Ceramic Hybrid Axle Bearing 5/8″ 3/4″ 1-1/4″ 17mm 25mm 30mm 40mm 50mm Go Kart
30mm, 40mm, & 50mm Specs Can you push your car with one hand?. Reduce your bearing rotating weight! Ceramic also has a lower amount of thermal expansion which also reduces temperatures. Bearings run cooler and vibration levels are lower at high RPM.