(Set of 2) Trailer Hub Wheel Bearing Kit WPS (TM) 25580 15123 with Grease Seal 10-36 (Or 10-10) for 5200-6000 lb. EZ Lube Axle Inner Bearing Cone 25580 x 2 pcs, I.D. 1.75'' Inner Bearing Race 25520 x 2 pcs, O.D. 3.265'' Outer Bearing Cone 15123 x 2 pcs, I.D. 1.25'' Outer Bearing Race 15245 x 2 pcs, O.D. 2.441'' Grease Seal 10-36 (22333TB, Spindle D42, 2.250'' x 3.376'') x 2 pcs, or 10-10 (21333TB, Spindle D42, 2.125'' x 3.375'') x 2pcs