Ceramic Hybrid Ultra Seal
Ceramic Lightning, Ultra sealed Go Kart bearings are specially designed for use with reltively clean operating envrionments. The Ultra Seal is a non-contact, frictionless seal that is placed beneath a metal shields so they are still considered maintenance free and lubed for life. These bearings have ceramic balls, with stainless steel races and ploymite retainers. Ceramic hybrids are lighter, capable of achieving higher RPM's and sustaining higher operating temperatures than traditional bearings. Bearings that are packed in grease will require a short break in period to loosen up. Grease can usually be removed before shipping upon request.