72378514 Bearing Cup And Cone Assembly Inner diameter of 2.94 inches Outer diameter of 5.12 inches Often used in gear box or four wheel drive applications Replaces 1109966, 391336V1, 391336X1, 676371A Oliver 1250, 1250A, 1255, 1355, 1365, 1370, 1450, 1465, 1470.