A slightly longer barrel would be nice as well as an easily adjustable tilt. A voltage regulator could be set to trip in low voltage situations according to the companies stated, main motor issue, could save stress.
As to bearings, most of the world uses a value of pi that makes it impossible to have a circle and square with the same area. Heres what it should be. Gorillagrow.org I found it messing with a formula that converts Kelvin to nm.
hmmmm....interesting no one has put out the reverse build theft...original owner didn't patent his machine...someone bought one and started using centurion label as it wasn't protected...the original builder changed his machine to shearline...been 5 yrs of use here...sent me 2 free upgrades...my .02