5 studs 4.5" bolt circle using l44643 inner and outer bearings. contains truryde inner bearing, outer bearing, seal, grease cap and lug nuts. fits a bt8 spindle (1" od) - will not work on 1 1/16" spindle or some marine trailer axles. truryde hubs are pre-raced & all studs are 1/2"-20 with yellow finished zinc plating. truryde parts are manufactured to automotive standard in iso/ts-16949 registered factory.
