608-ZZ Miniature Deep Groove Ball Bearing 8×22×7mm for Small Motors and Precision Equipment Product Overview The 608-ZZ miniature deep groove ball bearing measures 8 × 22 × 7 mm and features metal shields on both sides to help protect against larger dust particles while maintaining low-friction rotation. Unlike rubber-sealed 608-2RS bearings, its metal shields are suitable for applications where low rotational resistance is important. This compact bearing is commonly used in