According to the part numbers you gave it looks like you need outer bearing # L44649 with the matching race # L44610, inner bearing # L68149 with the matching race # L68111, and then the grease seal # 168233 which has an inner diameter of 1.688" and outer diameter of 2.332" which fits unique #84 spindle/hub combinations. This seal has the same dimensions of a 16667 seal that is commonly used on a vehicle.
The bearing kit # BK2-100 that you referenced has all of the bearings and races you... view full answer...