Amazon.com : Oldboy Ceramic Skateboard Bearings, Set of 8 Bearings for Skateboards, Longboards, Inline Skates, Rollerblades, Super Lube Ball Bearings, Skateboard Accessories (608RS ZrO2 at 8 x 22 x 7 mm) : Sports & Outdoors
Premium Skateboard Bearings – Titanium Coated, Ceramic Balls – Pro Longboard – High Speed, Precision for Skateboards, Longboards, Skates - Walmart.com
Zealous Built-In Longboard Skateboard Bearings (Steel or Ceramic)
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