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Bearing internal clearance refers to the total distance that one bearing ring can move in the radial or axial direction relative to the other bearing ring. For the bearing clearance, it is necessary to distinguish the initial clearance before installation and the working clearance after installation and reach its operating tempe...

Generally speaking, rolling bearings with tight fit interference installation must be close to the shaft shoulder. So how to test it? According to our companys knowledge of bearings, lets share the detection methods of the tightness of rolling bearings and shaft shoulders. I hope that it will be helpful to everyones bearing inst...

The operating environment of wind turbines is very harsh and the stress conditions are complex. There are many types of gearboxes for wind turbines. The following example mainly refers to the analysis of the output gear shaft fracture during the operation of the wind power speed increaser. According to the appearance inspection ...

Although a simple truck bearing seal cover is removed, it will not cause serious safety hazards such as vehicle shaft cutting or derailment, but due to the bearing seal cover falling out, the hot shaft rises quickly and the temperature is high. Infrared equipment predicts strong heat and more heat. , Most of them stopped on the ...

The metallurgical quality of the bearing material used to be the main factor affecting the early failure of KOYO bearings. With the progress of metallurgical technology (such as vacuum degassing of bearing steel, etc.), the quality of raw materials has been improved. The proportion of raw material quality factors in bearing fail...

First, the limitation of bearing size. Usually, the space in which NTN imported bearings can be installed is limited. In most cases, the shaft diameter (or bearing inner diameter) is based on mechanical design or other design constraints. Therefore, the choice of bearing type and size is determined according to the inner diamete...

Due to the inaccurate measurement of the shaft diameter and the size of the bearing seat hole or the mating surface roughness does not meet the standard requirements, excessive interference fit is caused, and the nsk bearing seat ring is greatly squeezed, which causes the radial clearance of the bearing itself to decrease , Make...

Bearings have many failures, and many users who use bearings have experienced this. After the bearing has been running for a period of time, it is necessary to check whether there is any problem, and pay special attention to whether the bearing fails. The main reasons for failure are as follows: 1. Contact fatigue failure Contac...

Checking the condition of the machines in operation and preparing a thorough inspection plan has become more and more serious. Among them, the bearing is the focus of attention, because it is the most important rotating part in all machines. Condition monitoring is an important part of preventive maintenance. Early detection of ...