Max. work-piece height: 80 mm. Number of grinding heads: 2. outside diameter: 300 mm. inside diameter: 233 mm. Width / height: 50 mm. from: 1530 t/min. up to: 24 m/s. driving plate:: 29.6 - 192 mm/s. Voltage: 380 Volt. Machine's weight about: 2500 kg. Length: 3050 mm. Width: 1400 mm. Height: 1600 mm. Measuring instrument: PRETEC.