Rody,
Bearings are a very good option, however, all bearings are not 52100. I offer myself at your service to assist in identifying bearing steel. Just email me or PM here with the manufacturer and part number, and I'll be glad to let you know the steel chemistry of a bearing. scottickesknives@gmail.com
Thanks for the kind offer! Next time I intend to use a bearing (I use the races BTW, not the balls/rollers) I will certainly take you up on it. Funny thing, I went to our local bearing shop to ask for any old bearings they might have expecting funny looks. None of that, they just heaved a box full of old bearings (including some honkin big ones) onto the counter and wished me luck!
Cheers rody