Pololu 156:1 Metal Gearmotor 20Dx44L mm 12V w/ Extended Motor Shaft

• Pololu 156:1 Metal Gearmotor 20Dx44L mm 12V w/ Extended Motor Shaft
• Compact and powerful with a 12V brushed DC motor
• Features a 156.25:1 metal spur gearbox for high torque
• Offers a wide range of gear ratios from 25:1 up to 488:1
• Compatible with a magnetic encoder kit for speed or position feedback

The Pololu 156:1 Metal Gearmotor 20Dx44L mm 12V w/ Extended Motor Shaft is a compact brushed DC gearmotor that packs a significant amount of power for its diminutive size. This model features a 12V brushed DC motor, equipped with durable carbon brushes, and a 156.3:1 metal spur gearbox. The gearmotor is cylindrical, measuring 20mm in diameter. The output shaft, which is D-shaped, measures 4mm in diameter and extends 18mm from the face plate of the gearbox. This model also includes a 6x2mm extended motor shaft.

The key specifications of this gearmotor include a voltage of 12V, a no-load performance of 89 RPM, 80 mA, and a stall extrapolation of 9.0 kg⋅cm (130 oz⋅in), 1.6 A. The gearbox torque limit is 70 oz-in (5 kg-cm).