The 6304 deep groove ball bearing from Misumi features a single row design with an inner diameter of 20 mm, outer diameter of 52 mm, and width of 15 mm. Constructed with steel inner and outer rings, it offers high precision with Grade 0 tolerance. This bearing supports radial and axial loads, suitable for high rotational speeds. It includes options for open, single shielded, double shielded, or rubber sealed configurations, with a pressed steel retainer and flat outer ring shape. The 6304 bearing is designed for durability and smooth operation in various industrial applications, meeting metric series size standards.