Min. internal grinding diameter: 5 mm. Max. internal grinding diameter: 120 mm. Grinding depth: 160 mm. Centre height: 130 mm. number (steps): 6. from: m/min. up to: 20 m/min. Max. angle: 0 - 45 °. Spindle hole: 30 mm. min.: 2 mm. max: 550 mm. Voltage 50 Hz 3x: 380 Volt. Drive for internal grinding spindle: 9 kW. Machine's weight about: 1500 kg. Length: 2200 mm. Width: 1700 mm. Height: 1800 mm. numbers: 2. max. speed: 60000 t/min.