The Micro Metal Gearmotor boasts a substantial D-shaped metal output shaft, measuring 0.365 inches (9.27 mm) in length, perfectly aligning with Pololu's 42x19mm and 32x7mm wheels. The brass faceplate adds durability and refinement to its construction, featuring two meticulously threaded mounting holes suitable for M1.6 screws (1.6 mm diameter, 0.35 mm thread pitch). For enhanced security and gear protection, the motor can be seamlessly mounted using the included mounting bracket or extended mounting bracket, purposefully crafted to enclose the exposed gears. The extended mounting bracket is particularly recommended for wheels with recessed hubs, such as the 42x19 mm wheel, ensuring a secure and tailored fit.

Specifications:

• Motor Speed (No Gearbox): Achieves an impressive 13,000 rpm for high-speed applications.
• Gear Ratio: Boasting a gear ratio of 50:1, this gearmotor combines speed and precision seamlessly.
• Motor Speed (with Gearbox): Maintains a reliable speed of 400rpm±10%, ensuring consistent performance.
• Rated Current: Draws a mere 55mA at 6V, showcasing energy efficiency without compromising power.
• Stall Current: Under heavy loads, the motor draws 350mA at 6V, demonstrating resilience and stability.
• Stall Torque: Yields a robust 0.39kg*cm of torque at 6V, providing the necessary strength for demanding tasks.

Package includes:

• Micro Metal Gearmotor x1