Dexter Axle 010-019-00 Grease Seal 1.72 ID x 2.565 OD Metal body construction with Double-Lip rubber seal. GREASE SEALS should be inspected frequently and replaced if they show signs of wear such as excess grease build up on the inside of wheel hub or trailer rim. Hub grease seals help prevent water and dirt from entering the hubs providing protection against bearing failure. Fits Dexter 10" x 2-1/4" Hubs / Drums. Used with 1-3/8" ID wheel bearings (L68149).