>>2940847 (OP)
Black&Decker angle grinder. Got it as a gift from my grandma when I was a kid, who got it on discount at the hardware store. Had it lying around for a few years, since I was using my rpm-controlled fein (yep, had one as a kid - saved up for a year, but it was worth it) for everything.
Fast forward a couple years, and I'm cleaning my first car's underfloor of rust. Was cleaning the PVC coating with a wirebrush, then the rust with a csd, so I figured I could just use two grinders so I wouldn't have to shift discs all he time. Put the wirewheel on the B&D.
Lasted a whole 20 min, then it started shaking like crazy. Disassembled it, and found the bearing was worn. Said bearing is pressed into a cast aluminum piece with no way to remove it, you need to change the entire head to fix it. Contacted B&D, they wanted ~120€ for that piece, while getting the same grinder new would've been 140€.
For comparison, on the Fein (where I checked just in case), the bearing is a standard ball bearing, held in place by two screws, with spares costing 15€. Buy cheap, buy twice, I guess.
