High Power Large Torque Motor 390 540 550 775 795 895 DC12V – 24V Ball Bearing
The 895, 795, 775, black 550, and blue 550 are equipped with ball bearings and built-in cooling fans, which automatically reduce heat, ensure service life, and ensure longevity. (The strong magnetic 550, 540, 390 motors are of copper sleeve structure, without fans or ball bearings).