Quote Originally Posted by Katanadan View Post
That's what we thought. How long would it typically take before it becomes unusable?
Nobody can really answer that question, all based on luck really. Compromised bearing(s) aren't necessarily something you can call usable at the first place, if this is confirmed to be the problem, mind you.
I would monitor both the spindle temperature ramping curve and the operation temp closely. If really you need to process those parts...