PU coated ball bearings

Are PU coated ball bearings in place of normal bearings an option?

I doubt it for a few reasons. Do you have a specs link?

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PU 608RS 8227 not available …

Weird. That link wants me to sign in. When I do, it gives me an.error message (in Italian, maybe?).

Measures matching and link should work.

I bet these would be lovely for Zen XY.

For CNC a rigid bearing will be better.

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