Used on 87-99 Big Twin (excl. Twin Cam) that are converted from one-piece bearings to cages with loose rollers. Used with steel cages. Incl. 32 x short rollers, 16 x long rollers. Repl. 9106A + 9184. Note: For reference STD size is .1875\" OD x .3240\" (short) and .1875\" OD x .5815\" (long).