NTN DISC BEARING 1 3 4" ROUND FOR LANDOLL SUNFLOWER REPLACES 140477 SN3091 363219R91 Extended coupler prevents handle interference 491 132896 Extended coupler prevents handle interference 1 4" NPT inlet X 3 8" hose Interchange 975M566DB 00 Brand NTN Make Type Model Landoll Ripper Weatherproofer Landoll Vertical Tillage 7402 Sunflower Disc Harrow 1130 Sunflower Disc Harrow 1212 Sunflower Disc Harrow 1231 Sunflower Disc Harrow 1232 Sunflower Disc Harrow 1233 Sunflower Disc Harrow 1234 Sunflower Disc Harrow 1321 Sunflower Disc Harrow 1331 Sunflower Disc Harrow 1431 Sunflower Disc Harrow 1432 Sunflower Disc Harrow 1433 Sunflower Disc Harrow 1434 Sunflower Disc Harrow 1435 Sunflower Disc Harrow 1441 Sunflower Disc Harrow 1442 Sunflower Disc Harrow 1443 Sunflower Disc Harrow 1444 Sunflower Disc Harrow 1541 Sunflower Disc Harrow 1543 Sunflower Disc Harrow 1544 Sunflower Disc Harrow 1550 Sunflower Disc Harrow 6630 Sunflower Disc Harrow 6631 Sunflower Ripper 4306 Sunflower Ripper 4310 Sunflower Ripper 4311 Sunflower Ripper 4410 Sunflower Ripper 4411 Sunflower Ripper 4511 Sunflower Vertical Tillage 6600 NTN Disc Bearing the shields are crimped into outer ring grooves having a saw tooth gripping (STG) surface which securely holds the seals in place