125:1 Metal Gearmotor 20Dx44L mm 6V CB with Extended Motor Shaft

Pololu's compact brushed DC gearmotors pack a punch with their high power output, despite their small size. This particular model is equipped with a 6V brushed DC motor, which features durable carbon brushes for extended lifespan. The motor is coupled with a 125:1 metal spur gearbox, ensuring high efficiency and torque. The gearmotor itself is cylindrical, measuring 20mm in diameter, making it suitable for applications where space is a premium. The D-shaped output shaft is 4mm in diameter and extends 18mm from the faceplate of the gearbox, providing an easy and secure connection for your mechanical components. This model also boasts a 6mm x 2mm extended motor shaft, adding versatility for mounting different kinds of attachments or wheels.Key specifications for this gearmotor include a 6V voltage, no-load performance of 110 RPM at 150 mA, and a stall extrapolation of 6.4 kg⋅cm (89 oz⋅in) at 2.9 A. It's important to note that the gearbox torque limit is 5kg-cm. These specifications make this gearmotor an excellent choice for a variety of applications, from robotics to automation systems.The combination of power, efficiency, and compact size makes this gearmotor a unique and valuable addition to any project. Its long-life carbon brushes and robust metal gearbox ensure reliable, long-term operation, while its extended shaft provides additional mounting options. With its high torque and low power consumption, this gearmotor delivers exceptional performance in a wide range of applications.