Amazon.com: ANCIRS, 20 Pack 608-2RS Ball Bearing - Double Rubber Sealed Shielded Miniature Deep Groove 608rs Bearing for Skateboards, Inline Skates, Scooters, Roller Blade Skates & Long Boards (8mm x 22mm x
20 Stück Kugellager, V623ZZ Riemenscheibe, Miniatur Rollenlager aus Karbonstahl für Linearschiene System 3 x 12 x 4 mm : Amazon.de: Gewerbe, Industrie & Wissenschaft
608 ZZ Ball Bearings(10PCS), 608ZZ Metal Double Shielded Miniature Deep Groove Skateboard Ball Bearings (8mm x 22mm x 7mm): Amazon.com: Industrial & Scientific
R166 ZZ Bearing, ID 3/16 inch x OD 3/8 inch x 1/8 inch Miniature Ball Bearing, Metal Shielded and Pre-Lubricated with Grease, 3/16 inch Precision Roller Bearing (10 Pack): Amazon.com: Industrial & Scientific