... marl Crushing materialsMedium hardness ore, limestone, chalk, chamotte,etc.Roller size(mm)Ø750X500Ø900X700Feeding size(mm)30Capacity (t/h)When ... .5-6lower active roller308-9When it’s turning1511-12Upper roller motorTypeYD180L-8/4Rotation speed (rpm)When it’s crushing980Power ... (kw)11/17Lower roller motorTypeY200L1-6When it’s turning480Power(kw)18.5Roller rotation ...