L mm 6V CB
These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V 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.
no-load performance: 140 RPM, 150mA
Stall extrapolation: 5.4 kg⋅cm (75 oz⋅in), 2.9 A