SOHC.co.uk Forums > CB500/550
Taper bearings
Sesman:
Hi, Bryant. I get that, but 1mm. Can that be correct?
Sesman:
The spacer is deeper than the width of a pound coin (can’t find my micrometers) by the way. Looks like a return to DS is in order.
Sesman:
Hi, Oddjob.
Woe is me, old bearings are on their way to landfill. Didn’t think a well established swap out would be so difficult. Naively I assumed our man DS would,only sell stuff that fitted. :-\
Was trying to avoid the test fit hammering and swearing method.
All balls...here I come
McCabe-Thiele (Ted):
--- Quote from: Sesman on March 15, 2021, 04:11:42 PM ---Hi, Oddjob.
Woe is me, old bearings are on their way to landfill. Didn’t think a well established swap out would be so difficult. Naively I assumed our man DS would,only sell stuff that fitted. :-\
Was trying to avoid the test fit hammering and swearing method.
All balls...here I come
--- End quote ---
I am assuming you are replacing ball bearings with tapper rolers if that is the case and you have thrown the old ones away look on e-bay for original ball bearing fitments. Most actually give the replacement bearing thickness, ID & OD. Then just measure the height of the bottom replacement and subtract the original ball bearing thickness that should give you the thickness spacer you need. If your bottom yoke is 30 mm in diameter where the bearing sits I have a small selection of laser cut strong steel ones spare. I have them in 1mm, 2mm & 3mm thickness. MP me if they look like the right diameter.
Bryanj:
No point sendind DS back and buying all balls they are all the same bearings. You can get 1mm thick 30mm(i think) id shim washers on ebay for not much, i did and have some spare you can have at cost if you want.
EDIT
1mm thick 30mm bore 42mm od still on ebay at £4.02 for two, i bought 10 costing £8 so £0.80+ stamp+envelope = £2 to you if you want 1.
By the way i know it fits as i have2 bikes on the bench with them in
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