SOHC.co.uk Forums > CB500/550
Cb550 F2 Rear Wheel Bearing Installation
Bryanj:
Sounds like the bearing is not seated against the shoulder in the hub, side with locking ring fits first up to shoulder as there is no shoulder on the other side, bearing is positioned by internal spacer
McCabe-Thiele (Ted):
--- Quote from: bbrian66 on May 17, 2026, 09:57:41 PM ---Thanks Ted! If this is all correct then I need to knock the bearing under the retainer inward a bit more, but can't because it needs the other bearing and the spacer to move at the same time.
--- End quote ---
The right side bearing will be moved by the spacer as you press the left side bearing fully home, as a precaution against the spacer tube distorting I would insert a bolt or similar of the same diameter of the axle bolt to keep it all aligned.
K2-K6:
--- Quote from: bbrian66 on May 17, 2026, 09:57:41 PM ---Thanks Ted! If this is all correct then I need to knock the bearing under the retainer inward a bit more, but can't because it needs the other bearing and the spacer to move at the same time.
--- End quote ---
Yes, that's correct in your assessment of the brake side bearing would have to move as it's location is dependent on the spacer keeping distance to sprocket side bearing.
The sprocket/drive side bearing is tbe reference/datum on these rear wheel. It, when located against the shoulder/rebate in the hub, will set the wheel alignment in the frame, ultimately to make it bolt in centrally located.
The brake side bearing is "slaved" off that position by the spacer distance as it has no effective rebate. It "floats" in other words, with any assembly discrepancy taken out when the spindle nut is torqued to spec on installation.
bbrian66:
Thank you all for these replies - very helpful. It does look like this is my issue.
I'll have a go at tapping them in deeper. I might try to warm the hub to make it easier.
McCabe-Thiele (Ted):
Personally I don't see the need to warm the hub, the bearings are now aligned in the hub,
Too much heat could damage the bearing seals and make the grease run out.
Relative mild heating unlikely to help, be brave give it a tap with a lump hammer, a decent drift and striking it nice and square on the drift should do it easily.
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version