Ceramic Bearings-Are they worth the extra expense?

I created this for the memes thread but it’s apt here:

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Are the ceramic balls harder then the races and can cause wear faster?

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The reviews I have seen say that.

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Ok thanks - appreciate the reply. Do you have any recommendations?

No, they are not. More expensive and don’t last as long as good steel ones. No thanks

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In a word, no.

I’m not going to use them again. No real problems, thought they were faster. But replaced with NTN nominal clearance (C1). Now they for real are faster.
Who said; “steel is real”. My 2 cents.