Deep groove ball bearings

Deep-groove ball bearings are the most common type of rolling bearings. The basic deep-groove ball bearing is composed of an outer ring, an inner ring, a group of steel balls and a group of holding frames. There are two types of deep groove ball bearings，single-row and double-row. The deep-groove ball structure is also divided into two types: sealed and open. The open type refers to the bearing without a seal structure. The sealed deep-groove ball is divided into dust-proof sealed and oil-proof seal. The material of the dust-proof sealing cover is stamped steel plate, which only simply serves to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.

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