Amazon.com: Low Noise 5mm Thickness Double Shielded Ball Bearing, 10Pcs Ball Bearing, for Many Different Projects Small Hobby 6mm Shaft Long Service Life Rod Projects : Industrial & Scientific
NTN Bearing 6204ZZ Single Row Deep Groove Radial Ball Bearing, Normal Clearance, Steel Cage, 20 mm Bore ID, 47 mm OD, 14 mm Width, Double Shielded: Amazon.com: Industrial & Scientific
NTN Bearing 6204ZZ Single Row Deep Groove Radial Ball Bearing, Normal Clearance, Steel Cage, 20 mm Bore ID, 47 mm OD, 14 mm Width, Double Shielded: Amazon.com: Industrial & Scientific