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After FAG bearing seizes the shaft, the reasons can be found from several aspects: (1) Whether there is oil leakage in the grinding head. (2) Whether the oil sump is short of oil, and whether the oil level is lower than the indication line on the oil mark. There is a kind of flat grinding lubricating oil which is prepared with k...

Here is an example of a flat grinding head spindle adopting a spindle bearing structure with one end sliding and one end rolling. Among them, there are three kinds of friction states between the sliding bearing and the main shaft: boundary friction, liquid friction, and mixed friction. Boundary friction means that the two slidin...

l) Life. The life of a single rolling bearing means that before the first sign of fatigue expansion appears on a ring (or washer) or rolling element material of the bearing, one ring (or washer) of the bearing is relative to the other ring (or washer). ) The number of revolutions of rotation. 2) Reliability (belonging to the cat...

1. Tolerance selection and control of shaft and bearing chamber: SKF imported bearings should rotate flexibly without any sense of blocking after being pressed into the bearing. If there is obvious inflexible rotation, it indicates that the size of the shaft is too large and the tolerance needs to be lowered. If the bearing is p...

Overview of the axial clearance of roller bearings Axial clearance is an important technical index in the application of double and four-row tapered roller bearings, which has a direct impact on the service life of the bearing. JB/T82362010 Rolling bearing double-row and four-row tapered roller bearing clearance and adjustment m...

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 ...