This RS550 DC motor is a versatile powerhouse designed for electric drills, drivers, and cordless screwdrivers. Featuring impressive no-load speeds ranging from 21,500 to 29,000 RPM across different voltage settings (10.8V to 25V), this micro motor delivers reliable performance for your power tools. The robust construction includes front and rear double ball bearings for smooth operation and extended lifespan, while its compact size of 3.15 x 1.57 x 1.61 inches makes it perfect for various applications. The motor shaft measures 12mm in length with a 3.2mm diameter, and the unit can be securely mounted using two M4 screws. Weighing just 7.05 ounces, this motor combines power with portability. It operates with minimal noise despite its substantial 60W output power and 1N.m torque. The motor features a practical installation hole distance of 25mm and includes brush commutation for consistent power delivery. This replacement motor is an ideal choice for DIY enthusiasts and professionals looking to repair or upgrade their power tools.