10-01-2014, 10:39 AM
Yeah, HDi bearings are the best style, as said they're sputter bearings.
Reason they have different locking tabs is because the top shell is different to the bottom shell - because the top shell is sputter, but the bottom shell isn't, so you can't put the shells in the wrong way round.
Reason they have different locking tabs is because the top shell is different to the bottom shell - because the top shell is sputter, but the bottom shell isn't, so you can't put the shells in the wrong way round.