Front and rear double ball bearings. High-power, low noise. . The front can be fixed with 2 screws. High-speed high torque DC motor, electric drill machine tools. Model Number: RS550 Power: 90W No-load Speed: 400-19500rpm Model: Two-speed 11 Teeth DC Motor Rotate Speed: 400-19500rpm Voltage: 18V Drill Maximum Diameter: 10mm Rated Power: 90W Rechargeable: Yes Colour: Silver Material: metal Package Contents: 1 x 11Teeth DC Motor Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
