Features: The housing is made of metal with precise molding and a sturdy structure. Pure copper coils offer low current draw, high efficiency, and high output power. Excellent heat dissipation performance, with a fan for effective cooling and stable operation. It is a suitable replacement for worn or damaged motors in power tools. Easy to install, it can be securely mounted from the front using two M3 screws. Compatible with electric chainsaws, reciprocating saws, cordless hand saws, and similar tools. Model: RS550 Voltage: 18V No-load speed: 25000 RPM No-load current: 1.2A Operating current: 7.5A Torque: 442 g·cm Output power: 98.6 W Type: Mini DC Motor Commutation: Brush Product Name: RS550 Mini DC Motor Shaft diameter: 3.2 mm Shaft length: 75.1 mm Output shaft length: 12 mm Diameter: 37.2 mm Gear diameter: 8.2 mm Gear thickness: 6.8 mm Mounting hole spacing: 25 mm Color: Silver Material: Metal Package Contents: 1 x RS550 Mini DC Motor Note: Color may vary slightly due to lighting and screen settings. Measurements are subject to a tolerance of ±1–3 mm.