6004-C-2HRS-C4 FAG Deep Groove Ball Bearing 20.00 x 42.00 x 12.00 mm : Amazon.de: Business, Industry & Science
Donepart 1" ID x 2" OD Bearing Garage Door Torsion Spring Center Bearings Deep Groove Ball Bearings with Snap Ring, 2 Pcs: Amazon.com: Industrial & Scientific