Peer Bearing 6203-2RLD 6200 Series Radial Bearings, 17 mm ID, 40 mm OD, 12 mm Width, Double Lip Seal: Amazon.com: Industrial & Scientific
2PACK TIMKEN 6203-2Z Double Metal Seal Bearings 17x40x12mm, Pre-Lubricated and Stable Performance and Cost Effective, Deep Groove Ball Bearings.: Amazon.com: Industrial & Scientific
Amazon.com : Horizon Spa & Pool Parts Motor Bearing, 6203, 15.9mm I.D. : Patio, Lawn & Garden
10 Pcs 6203-2RS Ball Bearings (17x40x12mm) Double Rubber Red Seal Bearing, Deep Groove for Garden