Questions on a A1S-A mill (G1008)

[thedarkknightt]

They both cleaned up nicely, but there are rough spots in them both.

 

[Ken226]

Depending on the level of accuracy you expect and are willing to pay for, Abec5 is a good standard for a milling machine. I have have used these before in spindle rebuilds with good results.

https://www.grainger.com/product/FAG-BEARINGS-Angular-Contact-Ball-Bearing-4YWE8