Here's all of the Milling Information...
Tool cutting the outside
Emuge-Franken Trochoidal, 2533L.012
Sfm 784
Fpt .0046
6347 rpm
200 ipm
10% step over
1.125 depth of cut
Tool roughing the inside
Emuge-Franken Jet cut duplex, 2611az.012
Sfm 500
Fpt .002
4043 rpm
33 ipm
25% step over
1.00 depth of cut

Tool semi finishing the inside
Emuge-Franken Jet cut duplex, 2611az.008
Sfm 750
Fpt .0045
9096 rpm
25% step over
6.35 step up for detail
1.00 depth of cut.

Tool finishing
Emuge-Franken Ball endmill, 2942a.0250
Sfm 512
Fpt .0017
7825 rpm
10% stepover