The 72 mm cast iron sleeve bearing designed for use with 6207 and 6306 ball bearings features an outer diameter of approximately 76 mm (±0.05 mm) and is available in sleeve lengths of 30 mm, 40 mm, or 50 mm. The 6207 deep groove ball bearing paired with this sleeve has an inner diameter of 35 mm, an outer diameter of 72 mm, and a width of 17 mm. It is a single-row, open or shielded bearing capable of handling high rotational speeds and dynamic radial loads, made from durable steel with options for rubber or metal seals to protect against contaminants. This combination ensures robust performance in rotary and industrial applications requiring precise fit and reliable operation.