BC Precision CTS002 608-608ZZ Ceramic Skateboard Bearing608 ZZ Skateboard Bearings, Double Shielded, Silver (Pack of 8) $7.77.  Ten (10) 608-2RS 8x22x7 Precision Double Shielded Greased Ball Bearings 608 RS.  Mini Skater 16 PCS Black Generic ABEC 9 Precision 608 RS Skate Ball Bearing Deck Longboard Bearings(Black)Bearing 608ZZ Shielded 8x22x7 Miniature Ball Bearings(Pack608ZZ 8 x 22 x 7 mm Deep Groove Ball Bearing, 10 Pcs Double Metal Shielded, Fit for Skateboard Bearings, 3D Printer….  608 ZZ Ball Bearings(10PCS), 608ZZ Metal Double Shielded Miniature Deep Groove Skateboard Ball Bearings….  WEWGO 608-2RS Ball Bearings,Skateboard Bearings,Double 
608ZZ Ball Bearing - RobotDigg608ZZ Ball Bearing 10pc per pack Order No.: 608ZZ The 608ZZ Shielded Bearing, This bearing is made of chrome steel, each608 Full Ceramic Skate Bearing ZrO2/Si3N4 8x22x7 Ball608 Full Ceramic Skate Bearing ZrO2/Si3N4 8x22x7 Ball Bearings VXB Brand:  Coogam R188 Hybrid Ceramic 10 Ball Bearing for High-end Fidget Spinner Toy DIY .. Bearing 608ZZ Shielded 8x22x7 Miniature Ball Bearings(Pack of 10)Ceramic Skateboard Bearings | Lily Bearing"Ceramic skateboard bearings are hybrid skate ceramic bearings.  If the bearings are metal shielded, then we'll call it ceramic bearing 608zz, if it is a rubber