TIMKEN / FAFNIR AG SPECIAL RADIAL BEARING - 1" ROUND BORE - PLANTER ROW MARKER BLADES - REPLACES AA346161 inch ID Row Marker and Furrowing Disc Bearing for John Deere 7000 Series, 1700 Series, and DB Planters. Replaces JD AA34616. Interchange 308206KPR4, Net Weight (lbs) 0. 63 Brand Timken Make Type Model John Deere Planter 1700 John Deere Planter 1705 John Deere Planter 1710 John Deere Planter 1715 John Deere Planter 1720 John Deere Planter 1725 John Deere Planter 1725NT John Deere Planter 1730 John Deere Planter 1735 John Deere Planter 1750 John Deere