A wheel end assembly includes a carrier and a wheel bearing assembly, and an outside inner race is integrally formed with a spindle of the wheel bearing assembly. The wheel end assembly includes: a carrier having a cylindrical member on its one side and a second through pipe on its other side; and a wheel bearing assembly comprising a spindle integrally formed with an outside inner race on its one side and having an insert groove on its other side, a hub having an outer race having ball receiving members receiving balls, an inside inner race provided on the inner side of the outer race by pressurization, and a seal member sealing a gap between the inside inner race and the outer race.