Small Size Japan NSK NTN Koyo Deep Groove Ball Bearing 608 608zz 2RS Gcr15 Skateboard Bearings for Motor - China Bearing, Ball Bearing | Made-in-China.com
22mm ceramic bearing | Best skateboard bearings | skate bearings
20 Pack 608 ZZ Ball Bearing, Size Precision of 8 x 22 x 7 mm, Double Sealed Miniature Bearing-Steel, Deep Groove 608zz Bearings, for Skateboards, Inline Skates, Scooters,3D Printers: Amazon.com: Industrial & Scientific