The 70 mm steel shaft sleeve bearing compatible with bearing numbers 6014, 6214, and 6314 features a sleeve length of 75 mm and is available in undersize options of 2 mm, 3 mm, and 4 mm for precise fitment. These sleeve bearings are designed for durability and accurate alignment in rotating machinery. The 6014 bearing typically has a bore diameter of 70 mm, an outer diameter of 110 mm, and a width of 20 mm, with dynamic load ratings around 38,000 N and maximum speeds up to 13,000 rpm depending on the manufacturer. The sleeves are made of steel, ensuring strength and wear resistance for industrial applications.