The 225 mm steel sleeve bearing compatible with bearing numbers 6030 and 6321 features an outer diameter of approximately 232 mm with a tolerance of ±0.05 mm and is available in lengths of 60 to 100 mm. The 6321 deep groove ball bearing has precise dimensions of 105 mm inner diameter, 225 mm outer diameter, and 49 mm width, designed for high rotational speeds with a radial load capacity. Constructed from steel with a single-row design, it offers a basic dynamic load rating around 182 kN, suitable for standard industrial applications requiring durability and smooth operation.