CBRIGHT 20PCS 4 X 13 X 7mm Sealed Guide Wire Line Track Deep U Groove Pulley Rail Ball Bearing: Amazon.com: Industrial & Scientific
CNBTR 4x10x4mm Bearing Steel Mini Groove Ball Bearings Sliding Wheels DIY Industry MR104ZZ Pack of 10: Amazon.com: Industrial & Scientific
Donepart 684ZZ Small Bearings 4mm x 9mm x 4mm Double Shielded and Pre-Lubricated Deep Groove Ball Bearing (20 Pcs): Amazon.com: Industrial & Scientific
Ball Bearings, Pack of 10 Miniature Ball Bearings, Miniature Double Shield Bearings (693ZZ 3 x 8 x 4 mm) : Amazon.de: Business, Industry & Science
20 Pack 608 ZZ Ball Bearing, Bearing Steel & Double Iron Sealed Miniature Deep Groove 608
Carson 500904011 - Kugellager, 6 x 12 x 4 mm, 10 Stück: Amazon.de: Spielzeug
CNBTR 4x10x4mm Bearing Steel Mini Groove Ball Bearings Sliding Wheels DIY Industry MR104ZZ Pack of 10: Amazon.com: Industrial & Scientific
UEETEK 5pcs Kugellager 3 x 10 x 4 mm doppelt abgedichtete Rillenkugellager : Amazon.de: Gewerbe, Industrie & Wissenschaft
Kugellager 15,875 x 6,35 x 4,97 mm (5/8" x 1/4" x 13/64") R4 ZZ Rillenkugellager : Amazon.de: Gewerbe, Industrie & Wissenschaft
R188-ZZ Bearing 1/4 Inch x 1/2 Inch x 3/16 Inch Both Sides Metal Shielded and Pre-Lubricated with Grease Radial Miniature Ball Bearing: Amazon.com: Industrial & Scientific