well I was wondering why the snap ring was off its slot and just hanging there and when I did get the parts out I see the spline was twisted and so it wont slide far enough to get room for the snap ring to go on. real close but not quite there . so im not sure how it came off or how long its been off or whoever worked on it earlier left it off. and so I also don't see how far axle bearing goes on ? It looks like it not on far enough and I don't see a stop for it or a ridge ? I think the bearings are both good and seal looks fair but I have it apart I am going to get new. . Is there a point when you press the new bearing on that it comes up against a ridge like other shafts so you know its where it is supposed to be ? even though its a 615 I believe the final is the same as the agriculture D 15. So I m looking for a axle and I imagine the right and left side is the same part # ?