Please view the picture of the gimbal bearing Oracle arm.
http://www.diyaudio.com/forums/showthread.php?s=34e5da99b761b666564929311f701c1d&postid=861098#post861098
http://www.diyaudio.com/forums/showthread.php?s=34e5da99b761b666564929311f701c1d&postid=861098#post861098