Min. internal grinding diameter: 1 mm. Max. internal grinding diameter: 50 mm. Grinding depth: 200 mm. Centre height: 132 mm. from: 16500 t/min. up to: 10 m/min. Max. angle: 90 °. Voltage 50 Hz 3x: 380 Volt. Workpiece spindle motor: 0.8 kW. Drive for internal grinding spindle: 3 kW. Machine's weight about: 2000 kg. Length: 1800 mm. Width: 1000 mm. Height: 1800 mm. numbers: 1. max. speed: 33000 t/min.