Can a white zirconia ceramic bearings with silicon nitride ceramic balls beat the long history steel bearings?, the answer is simply YES, the ceramic material is lighter and has lower friction, therefore creates less heat and requires less energy to spin than the steel bearings. The steel bearings still have only one advantage, yes it is stronger, but with 8 bearings carrying the rider, ceramics showed successful stories.
Joel King has set a new world land-speed record for a jet-powered 'street luge' by reaching an average speed of 112.7mph (181.4km/h), even BBC couldn't hide it, and came in the article "He described the luge as like a modified skateboard, Joel used the full ceramic bearings kit8295 that is offered by VXB bearings. Skateboarders can now reach higher jumps, just don't try this at home. good luck