7.5" Ring Gear. Bearing Only. Differential Carrier Bearing. Exc.4,600 Lbs. Front Axle. Part should be ordered by gear ratio. Ring Gear 7.50". Serviced w/Differential Carrier Bearing Race. Serviced w/Wheel Race. Wheel Bearing. Assembly - Ball. Axle S. Differential Carrier. Inner. Outer. Side S. Wheel.