This Replacement Trailer Wheel Hub Kit from Tie Down has a completely sealed grease reservoir chamber for maximum lubrication. Includes bearings, seals, dust cap, cotter key, and lug nuts. Bearings and hub cavity come 100% pre-greased. Grease seal and bearings come pre-assembled. Capacity: 1750 lbs. 1-3/8" inner bearings and 1-1/16" outer bearings for tapered spindles.