Yes. I took a look at the bearings not two minutes ago and the outer ones have the collars. I was going to report what I discovered. I never knew they came with collars. Then I seen your post.
It looks to me these bearings ought to just slide off. I was under the impression the collars locked the bearing to the axle via choking effort (squeezing). As if it had a camming effect to choke the axle. Which is why its rotated off. (to uncam itself) These new bearings seem they just fasten up to another, with the collar locking itself to the axle via set screw.
Is this correct? I have a lot to learn, but I am learning.