Min. internal grinding diameter - 0.8 mm Max. internal grinding diameter - 30 mm Grinding depth - 1 - 100 mm Centre height - 185 mm Distance between centres - 200 mm Workpiece spindle speeds: - number (steps) - 3 from - 550 rpm up to - 800 rpm Spindle hole - 20 mm Taper in spindle: - 25 W Grinding spindle speeds: - from - 30000 rpm up to - 45000 rpm Grinding table travel: - min. - 1 mm max - 100 mm Table speeds: - stepless - up to - 5 m/min Voltage 50 Hz3x - 380 Volt Machine's weight about - 610 kg Overall dimensions machine: - Length - 1450 mm Width - 760 mm Height - 1600 mm Various accessories: - Redressing device - Coolant system -