Deep Groove Ball Bearing

Deep groove ball bearing (GB/T 276—2003) The original list radial ball bearing is the most widely used rolling bearing. It is characterized by small frictional resistance and high speed. It can be used on parts that bear radial loads or joint loads that act simultaneously in radial and axial directions, and can also be used on parts that bear axial loads, such as small-power motors, Automotive and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.

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 the most commonly produced and widely used type of bearing.

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 deep groove ball bearingWith a large radial clearance, it has the performance of angular contact bearings and can withstand large axial loads. The friction coefficient of deep groove ball bearings is small and the limit speed is also high.

Deep groove ball bearings are the most commonly used rolling bearings. It has a simple structure and is convenient to use. It is mainly used to bear radial load, but when the radial clearance of the bearing is increased, it has a certain performance of angular contact ball bearing, and can bear combined radial and axial loads. When the speed is high and thrust ball bearings are not suitable, they can also be used to bear pure axial loads. Compared with other types of bearings with the same specification and size as deep groove ball bearings, this type of bearing has a small friction coefficient and a high limit speed. However, it is not resistant to impact and is not suitable for heavy loads.

After the deep groove ball bearing is installed on the shaft, within the range of the axial clearance of the bearing, it can limit the axial displacement of the shaft or the housing in two directions, so it can be positioned axially in both directions. In addition, this type of bearing also has a certain self-aligning ability. When it is tilted 2'~10' relative to the housing hole, it can still work normally, but it will have a certain impact on the life of the bearing.