The Nachi 6221NR radial ball bearing features an open design with a snap ring, offering an inner diameter of 105 mm, an outer diameter of 190 mm, and a width of 36 mm. Constructed from high-quality steel with a pressed steel cage, it provides a dynamic load rating of 133,000 N and a static load rating of 104,000 N. This single-row deep groove bearing supports a maximum rotational speed of approximately 3400 rpm, making it suitable for heavy-duty industrial applications requiring reliable radial load handling and axial stability. Its C3 clearance ensures smooth operation under varying thermal conditions.