LarryW

6x6 World Sponsor
Registered: January 2008 Location: Vicksburg, Michigan Posts: 2,248

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The left one has a radius on the O.D. That style seem less common. I believe it to be a real early style?
The right one seems more common and has a flat O.D. I believe it to be a better bearing because the bearing is held away from the body and closer to the tire. That take a lot of stress off the axle. Basically same idea as bearing extensions.
When removing the axle, the outside of the axle is smaller (25mm outside /1" inside) so make sure you press it the right way out of the bearing.
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