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) :
Kugellager 24 x 8 x 8 mm 628 ZZ = 2Z Rillenkugellager Lager Metallabschirmung : Amazon.de: Gewerbe, Industrie & Wissenschaft