Byron--You can purchase bearings and seals at any bearing distributor in the country. Just look in the classified under bearings, and bring in either the old bearings and seals, or the part numbers. Remember when you remount the hub and wheel, the tapered bearing preload must be loose. Lightly wrench tighten the nut to remove all play. Spin wheel by hand, to insure grease is spread out on the bearing surfaces. Grab tire top and bottom and shake. Should be no play. Loosen nut and finger tighten. Shake again, should be no play. Loosen one notch. Shake again, should have play, or looseness. Insert cotter pin, and the grease cap, and you are good to go. Taper bearings on wheels always run loose. Happy Airstreaming.--Frank S
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