Should 304 or 440 stainless steel bearings be selected in corrosive environments？
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FAG tapered roller bearing operation of anomaly analysis
by：Waxing
2020-10-30
Installed in institutions, FAG bearing parts allowed to have a certain temperature, when the hand touch body shell, should not feel hot as normal, whereas indicates tapered roller bearing temperature is too high.
The cause of the high bearing temperature are: lubricating oil quality does not conform to the requirements or metamorphism, lubricating oil viscosity is too high;
The assemble tight (
Inadequate clearance)
;
Tapered roller bearing assembly too tight;
Bearing race in internal rotation shaft or housing;
Too much load;
FAG bearing cage or rolling body fracture, etc.
The functioning of the rolling bearing in the work to allow a slight noise, if you have any abnormal noise or excessive noise or sound, suggests that the bearing failure.
Cause noise of rolling bearings is more complex, one is the bearing inner and outer surface wear.
Due to the wear and tear, damage to the bearings, tapered roller bearing and shaft and shell of cooperate relationship, lead to axis deviation from the correct position, when axis at high speed movement produces sound.
When the bearing fatigue, its surface metal flake, also can make FAG bearing radial clearance increases produce sound.
In addition, the bearing lubrication, forms the dry friction, and bearing broken etc all make abnormal noise.
Tapered roller bearing wear loose after kuang, maintains a looseness damage, also can produce sound.
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