(Pack of 4) Trailer Hub Wheel Grease Seals WPS (TM) 168233TB 1.688'' x 2.332'' Double Lip #84 Spindle Dimension: I.D. 1.688'' x O.D. 2.332'' x Width 0.313'' Type: Double Lip, Spindle #84 Package: 4 pieces Use for Bearing L68149/L68110, 3500-4200 lb. Trailer Axles Seal Cross Reference: National#473317/47140; NOK#AF7616EO/AD2527EO; Chicago Rawhide#16657/1665