391:1 Metal Gearmotor 20Dx46L mm 12V CB with Extended Motor Shaft

Pololu presents a compact yet powerful brushed DC gearmotor. This model features a 12V brushed DC motor with long-life carbon brushes and a 390.6:1 metal spur gearbox. Despite its small size, it packs a punch with a cylindrical body of 20mm in diameter. The gearmotor's D-shaped output shaft measures 4mm in diameter and extends 18mm from the face plate of the gearbox. An additional feature of this model is a 6x2mm extended motor shaft.

Key specifications of this gearmotor include a voltage of 12V, a no-load performance of 36 RPM and 80 mA, and a stall extrapolation of 21 kg⋅cm (290 oz⋅in), 1.6 A. Please note that the gearbox torque limit is 70 oz-in (5 kg-cm).

This gearmotor is ideal for various applications that require a high torque in a compact size. It can be used in robotics, automation systems, and miniature mechanisms. The long-life carbon brushes ensure the gearmotor's durability and longevity, providing reliable and consistent performance.

What sets this Pololu gearmotor apart is its extended motor shaft and the combination of a high-power brushed DC motor with a robust metal spur gearbox. This unique combination allows for excellent power transmission and high load-bearing capacity. The compact size and cylindrical shape make it easy to integrate into a variety of designs. The D-shaped output shaft further ensures secure and slip-free connection to the driven components.

In conclusion, this Pololu gearmotor is a powerful and compact solution for applications requiring high torque. Its unique design and features make it a reliable and versatile choice for your project's needs.