3/8" UNF Studs on 4" (101.6mm) PCD. 2 x Inner 1" Taper Roller Bearing. 2 x Outer 1" Taper Roller Bearing c/w Seal. Pair of Trailer Cast Wheel Hubs 4 Stud with a. 2 x Cast 4 Stud Trailer Hubs. The bearing shells are pre pressed into the hub ready for quick fitting.
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