SOHC.co.uk Forums > CB350/400

Steering Head Bearings

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Bryanj:
You could get needle roller conversions from the US some years back but they didnt last long as the bearings only really last when they are rotating, remember the mono shock rear bears that needed changing  nearly every mot

Andych:
That H264815 bearing number has measurements of 26 x 48.5 x 15 as per the link below.
https://simplybearings.co.uk/shop/p554001/H264815-Narrow-Section-Steering-Head-Set-Taper-Roller-Bearing-26x48.5x15mm/product_info.html

McCabe-Thiele (Ted):

--- Quote from: Andych on August 19, 2021, 11:46:55 PM ---That H264815 bearing number has measurements of 26 x 48.5 x 15 as per the link below.
https://simplybearings.co.uk/shop/p554001/H264815-Narrow-Section-Steering-Head-Set-Taper-Roller-Bearing-26x48.5x15mm/product_info.html

--- End quote ---
I think you are onto something here it's the part number not the actual bearing size!
Either way you can get the right upper taper roller that's not too tall.

Out of interest nobody appears to list a 26 x 48 x15 bearing on the couple of sites I have checked on.

Bryanj:
Thats because the taper rollers that fit the bikes are not a standard sizr

AndyD:
Update on the Wemoto bearings.
Had another play with the upper set - popped a couple of loose ball bearings in to see how it would build up if the caged bearings did fit properly.
The race seems correct and as original but the cone is quite different and when fitted the set is several mm higher than standard so not much use.
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Shame as the bottom set seems perfect and the top would be if the cage fitted and the cone was the same profile as original.
I just wonder why someone has put together all these varieties of replacement bearing sets that just aren't correct.
Wemoto are looking into this so maybe the supplier can explain / correct things.
Cheers,
Andy

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