drush-7.x_5.1-1.noarch.rpm

after searching the web a bit, i found this script which will create an rpm of drush for you. so i have run the script and now have drush 5 in rpm form. i am attaching both the script and the rpm to this article. the script so that you and i can always have a copy and the rpm so we dont have to

you may have to do a post install step

ln -s /usr/local/drush/drush /usr/bin/drush

Edit: drush is now in EPEL, see this how to