SuperATV Polaris General Heavy-Duty Carrier Bearing 2017+Stronger and Smoother With a SuperATV Heavy Duty Carrier Bearing installed on your Polaris General 4 1000, you can count on reliable, long lasting use, and smooth, low vibration operation. Thats because our greaseable self aligning bearing keeps everything perfectly in line. The carrier is avalable in billet or cast cast aluminum, and the two piece carrier design means installation is easy. Greaseable and Fully Sealed Unlike the factory bearing,