Rotary hydraulic grinding machine, centre distance approx. 500 mm, centre height 150 mm, workpiecespindle turning speeds infinitely variabel 50 - 450 U/min. workpiece spindle taper MK 4, workpiece spindel swivellable 360°, workpiece spindle boring 24,5 mm, grinding wheel approx. dia. 350 x 70 mm.