Amazon.com : Tanzfrosch 8 Pack Roller Skate Wheels with Bearings Installed and 2 Toe Stoppers for Double Row Skating, Quad Skates and Skateboard Outdoor or Indoor Use, 32mm x 58mm 82A (Black) :
Flanschkugellager F688zz Flansch Radialkugellager Kugellager 8x16 Metallstahl Doppeltes Abgeschirmtes Flansch kugellager 8 x 16 x 5 für Motor (10 Pcs) : Amazon.de: Gewerbe, Industrie & Wissenschaft