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Thanks. Starting to think it's just outdated nomenclature on the original and it is a greased bearing. I'll crack it open later to confirm.

Yeah, I'm not 100% sure how they work. I read there is a teflon coating in them in one google result. Might have to crack it open to see how it works. I've attached a picture of the original bearing.

I have a '93 Audi where the A/C compressor pulley bearing recently started to make a grinding noise. I realized it was the bearing and opted for replacing it, since I've done some pulley bearings on my newer Toyota. I got the bearing out (not easily) and it's the original Japanese NSK bearing...