I worked with Michael in changing his spindle bearings starting here and it shows a couple wrenches
that can be made to help with removal.
http://www.cnczone.com/forums/bencht..._my_x2-20.html
Pics below of the upper spanner wrench I made.
These couple videos show how to remove the spindle and intermediate gears.
[ame=http://www.youtube.com/watch?v=hP-XvbV7Pc4&feature=plcp&context=C445fd85VDvjVQa1PpcF Mgf1pRyc2Rt2yha5my4NNIEpBOlX3ZjD8=]G0704 Spindle Bearing Replacement - YouTube[/ame]
G0704 intermediate gear removal.MP4 - YouTube
Hoss