The vibration of the bearing has an obvious influence on the failure of the bearing, such as spalling, indentation, corrosion, cracks, wear, etc. will be reflected in the bearing vibration detection, so by using special bearing vibration measurement equipment (frequency analyzer and oscillator, etc. ) can measure the size of the oscillation, and the specific situation of the abnormal oscillation can be inferred through the frequency distribution. The measured values are different due to the operating conditions of the bearing or the orientation of the sensor device, so it is necessary to analyze and compare the measured values of each machine in advance. Then determine the standard bearing for judgment.

Usually the temperature of the bearing gradually increases with the beginning of the work, and reaches a stable state after 1 to 2 hours. The normal temperature of the bearing varies due to the heat capacity, heat dissipation, speed and load of the machine. If the lubrication and installation are not suitable, the bearing temperature will rise sharply and abnormally high temperature will occur. At this time, it is necessary to stop the machine and take necessary preventive measures.

Smoothness has an important impact on the fatigue life and conflict, wear, temperature rise, vibration, etc. of rolling bearings. Without normal smoothness, the bearing cannot operate. Analysis of the damage causes of the bearing shows that about 40% of the bearing damage is related to poor lubrication. Therefore, the excellent smoothness of INA bearings is an effective measure to reduce bearing friction and wear.

In addition, the smoothness of the bearing also plays a role in heat dissipation, rust prevention, sealing, and shock mitigation. To ensure that the lubricating agent cannot expire and fail, the selection must be correct. The lubricating oil of the harvester bearing is divided into two types: oil lubricating and grease lubricating. GL-5 80W90 gear oil is used for the oil lubricating selection of large-scale gearboxes; Unit must be smoothed with Mobil XHP222 or better grease