Tuning Up Cheap Chinese Linear Bearing

Cheap linear bearings to upgrade my 3D printer to the BLV Mod AND NO! NO WD40 WAS NOT USED ON THE BEARINGS!!! Replacement bearings 3/32" Inch Chrome Steel Bearing Balls G25 https://goo.gl/FTEvtH Linear Guide MGN12H Bearings https://www.aliexpress.com/item/12mm-Linear-Guide-MGN12-L-100-200-300-350-400-450-500-550-600-700-800/32861278496.html?spm=a2g0s.9042311.0.0.27424c4dUqaz6V