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fag bearing
Vibration of fag bearing and temperature inspection of fag bearing
2022-06-23
Use and packaging of SKF bearings
Precautions for use, matching and packaging of SKF bearings
2022-06-25

Precautions for SKF Bearing Vibration generation and operation

Generally speaking, rolling SKF bearings do not produce noise perse.

SKF Bearing Vibration and precautions:What is commonly perceived as “SKF bearing noise” is in fact the acoustic effect of the SKF bearing vibrating directly or indirectly with the surrounding structure. This is why many times noise problems can be considered as a vibration problem involving the entire SKF bearing application.

SKF Bearing Vibration and precautions
SKF Bearing Vibration and precautions

SKF bearing excitation due to changes in the number of loaded rolling elements, which can cause a change in the direction of the load. The resulting bearing vibration is unavoidable but can be mitigated by axial preload loaded on all rolling elements (not applicable to cylindrical roller bearings).

Possible problems in SKF bearing vibration

  1. Where SKF bearing rings are tightly fitted to SKF housings or drive shafts, SKF bearing rings may deform to follow the shape of adjacent parts. If deformed, bearing vibration may occur during operation. Therefore, it is important to machine SKF bearing housings and drive shafts to the required tolerances.
  2. Local damage in SKF bearing vibration:A small number of SKF bearing raceways and rolling elements can be damaged by handling or installation errors. In operation, rolling damaged SKF bearing parts generate specific vibration frequencies. Vibration frequency analysis identifies damaged SKF bearing components.

The importance of SKF bearing vibration under normal conditions

  • SKF bearings are non-functional, which means that when they fail, it can cause equipment downtime, so these bearings should be equipped with temperature detectors. Under normal circumstances, SKF bearings will experience a natural temperature rise that lasts for a day or two after they are newly lubricated or relubricated.
  • Continuous monitoring of SKF bearing temperatures is necessary.
    SKF Bearing Vibration and precautions.Whether you are measuring the SKF bearing itself or other important parts. If the operating conditions do not change, any change in temperature may indicate that a failure has occurred.

Observation

If the SKF bearing is well lubricated and properly shielded from debris and moisture, the oil seal should not be worn. However, visually inspect the SKF bearing when opening the SKF bearing housing and periodically check the oil seals. Check the condition of the oil seals near the SKF bearing to ensure that they are adequate to prevent hot or corrosive fluids or gases from penetrating into the SKF bearing along the shaft core. Protective rings and labyrinth seals should be greased to ensure that they provide adequate protection. The oil seals should be replaced as soon as possible if they are worn.

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