Milwaukee® 9 mm X 26 mm X 8 mm 2 Sealed Ball Bearing is designed for electric drills, grinders, 4 3/4" deep cut band saws, 120 mm deep cut band saws, two speed deep cut band saws, two speed deep cut band saws, reversing drills, single speed hole hawg® drills, two speed hole hawg® drills, two speed extended reach hole hawg® drills, bandsaws, speed control bandsaw, 7"/9" 6000 RPM grinder, 7" 8000 RPM grinder, 7"/9" 5000 RPM, 6000 RPM sanders, 6" straight grinders and two speed AC/DC bandsaw.