INA thrust angular contact ball bearing lubrication should pay attention to the problem
INA bearings must be installed in a dry, clean environment. Care should be taken to check the mating surfaces of the shaft and the housing, the end faces of the shoulders, the grooves and the joining surface before installation. All mating joint surfaces must be carefully cleaned and burred removed, and the unmachined surface of the casting must be cleaned of sand.
1. After the bearing is installed, the rotation test should be carried out. Firstly, it should be used for the rotating shaft or the bearing box. If there is no abnormality, the power will be run without load and at low speed. Then, according to the running condition, the rotation speed and load will be gradually increased, and the noise, vibration and temperature rise will be detected. If an abnormality is found, it should be stopped and checked. It can be delivered after the operation test is normal.
The lubricating base filled in the INA bearing configuration will gradually lose its lubricating properties. Therefore, we need to constantly replenish and update the lubrication rank. The interval between lubricant replenishment will vary depending on the formation, size and speed of the thrust angular contact ball bearing.
2. It is not allowed to drill, groove, chamfer and end face of the imported bearings during installation. Otherwise, it is easy to cause deformation of the imported bearing ring, affecting the bearing accuracy and life, while the cut metal easily enters the working surface of the bearing, accelerating the wear of the raceway and the rolling element, causing premature failure of the bearing.
3. The pressure during installation should be added to the end face of the ferrule with the interference fit. When installed on the shaft, the pressure should be added to the end face of the inner ring of the bearing; when it is installed in the hole of the bearing housing, the pressure should be added to the imported bearing. On the outer ring end face. It is not allowed to pass the rolling body and keep the pressure transmitted.
4. For the bearing with the inner ring as the tight fit and the outer ring as the slip fit, when installing, the unseparable type should first install the thrust angular contact ball bearing on the shaft, and then fit the shaft together with the bearing into the bearing housing. Inside the hole; the division can be separated, the inner and outer rings can be installed separately.
5. To prevent the bearing from being tilted, the center line of the shaft and bearing hole must be coincident during installation. If the installation is not correct, when reinstalling, the INA bearing must be pulled out through the inner ring end face.
INA bearing lubricant replacement cycle The replacement cycle of the lubricant varies depending on the conditions of use and the amount of oil. Under normal circumstances, when the operating temperature is below 50 °C and the dust is used in a good environment, it is replaced once a year. When it reaches 100 °C, it should be replaced in 3 months or less.
The speed of the INA bearing is mainly limited by the temperature rise caused by the frictional heat inside the bearing. However, after the speed exceeds a certain limit, the bearing cannot continue to rotate due to burns. The limit rotational speed of the thrust angular contact ball bearing is a limit value of the rotational speed that does not cause frictional heating that causes burns and can continuously rotate. Therefore, the ultimate speed of the bearing depends on the type, size and precision of the bearing as well as the lubrication method, the quality and quantity of the lubricant, the material and type of the cage, and the load conditions.
1. After the bearing is installed, the rotation test should be carried out. Firstly, it should be used for the rotating shaft or the bearing box. If there is no abnormality, the power will be run without load and at low speed. Then, according to the running condition, the rotation speed and load will be gradually increased, and the noise, vibration and temperature rise will be detected. If an abnormality is found, it should be stopped and checked. It can be delivered after the operation test is normal.
The lubricating base filled in the INA bearing configuration will gradually lose its lubricating properties. Therefore, we need to constantly replenish and update the lubrication rank. The interval between lubricant replenishment will vary depending on the formation, size and speed of the thrust angular contact ball bearing.
2. It is not allowed to drill, groove, chamfer and end face of the imported bearings during installation. Otherwise, it is easy to cause deformation of the imported bearing ring, affecting the bearing accuracy and life, while the cut metal easily enters the working surface of the bearing, accelerating the wear of the raceway and the rolling element, causing premature failure of the bearing.
3. The pressure during installation should be added to the end face of the ferrule with the interference fit. When installed on the shaft, the pressure should be added to the end face of the inner ring of the bearing; when it is installed in the hole of the bearing housing, the pressure should be added to the imported bearing. On the outer ring end face. It is not allowed to pass the rolling body and keep the pressure transmitted.
4. For the bearing with the inner ring as the tight fit and the outer ring as the slip fit, when installing, the unseparable type should first install the thrust angular contact ball bearing on the shaft, and then fit the shaft together with the bearing into the bearing housing. Inside the hole; the division can be separated, the inner and outer rings can be installed separately.
5. To prevent the bearing from being tilted, the center line of the shaft and bearing hole must be coincident during installation. If the installation is not correct, when reinstalling, the INA bearing must be pulled out through the inner ring end face.
INA bearing lubricant replacement cycle The replacement cycle of the lubricant varies depending on the conditions of use and the amount of oil. Under normal circumstances, when the operating temperature is below 50 °C and the dust is used in a good environment, it is replaced once a year. When it reaches 100 °C, it should be replaced in 3 months or less.
The speed of the INA bearing is mainly limited by the temperature rise caused by the frictional heat inside the bearing. However, after the speed exceeds a certain limit, the bearing cannot continue to rotate due to burns. The limit rotational speed of the thrust angular contact ball bearing is a limit value of the rotational speed that does not cause frictional heating that causes burns and can continuously rotate. Therefore, the ultimate speed of the bearing depends on the type, size and precision of the bearing as well as the lubrication method, the quality and quantity of the lubricant, the material and type of the cage, and the load conditions.
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