Deep groove balls are a common type of rolling bearing. The basic deep groove ball bearing consists 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. The structure of deep groove ball is also divided into two types: sealed and open. The open type means that the bearing does not have a sealed structure. seal. The material of the dust-proof sealing cover is stamped steel plate, which simply prevents 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 type code of single row deep groove ball bearing is 6, and the code name of double row deep groove ball bearing is 4. Its structure is simple, easy to use, and it is a kind of bearing that is widely produced and widely used. Deep groove ball bearings mainly bear radial loads, and can also bear radial loads and axial loads at the same time. When it is only subjected to radial loads, the contact angle is zero. When the deep groove ball bearing has a large radial clearance, it has the performance of an angular contact bearing and can withstand a large axial load. The friction coefficient of the deep groove ball bearing is small, and the limit speed is also high.
The structure of deep groove ball bearing is simple, and it is easy to achieve higher manufacturing precision compared with other types, so it is easy to be mass-produced in series, and the manufacturing cost is also low, so it is widely used. In addition to the basic type, deep groove ball bearings also have various variant structures, such as: deep groove ball bearings with dust cover, deep groove ball bearings with rubber seal rings, deep groove ball bearings with stop grooves, Large load capacity deep groove ball bearings with ball notches, double row deep groove ball bearings.
