A high temperature often indicates that the cylindrical roller bearing is in an abnormal condition. High temperatures are also detrimental to bearing lubricants. Sometimes bearing overheating can be attributed to the lubricant of the bearing. If the bearing is continuously rotated for a long time at a temperature exceeding 125°C, the bearing life will be reduced. The causes of full complement cylindrical roller bearings include: insufficient or excessive lubrication, impurities in the bearing raceway, excessively high limit speed, and long-term overload operation of the bearing. In normal use, vibration is quite sensitive to bearing damage, spalling, indentation, rust, cracks, wear, etc. will be reflected in the bearing vibration measurement. Therefore, by using a special bearing vibration measuring instrument (frequency analyzer, etc.), the magnitude of the vibration can be measured, and the specific situation of the abnormality can be inferred through the frequency distribution. The measured values ​​vary depending on the operating conditions of the bearing or the installation position of the sensor, so it is necessary to analyze and compare the measured values ​​of each machine in advance to determine the judgment standard. The selection of full complement cylindrical roller bearings is quick and easy to provide. The automatic selection guide can provide, the resultant radial load on the fixed load load is exposed from the local ring raceway fixed ring and transmitted to the corresponding shaft or bearing local. The characteristic of this load is that the radial load vector is a relatively static resultant and ring. Bearing the load ring can be used relatively loose. The rotational load is the resultant radial load of the full complement cylindrical roller bearing ring acting on the drum rotating in the circumferential direction, and the various parts of the rotation, such as the rotational load, which are rotated by the resultant vector phase ring radial load, are borne by the rotational load. . The rotating load ring is tightly fitted, in special cases, the load, such as elective, is light or heavy, the load at low speed is only occasional, the bearing is made of hard material and the surface roughness is high, the rotating load bearing ring can also be Used loosely. Load with swinging load or non-directional load, the combined direction of the radial load of the load ring is uncertain, it is characterized by the action of the radial load vector ring raceway of the synthetic ring, shock load, vibration, load in a certain area, The direction is swing, the roller has to bear a certain area, or the load acting on the bearing, the load value often changes. To bear the load-bearing swing, the outer ring and the circumference, the bearing, and the hole should be used in close cooperation. 1. The roller and the raceway are in line contact or trimmed line contact, and the radial bearing capacity is large, which is suitable for bearing heavy loads and impact loads. 2. The friction coefficient is small, suitable for high speed, and the limit speed is close to that of deep groove ball bearings. 3. N type and NU type can move axially, can adapt to the change of relative position between shaft and shell caused by thermal expansion or installation error, and can be used as free end support. 4. The processing requirements for the shaft or seat hole are relatively high. After the bearing is installed, the relative deflection of the outer ring axis should be strictly controlled to avoid contact stress concentration. 5. The inner ring or outer ring can be separated for easy installation and removal.
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