500w Brushless Spindle Motor ER11 DC Motor for CNC Milling with Power Supply Driver 55MM Clamp Bracket ER11 Collets ,Efficient Performance

500w DC motor is a high-precision, high-efficiency brushless motor. Using high-quality 6002ZZ and 6900ZZ bearings, the maximum speed can reach 12,000 rpm. It is and suitable for milling aluminum, wood, acrylic and pcb. Potentiometer:Adjust the speed via potentiometer directly, potentiometer come with the driver. The ER11 and the rotor all in one, high-precision, high-efficiency.