Min. internal grinding diameter - 0.5 mm Max. internal grinding diameter - 15 mm Grinding depth - 75 mm Centre height - 60 mm Distance between centres - 125 mm Max. work piece diameter - 80 mm Workpiece spindle speeds: - stepless - from - 150 rpm up to - 1500 rpm Spindle hole - 12 mm Taper in spindle: - 12 W grinding spindle: - Type - PRECISE Inner tapertype - SC 40 Grinding wheel speeds: - from - 60000 rpm up to - 120000 rpm Grinding table travel: - max - 225 mm Table speeds: - stepless - from - 1 m/min up to - 8 m/min Voltage 50 Hz3x - 380 Volt Workpiece spindle motor - 0.3 kW Machine's weight about - 570 kg Overall dimensions machine: - Length - 1200 mm Width - 800 mm Height - 1400 mm Various accessories: - Grinding wheel dressing device - Frontal grinding device - 3-jaw chuck diameter - 75 mm 3-jaw chuck diameter - 80 mm 4-jaw chuckdiameter - 80 mm Macnetic chuck diameter - 100 mm Centering microscop - Set of collets - Quick closing attachment - Driving plate - Lamp -