Looks real good Oliver. Down the road if I have problems with my hubs I will change to a torsion axle. I think the hubs I used will hold up though. If you look at post #88 in the second pic the hub fits into that counter bore. It goes in there .550 and it has a two thousandths clearance. So it is supporting the weight and the bolts basically hold it in place.
the issue with that type of hub is not the mount to the axle, its the bearings, usually if it goes bad, and you dont catch it in time, the bearings fall apart and the spindle can fall right out of the housing, and thats even more of an issue if their overloaded. those are one of the worst things to happen to cars/trucks.
they are almost always rusted to the knuckle or axle, and have to be pressed, or beaten out, if theyre loose, they need to be replaced, they cant be adjusted, i hate the damn things. tapered roller bearing spindles and hubs are soo much stronger and last alot longer, and cheap and easy to fix.
i have em on the front axle of my dodge 3500 diesel, as soon as they go, its getting free spin hubs, with manual lock in's, and ill never need to replace the bearings again...