Reply to "Bearing suffix"

That portion of the suffix normally refers to the lubricant used in a sealed bearing.  The K24 is Dupont Krytox 240AC.  As an example see https://www.abf.store/s/en/bea...Z-C3-K24-ZEN/1045454.

Unfortunately I don't know what lubricant the K52 is referring to.  Are you certain of the number?

Also helpful to us here would be the manufacturer of the bearing, if you have it.

 

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