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
2X 6204-ZZ Ball Bearing 7/8 inch x 47mm x 14mm Double Shielded Seal New QJZ: Amazon.com: Industrial & Scientific