Lockwashers

Your bearing adapter sleeve cant be complete without a bearing lockwasher from Mechanidrive.  The bearing lockwasher serves as the buffer between the back of the bearing locknut and the bearing surface.  It protects the locknut and bearing shaft during compression and adds the needed clearance the entire assembly needs.  Mechanidrve sells bearing lockwashers in imperial(inch) and metric sizes and a broad range of material thicknesses.