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Reply to "High temperature at pump NDE bearing"

I assume you mean 60 deg C (140 deg F). This is not a temperature that would make me overly concerned but since I don't know the previous history I would ask you if there was any recent maintenance that might explain?

There are several main reasons for high temps: Poor lubrication, excessive lubrication (I find this to be unusually common but more typical of greased bearings), improper preload (these are duplex paired - which requires a preload design). Was this properly applied? Finally, high levels of misalignment can result in this condition.

Regards

Jim P

Last edited by Registered Member
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