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Cb550 F2 Rear Wheel Bearing Installation

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bbrian66:
Hi Guys

I've had my wheels professionally rebuilt and got them to put the wheel bearings in at the same time. I'm now concerned that the rear installation is not correct. Tightening down the bearing retainer firmly leaves a huge gap under the flange. With the sprocket carrier installed it still leave a good 1mm gap under the flange so that the carrier can float.

I can only think that the bearings are not properly seated, that the left hand bearing should be sitting deeper into the hub,  allowing the retainer to screw down further.

Am I wrong?  Do I have any option other than to try to knock out the bearings and start again?

If I have to knock them out, can they be reused?

McCabe-Thiele (Ted):
I had a similar issue when I fitted my rear wheel bearings after having my wheels rebuilt by CWC.

Not sure if the 550 is different to the 500, I'll check my build log & come back to you how I fixed it.

McCabe-Thiele (Ted):
In my case when I fitted the rear wheel the bearings were binding as soon as I started to tighten the axle bolt.
My first thought was the center spacer was out of place. (It wasn't) I undid the left hand lock ring, using a drift tool I hammered the right side dearing so it was flush, all went back together okay when fitting the drive hub arrangement. My biggest error was trying to fit the oil seal in the wrong place.PXL_20240505_084731863 by Macabe Thiele, on Flickr

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McCabe-Thiele (Ted):
I would try removing the lock ring then with a decent sized lump hammer and a drift tool knock the bearing in a bit further.
You will need to support the hub with  suitable support to avoid damage.

bbrian66:
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.

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