Donepart Skateboard Bearings 608ZZ ABEC3 High Speed 8x22x7mm Double Metal Shielded Bearings for Skateboards, Scooters, Longboard, Inline & Roller Skates, 3D Printer (8 Pack): Amazon.com: Industrial & Scientific
[5-Pack] 608-ZZ ABEC 5 Deep Groove Radial Ball Bearing 0.315 in x 0.866 in x 0.276 in (ID x OD x W) | 8 mm x 22 mm x 7 mm (ID x OD x W) with Double Metal Shield for Skateboard, 3D Printer, Long Board: Amazon.com: