Amazon.com : Z-FIRST High Speed 608RS Hybrid Black Ceramic Bearings for Longboard, Inline Skates, Skateboard, Scooters, Skateboard and More (Pack of 4, Black) : Sports & Outdoors
608 2rs Hybrid Ceramic Bearing Abec-7 ( 8 Pcs) 8x22x7 Mm Skateboard Spinner Ceramic Nitride Pro Series 608rs Si3n4 Ball Bearings - Bearings - AliExpress