CE Smiths Tapered Trailer Hub Kits are fully assembled with greased bearings, making installation clean and easy. Comes with dust caps, cotter pins and lug nuts. 16 max. wheel size. Available: 1-3/8 to 1-1/16 Taper 6 stud x 5.5 bolt circle dia. 1-3/8 to 1-1/16 tapered shaft. Wt. capacity: 1,750 lbs. Wheel flange dia: 6.75. Hub inner dia: 1.98. 1-3/4 to 1-1/4 Taper 6 stud x 5.5 bolt circle dia. 1-3/4 to 1-1/4 tapered shaft. Wt. capacity: 3,000 lbs. Wheel flange dia: 7.25. Hub inner dia: 2.44. 1-3/4 to 1-1/4 Taper 8 stud x 6.5 bolt circle dia. 1-3/4 to 1-1/4 tapered shaft. Wt. capacity: 3,500 lbs. Wheel flange dia: 8.5. Hub inner dia: 2.71. Type: Hub Kits.