Looking for bearings for mod of Boker Magnum Slicer

[multitoolsrock!]

I'm looking for some smooth bearings for a knife mod to Boker Magnum Slicer (ZT 0770 look alike). I've been looking at the Alpha Knife Supply ceramic bearings and was wondering if anyone has tried these or the USA Knife Maker bearing kit before. Any other suggestion would be gladly welcomed. Thanks.