One New Aftermarket SpecificationsBR5 or more used per rim916 X 18 UNF thread1 18 long thread78 hex head45 degree taperbbBRbbBRbbBRbFits ModelsbBRbbBRbFits Allis Chalmersb Rear WD, WD45, D10, D12, D14, D15, D17, 170, 175, 180, 185, I40, I60, I400, I600 bAveryb Rear A, R, BF, BG bFits Caseb Rear 200B, 300B, 320B, 400B, 420, 430, 470, 480, 500B, 530, 570, 580, 600B, 630, W3 Industrials bCockshuttb Rear COOP E2, E3, E4, E5, bCockshuttb 20, 30, 40, 50, 540, 550 with stamped steel dish Golden Eagle and Blackhawks IH Fits FARMALL Front 140, 240, 300U, 330, 340, 350U, B250, B275, B414, 354, 364, 384, 404, 2404, 424, 2424, 444, 2444, 460, 504, 544, 560, 606, 656, 660, 664, 666, 686, 706, 756, 766, 786, 806, 826, 856, 886, 966, 986, 1026, 1066, 1086, 1206, 1256, 1456, 1466, 1468, 1486, 1566, 1568,