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 retaining frames. There are two types of deep groove ball bearings: single row and double row. The deep groove ball structure is 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 seal and oil proof. seal. The material of the dustproof sealing cover is stamped from steel plate, which only serves to simply 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.
The single-row deep groove ball bearing type code is 6, and the double-row deep groove ball bearing code is 4. Its structure is simple and easy to use. It is the most common and widely used bearing.
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