The 72 mm steel sleeve bearing compatible with bearing numbers 6207 and 6306 features an outer diameter of approximately 76 mm with a tolerance of ±0.05 mm and is available in lengths of 30 mm, 40 mm, or 50 mm. The 6207 deep groove ball bearing has an inner diameter of 35 mm, an outer diameter of 72 mm, and a width of 17 mm, designed for high rotational speeds and dynamic loads. It is constructed with steel rings, offers low friction, accommodates radial and axial loads in both directions, and requires minimal maintenance, making it suitable for various industrial applications. The 6306 bearing variant measures 30 mm inner diameter, 72 mm outer diameter, and 19 mm width, often featuring metal shields or rubber seals for protection and durability. These components are engineered for robust performance in electric motors, machinery, and automation systems.