Lew Hodgett wrote:

Robotoy followed:

Been there, done that.

Me to. Have become a great believer in LocTite.

Yabbut..in one case it didn't come off, the bearing just disintegrated.
Them little wee bearings @ 22,000 RPM with 3.5 HP and a 200 pound
(plus)
guy in a hurry,... well.. it is bound to happen... or so I'm told.
The only thing the LocTite will assure, is that the screw is still
neatly in place after the carnage.
Sometimes the laminate will jam itself between the bearing and the
cutters, creating all kinds of havoc... again, or so I'm told.

This works nicely:
http://www.pinske-edge.com/ then click on tool catalogue, then search
and enter #2800 into the search window.
Stupid money, mind you, but easily fabricated.