Deep groove ball bearings are the most common type of rolling bearings. Basic deep groove ball bearings consist of an outer ring, an inner ring, a set of steel balls and a set of cages.
There are two types of deep groove ball bearings: single row and double row.
Deep groove ball structure is also divided into two types: sealed and open type.
Open type means that the bearing does not have a sealed structure. The sealed type deep groove ball is divided into dust seal and oil proof. seal.
Dust-proof sealing cover material is stamped on the steel sheet and only serves to prevent dust from entering the bearing raceway. Anti-oil type contact oil seal can effectively prevent the grease inside the bearing from spilling.
Single-row deep groove ball bearing type code 6, double-row deep groove ball bearing code 4. The utility model has the advantages of simple structure and convenient use, and is the most common and widely used type of bearing.
Deep groove ball bearings are mainly subjected to radial loads and can also bear radial loads and axial loads. When it is only subjected to radial load, the contact angle is zero.
When the deep groove ball bearings have large radial clearance, they have the performance of angular contact bearings and can withstand large axial loads. The friction coefficient of deep groove ball bearings is very small and the limit rotational speed is also high.
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