Mill rolls. Rolls for rolling mills
Cogging mill 2,22,7; Section rolling mills 1,62,5; Plate mills 2,02,8; 4hi mills a) 35 (for work rolls); b) 0,92,5 (for back up rolls). Roll neck length usually equals to roll diameter. Diameter of roll necks with antifriction and friction (close type) bearings shall be in accordance with design.