ACER Racing World Champion Ceramic Nitride Pro Series 12x24x6mm Ceramic Ball Bearing also referred to as a size 6901 ball bearing. Uses diamond polished Silicon Nitride Ceramic Balls. Price is for one 6901 ball bearing so please choose the quantity you wish to order. Uses a cream synthetic lubricant for the lowest friction.

The advantages of our ceramic bearings are vast including lighter weight, lower friction and heat, greater speeds and much greater durability. Fully sealed on both sides.