SOHC.co.uk Forums > CB350/400
Does anyone know the diameter of the CB400F2 steering shaft at the base?
Bryanj:
Try it with the shim you have, the inner race normaly comes back off easy if you need to add more.
If the shim is too small the lower yoke binds on the frame.
For shims i just put 1mm shim 30mm id into ebay
Nurse Julie:
Hopefully you can understand now why Graham never fits these type of bearing, they are an absolute pain and just stick up too high. He did try on his 550 Mongrel he's recently built but gave up and went back to original type. It would have worked if he had milled down the internal lip by about 5mm but he would have had to strip the bike down completely to do it and you can't get a whole frame in the milling machine anyway.
McCabe-Thiele (Ted):
--- Quote from: Bryanj on February 22, 2021, 11:38:52 AM ---Try it with the shim you have, the inner race normaly comes back off easy if you need to add more.
If the shim is too small the lower yoke binds on the frame.
For shims i just put 1mm shim 30mm id into ebay
--- End quote ---
That ebay search worked a treat seems JCB buckets use them !
McCabe-Thiele (Ted):
--- Quote from: Nurse Julie on February 22, 2021, 11:42:44 AM ---Hopefully you can understand now why Graham never fits these type of bearing, they are an absolute pain and just stick up too high. He did try on his 550 Mongrel he's recently built but gave up and went back to original type. It would have worked if he had milled down the internal lip by about 5mm but he would have had to strip the bike down completely to do it and you can't get a whole frame in the milling machine anyway.
--- End quote ---
NJ not the words I wanted to hear but my least desirable "Mongrel" option of mixed bearing types looks theoretically possible does it not?
Please say yes that the mixed bearing option is an option albeit neither Flesh nor Fish.lol
Bryanj:
As long as the yokes turn freely and have no play whatever works is good, i have long said that tapers are not necessarily any better as they still "pit" and get notchy.
When rotating as designed they last an incredible legth of time but just moving back and forth a few degrees with over 90% of the time in one place i dont think so
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