hello from New Zealand, 18 spline head ache a833.

i looked at the roller bearing on brewers and its sized for a normal size .75 shaft,

so ill either have to make a sleeve or a stepped bronze bush with a .6 ID

something like that, the 1st step may not be necessary but if i have it on the lathe and the material then why not.

Thanks all for the idea, i didnt even think of using the auto spigot,

ill take some photos tonight of my crank, everyone is super helpful to a youngin`

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I just posted the bearing, others pointed out it could be used.

Hope it works out for you! Keep us posted.