Amazon.com : Z-FIRST High Speed 608RS Hybrid Black Ceramic Bearings for Longboard, Inline Skates, Skateboard, Scooters, Skateboard and More (Pack of 4, Black) : Sports & Outdoors
Stainless steel ball bearings SS-6814 open 70x90x10 mm, 80,90 €
LV201 ZZ bearing wheel 1PC 12*41*20mm LV series V groove pulley Traces walking guide rail bearings roller LV201ZZ|Bearings| - AliExpress