Reddit mentions: The best inline skating replacement parts

Easiest upgrades are the Bones Reds Bearings if you're still using stock Kwik ABEC's (if you've never changed your bearings, you probably are).

For roughly the same price, the Moto Deluxe Bearings are gaining popularity as a better built bearing. I've been using them for a few months. They're very good, but recently some of them are making a very loud clicking noise when I roll, even after cleaning and re-greasing them. Due to that, I'm not 100% on recommending them as of yet, but they're definitely an option to explore if you want to look for more input.

If you have a torch lighter to heat the screw end area a bit (try not to melt the wheel/heat the bearing), that can help release the axle enough. May ruin or bubble the silkscreening if it isn't just anodized aluminum surface.

If the paint does get fubar'd, acetone and a rag will strip and remove all the branding/logos to bare metal.

I'd recommend getting some axles with deeper tool channels. They're usually hollow, measure your axles (in mm, typically 35 or 38 mm) and replace.

Those are wheel bearings for inline skates, roller skates or skateboards. Similar to these, but different brand.