Trunnion Bearing Assembling, 1-3/4" Round bore, fits Sunflower Disc Models 1130, 1211, 1212, 1231, 1232, 1233, 1234, 1321, 1331, 1431, 1432, 1433, 1434, 1435, 1441, 1442, 1443, 1444, 1541, 1543, 1544, 1550, 4306, 6630, 6631. Disc Rippers 4310, 4311, 4410, 4411, 4511. Coulter Chisels 4211, 4212, 4213, 4232, 4233. Soil Conditioners 7211,  7212, 7213, 7232, 7251, 7252. also Fits Landoll Coulter Chisels 2110, 2130. Discs 6230, 7410VT, 7430VT, 7431VT, 7450VT. Weatherproofer Replaces OEM# Sunflower SN3060, Landoll 140477