cold rolling mill φ180/φ350×350 Four rollers reversible cold rolling mill1. Rolling conditions1. Material: excellent steel, carbon steel, ... width of roll surface: φ180×350, Material: 9Cr2Mo, Bearings: compound tiles, needle bearingb. Roller bearing track× roller surface ... width: φ350×320mm, Material: 9Cr2Mo, Bearings: exclusive use of FCD mill bearingsc. Lubrication way of bearing: Grease lubricationd ...