If it was an 8c2300 Alfa I could understand the pur sang thing, but these cars of ours, to keep driving in California anyway, had better be up to it, and that means freeway speeds and safety.

Two Eminence Gris of the TC world have responded and pointed out that properly setup roller bearings won't break stub axles, so I stand corrected. I'm still not going to use them :-) I've already twisted off the top of a sector shaft, writing off one more of my lives, so I will happily motor on with...

Don't even think of using other than ball bearings in the front hubs. Stub axles are designed for balls and rollers tended to cause two piece stub axles. I can't locate the scholarly treatise on the subject, but if I do I shall post.