The cylindrical roller bearing heats up seriously, as shown in the figure after disassembly.

2020-04-29View Original

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Could someone please analyze the cause of this wear and tear?

Reply #22020-04-29

Lubricating oil (grease) is contaminated by impurities, caused by mechanical impurities in the oil. Therefore, it is required to ensure that the grease is clean when doing lubrication.

Reply #32020-04-29

It must have been very noisy before. Was it dry grinding?

Reply #42020-04-29

There is no sign of burning, it should be that there are impurities in the oil, and the grinding

Reply #52020-04-29

Possibility 1. Cheap 2. Installation quality 3. Oil quality 4. Dirty bearing box 5. Impurities or media slipped in 6. Running time is too long 7. Frequent starts and stops 8. Thinking it is damaged

Reply #62020-04-29

Yes, 6000V, 250KW.

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The cylindrical roller bearing heats up seriously, as shown in the figure after disassembly.

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