Specifications Power: 2.2 KW Voltage: 220V Frequency: 400 Hz Speed: 24000 R/min Runout off: Less than 0.01 mm Collet Size (Dia.): 0.005' / 0.02' / 0.24' (0.125 mm / 0.5 mm / 6 mm) Connection of Spindle End: ER20 ø 0.125'-0.5' (3.175 mm-12.7 mm) Bearing Model: 7005 x 2, 7002 x 2 Maximum Torque: 1.2NM Product Dimension: 2.4 x 10.3 in / 6.2 x 26.1 cm Weight: 13.2 lbs / 6 kg Package Content 1 x Air Cooled Spindle Motor 2 x ER20 Collets 2 x Wrenches