This is a A-267717M3 Shaft, Drive (LH side) PN: 267717M3Main Description As Following : A-267717M3 Shaft, Drive (LH side) P.N: 267717M3 Bearing A-831822M1 is available, it's used with these shaftsDim A (1): 41.625" long Crossed From: AV101649 VAPORMATIC Found in Section & Models : Headers/Platforms/Feeder House > Corn Head Parts, Massey Ferguson HEAD, CORN: 1144 (4 - 40" row corn head) Associated Items : New Also This is An Aftermarket Product And : Bearing A-831822M1 is available, it's used with these shafts Dim A (1): 41.625" long