Originally Posted by
CliffordK
One thing I've noticed is that Shimano uses the term "Sealed Bearings" a little more loosely than other people might .....
Actually Shimano is right, and it's most other people who abuse the term "sealed bearing", when they mean cartridge bearing as opposed to classic cup/cone types.
If there's a bearing of any kind, that has some kind of seal, then it's a sealed bearing.