I found a company out of china. He sells alot on ebay (RCMART>COM). I've ordered from him before and had good products from him. That's great price for bearings. I've used his bearings before and they lasted along time. Here is the ebay link and his store. There cheaper on ebay with the shipping.
http://cgi.ebay.com/YB6015M-Metal-Be...sid=p1638.m118
http://www.rcmart.com/catalog/produc...ducts_id=11443