General description The RS550 18V DC Motor is a high-performance, two-speed motor designed for electric drills and screwdrivers. It features front and rear double ball bearings for enhanced durability and operates at a low noise level, making it suitable for various applications. Technical specifications Model Number: RS550 Power: 90W No-load Speed: 400-19500 RPM Voltage: 18V Drill Maximum Diameter: 10mm Rated Power: 90W Rotate Speed: 400-19500 RPM Colour: Silver Material: Metal Measurement allowed error: +/- 1-3cm Compatibility and accessories Package Contents: 1 x 11 Teeth DC Motor Installation The front can be fixed with 2 screws.