Amazon.com: SKF 61828/C3 - Radial/Deep Groove Ball Bearing - Round Bore, 140 mm ID, 175 mm OD, 18 mm Width, Open, C3 : Industrial & Scientific
Skf 6203-2RSH/C3 Deep Groove Ball Bearing: Deep Groove Ball Bearings: Amazon.com: Industrial & Scientific
Ball bearing SKF 6201 ZZ (2Z) C3; for shaft 12 mm (12 x 32 x 10 mm; single row deep groove ball bearing, sealed on both sides) : Amazon.de: Business, Industry & Science