10,000 lbs Trailer Axle Bearing Kit – 10K GD, Inner Bearing Set: 28580/28521, Outer Bearing Set: 25580/25520, Oil Seal 091030, 99 Spindle AL-K0 Rockwell Hayes

[Bearing Set #1] - Inner Cone: 28580, Inner Race: 28521 -- 2 in x 3.625 in (ID x OD) [Bearing Set #2] - Outer Cone: 25580, Outer Race: 25580 -- 1-3/4" x 3.265" (ID x OD) [Oil Seal] - 091030 (OB27377, CR27438), 2.750" x 3.779" (ID x OD) [Application] - 10,0