3039-POLOLU 50:1 Micro Metal Gearmotor HPCB 12V
This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 51.45:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.
Key specs at 12 V: 625 RPM and 100 mA with no load, 15 oz-in (1.1 kg-cm) and 0.8 A at stall.
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