The cage plays a role in isolating the rolling elements at equal distances in the rolling bearing, prevents the rolling elements from falling, and guides and drives the rolling elements to rotate.
The first damaged (failed) component of the bearing is often the cage, which can be said to be the "blood vessel" of the bearing.
Because it can distribute the inner ring, outer ring, and rolling elements in a uniform and orderly manner, a slight error will easily shorten the service life of the bearing or even damage it; therefore, the use of bearing lubricant is crucial.
So, what is the cause of the fracture of the bearing cage?
1. Insufficient bearing lubrication
2. Impact load of the bearing
3. The cleanliness of the bearing
4. Installation problems (it is easy to damage the cage when installed incorrectly)
5. Bearing creep phenomenon
6. Abnormal load of bearing cage
7. Material defects of bearing cage
8. Intrusion of bearing hard foreign bodies
9. Other reasons (such as misalignment of the coupling resulting in bearing skew and uneven force; belt installation is too tight; environmental problems, etc., may damage the bearing or cage)
To solve the above reasons such as insufficient lubrication, the life of the bearing will be prolonged. However, it is recommended that the reasons for the damage of the bearing cage be analyzed according to specific problems. The key is to judge which type of bearing is used, which equipment is installed, and what is the working condition.
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