Go Kart Live Axle Bearing Kit for Round 3/4" OD Axles with a Keyway. Includes (2) 3/4" ID Self Aligning Axle Bearings, with Set Screws. (2) Sets of 2 Hole Bearing Flanges, (2) Thick Steel Bearing Hangers (weld to frame), Bolts and Locknuts. Everything to install a 3/4" Axle.