Deep-groove ball bearings
Deep-groove ball bearings are the most common type of rolling bearings. The basic deep-groove ball bearings consist of an outer ring, an inner ring, a set of steel balls, and a set of retainers.
Deep-groove ball bearing types are single-and double-row. The deep-groove ball structure is also divided into two types of structure and open: open type refers to the bearing without sealing structure; the sealed deep-groove ball is divided into (1) dust seal and (2) oil seal types. Dust seals prevent dust from entering the bearing raceway; oil-resistant types can effectively prevent grease from entering.
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