20 Pack Deep Groove Ball Bearings 608-2rs ABEC 7 Ball Bearings 8 mm x 22 mm x 7 mm Roller Bearings Miniature Radial Ball Bearings : Amazon.de: Business, Industry & Science
6001-2RS Ball Bearing Roller Bearing, Durable Multi-Use Rubber Sealed Deep Groove Ball Bearing 12 x 28 x 8 mm Pack of 10 : Amazon.de: Business, Industry & Science