6203 2NSE Sealed Bearings - 17X40X12 Dimensions Review

Excellent product, price and early delivery. Both bearings in the Hayward Superpump II engine were replaced, after a complete overhaul only the original part remained - the engine itself. Preventive cleaning of the engine performed inside and out, front and rear bearings and condenser replaced. The bearings are well made and fit as intended. The five-year-old engine runs smoother and quieter in the Arizona sun. Bearings Used: 6203-2NSE Nachi Bearing 17x40x12 Sealed Ball Bearing C3…

Fake! (3 bearings, same QR code). Use the WBA Bearing Authenticator app found on Google Play and approved by all major bearing manufacturers. Each bearing must have a unique QR code that is checked against the manufacturer's database. All 3 of my bearings had the SAME (must be unique/different) poorly printed QR code, these were not legitimate manufacturer codes. There are no markings on the inner and outer rings. only with rubber seal. It seems to me that someone bought some CHINESE bearings…

After much research and reading Revain reviews I took a gamble and ordered two of these 6203 bearings. I swapped the front and rear bearings in a 1.5hp Hayward Tristar Emerson EE motor. The original bearings were made in China and lasted 7 years, they are Japanese and should last longer. You will need a puller to remove the original bearings. They are pressed in and cannot be removed without a puller. I ordered a 6 inch puller that worked great for the rear bearing. The jaws were too big for…