Loading... Please wait...Disc Bearing Kit,consists of (1) Bearing, (1)Flange W/ Zerk, (1) Gasket, 4 Bolt, Nuts and Washers.For John Deere Rear 637 Disc, 310, 315, 330, 331, 335,340, 350, 355, 360, 370, 637, 640, 650, 670, 512 Ripper For 1-1/4" Axle.Replacement OEM #AA30942, FD211R2-3/16" KIT