... the different parts, for the simple surfaces (eg, the cylindrical cylinder), generally only adjust the relative position of the shaping movement ... NTN bearings with Block, NTN flat ball bearings, NTN cylindrical roller bearings, NTN linear guide bearings, NTN ball screw ... NTN bearings with Block, NTN flat ball bearings, NTN cylindrical roller bearings, NTN linear guide bearings, NTN ball screw ...