31:1 Metal Gearmotor 20Dx41L mm 12V CB

Pololu's compact brushed DC gearmotors pack a powerful punch in a small package. This model features a 12V brushed DC motor, equipped with durable carbon brushes for extended lifespan. The motor is paired with a 31.25:1 metal spur gearbox. The cylindrical gearmotor measures 20mm in diameter, and the gearbox's D-shaped output shaft has a diameter of 4mm, extending 18mm from the face plate.

Key specifications of the gearmotor include a voltage of 12V, no-load performance of 450 RPM and 80 mA, and a stall extrapolation of 2.4 kg⋅cm and 1.6 A.

This gearmotor is versatile and can be used in a variety of applications. For example, it can be used in robotics, where its compact size and high power output are beneficial. The long-life carbon brushes ensure that the motor will last for an extended period, even with regular use. This makes it a reliable choice for projects that require a durable and efficient motor.

The 31.25:1 metal spur gearbox provides a good balance between speed and torque. This makes it suitable for applications that require a certain degree of precision and control. The D-shaped output shaft is designed for easy mounting of wheels and other mechanical components.

In summary, Pololu's 12V brushed DC gearmotor offers a compact yet powerful solution for numerous applications. The combination of a long-life motor and a robust metal gearbox ensures reliable and efficient performance.