Ribon RUR.800 Universal Cylindrical Internal Grinder (1994) Grinding diameter : 320 mm. Grinding length : 800 mm. Centre height : 160 mm. Grinding wheel size : 35 x 360 mm. Speeds of grinding spindle : 1700 U/min. Power capacity – grinding motor : 4,0 kW. Turning speed range – workpiece spindle : 35 – 310 U/min. Grinding spindle head – swiveling : + – 90 °. Grinding head swiveling : -30 / +90 °. Workpiece weight max. : 70 kg. Voltage : 380 V. Total power requirement : 5,5 kW. Weight of the machine ca. : 2000 Kg. Dimensions of the machine ca. : 2,40 x 1,30 x 1,50 m