Duncan,
> Can you let me have the ID and total depth of the hub that the bearings
> sit in please.
Sorry but I dropped the wheel into an engineering shop in another town on
Friday when I was going away for the weekend. I will be away all this week,
19-23 April so won't be seeing the wheel and bearings again until the week
of 26-30 April.
> What stops the "wheel-barrow" bearings from migrating in the hub if the
> original design?
When you remove the first bearing, you will see it has a flange on its outer
edge which stops the bearing migrating inwards. The axle arrangement stops
them from moving outwards.
You will be impressed when you see the ball bearings in these bearings, they
look like lead shot ! !
> Or bond in a short length of tube to keep the outer races spaced apart.
Yes you could do this but I think it would be heavier than two circlips.
This was my original idea but one of my sons suggested the circlips. If a
sleeve is going to be used, It may be more advantageous to put it over the
axle section between the bearings in order to prevent over zealous side
loading of the bearings when the axle bolt and nut is tightened. Haven't
decided on this yet but I suspect it won't be necessary with good bearings
if the wheel-barrow bearings don't need it.
Cheers
Kingsley
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