3.Front and rear double ball bearings, with heat dissipation impeller, stable speed, and easy to use. 1.755 DC motor, high speed, high power, sufficient power, low noise, and serviceable. 2.Adjustable speed, support forward and reverse rotation, power generation/power output two purposes. 4.Pure copper coil, strong continuous torque output, the torque is more than twice that of the normal motor. 5.Suitable for cutting machine, abrasive belt machine, milling machine, bench drill, polishing machine, lawn mower, engraving machine, etc., Weight: 1.26986262912 Pounds, Manufacturer: Kueohse