Preload assembly for roller bearings

A preload assembly for bearings, said preload assembly for bearings comprising:

• A. a threaded bolt, said threaded bolt having a predetermined length and a threaded shaft having a predetermined diameter, said threaded bolt having an enlarged head, said enlarged head comprising a compression head and a center mounted hex head, said compression head being larger in diameter than said hex head, said compression head having a channel surrounding said hex head forming a wall around said hex head, there being a slot formed in said wall to receive a locking tab, an outside surface of said compression head having at least one helical thread thereon;
• B. an anti-rotational washer, said anti-rotational washer having a center opening which is larger than the bolt and enlarged head, but smaller than an axle on which the assembly is to be used, said anti-rotational washer having two side surfaces, an inside surface and an outside surface, said inside surface having a shallow recess larger in diameter than said axle, wherein said anti-rotation washer is to be used on said axle, said outside surface being a raised surface having a diameter larger than said axle, said center opening having contained therein a first locking tab that aligns with said slot in said wall;
• C. a serrated edge locking washer having a second locking tab;
• D. a threaded locking nut having a center opening and having a shallow outer profile and at least four locking notches in an outer edge thereof.