RATROD,
Sorry for the confusion, guess that is what happens when several different conversations at once!

I am using my existing hub, and new tapered bearings from CPP
http://www.classicperform.com/Store/1947_59_Trucks/4759RBK.htm that look to be the same as what you have. I replaced one side late last year when the original roller bearing race decided it had had enough and started to drop the bearings about a mile from my house. I can tell you there are not any spacers required, I removed the old ball races and seats and then installed the new ones in less than an hour. Here is a link to those interested
http://www.classicperform.com/tech_articles/Tapered-Wheel-Bearings/Tapered-Wheel-Bearings.htmI have kept a close eye on the other side, and hope to make it through this summer and then swap it out when I do the disc brake upgrade.