Designed to fit hubs used on boat, utility, snowmobile and RV trailers including some Tracker Trailstar trailers. Kit includes: 2 cones, 2 cups, seal, cotter pin and dust cap. Attractively packed for retail sales. SPINDLE O.D.-1-3/8" X 1-1/16" . HUB DIAMETER- 1.98" . INNER BEARING CONE # L68149 . INNER BEARING CUP # L68110 Measures 2.32 inches . OUTER BEARING CONE #L44649 . OUTER BEARING CUP # L44610 Seal SL-173