Check out these links. There may be more, but here's a start:

http://www.rdperf.com/
http://www.storsol.com/

John G. Talafous                         Sr. Tech. Prog/Anal
The Timken Company                 Phone: (330)-471-3390
P.O. Box 6927                           Fax  : (330)-471-4034
1835 Dueber Ave. S.W.
Canton, Ohio USA  44706-0927
talafous AT timken DOT com                  http://www.timken.com/