Mini Skater 16 PCS Silver Generic ABEC Precision 608 Zz Skate Ball Bearing Deck Longboard Bearings (16 Hulled) 16 PCS 608zz bearings of Blank Skateboard and Longboard bearings Inner Diameter : 8mm,outer Diameter : 22mm Pre-Lubricated Speed Lubricant Lube Provide the Best Performance and Durability High quality skate 608zz bearing, work with all types of skateboards and longboards.