One-piece, marine-grade cast hub Bearings and hub cavity are 100 percent pre-greased Includes bearings, seals, dust caps, cotter pin, and lug nuts Hot dip galvanizing process offers superior resistance to corrosion Grease seal and bearings are pre-assembled 5 lug wheel hub – 5 lug nuts on a 4-1/2 inch bolt pattern Manufacturer part number 50-53141