... cylindrical roller is in the linear contact with the bearing race and has a large loading capacity, capable of carrying large ... ; therein, the four-row cylindrical roller bearing is mainly applied to the rolling mill. Inner diameter: 20-1300 mm Model for single ... series Seal: Z, 2Z, RS, 2RS, RZ, 2RZ, ZN, 2ZN inner packing: Individual paper boxes, industrial packing. Outer packing: Standard export ...