Those same methods can work. It's about 60% the weight of steel. A jewelers saw works. The ring can fracture like a ceramic if it is squashed in a vise or if Journal bearing vise grips are used on it. Also, a hacksaw can work. A normal ring cutter works fine.
The ring would need to be held still while cutting, but it is possible to use. For use in a bearing race, by definition, the material is made as hard as possible and has sharp square corners, so that was not a very smart thing to do. Don't underestimate how sharp they are even though they have those tiny teeth. This is a device tha
