Traditional front axle assemblies, and rear full-float axles, typically use a set of tapered-roller bearings on the spindle that mate to a set of tapered races pressed into the wheel hub. Once the bearings are slipped on with the wheel hub, a flat washer and a hex nut follow. This first nut sets the bearing preload tension. A second washer is then installed and it has some means of locking the position of the preload adjustment nut. Finally, a second nut is installed and tightened to secure the entire assembly in place.