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As someone else posted, check out your hub and make sure the spoke holes are not wallyed out. This same thing happened on my 07 RK and I got a deal on some Street Glide alloy wheels. They're out there.
The long inner spacer between the two bearings. It determines the distance between the two bearings, or how far into the recess the second bearing will fit.
If the lengths are not correct, and you torque it up, it'll put a sideways stress on the bearing which I am told - but do not know for myself - is the cause of some models eating bearings, particularly on the 25mm axles.
Ah yes, in the wheel - I was still in the swingarm area! I can't see any way the bearings will suffer a sideways stress. The second one installed is essentially free floating, so as long as the crush tube (it is actually a substantial steel tube and ain't goin' to crush!) is sort of the right length all will be well. There is no science involved in building modern Harley wheels, unlike the tapered bearings wheels of yore, but that is probably why they changed.
This conversation straddles at least two separate threads, but I'm going to try and upload a video of how much the swing arm wobbles side to side on the standard swing arm axle.
Did you look at that?
It's a quite a few mm.
What should the tolerances be?
Shouldn't it be a bit of a sliding fit with basically no side to side movement? Torque it up alone won't cure it. I'd say it needs machined to fit.
If I fit the swing arm axle in ... but without locknut, donuts and mounts and hold the end, the arm noticeably rattles side to side.
I wonder if this is also connected to wear over the years ... that the swingarm axle actually cut itself into the transmission making it larger? I must look and see.
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