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Re: CNC Machining Bearing Blocks
What I would do is turn most of it, then use a mill to cut the flange and drill the holes. You could use round stock and probably cut less off. Also, you could order a long bar of aluminum rather than small pieces and keep turning them.
For turning you would need a good contouring tool (at work, we use all ISCAR tooling) and then a good boring/ID tool. Then slap it on a mill and cut the rest with a drill and an end mill. Then as a bonus, chamfer it because chamfered things look nice!
And if you have the big bucks and have a really nice lathe with a live tooling, then you can do it all on the lathe
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