The 120 mm steel sleeve bearing compatible with bearing numbers 6213 and 6311 features an approximate outer diameter of 126 mm with a tolerance of ±0.05 mm and a sleeve length of 70 mm. The 6213 deep groove ball bearing has an inner diameter of 65 mm, an outer diameter of 120 mm, and a width of 23 mm, designed for high rotational speeds up to 12,000 rpm (reference speed) and a limiting speed of 7,500 rpm. It supports radial loads with a basic dynamic load rating of 58.5 kN and static load rating of 40.5 kN, featuring steel construction and options for open, shielded, or sealed designs for durability and performance in industrial applications. The sleeve bearing provides precise fit and wear resistance for extended service life in rotary machinery.