This is the input shaft and the bearing at the end of it is the one that people always saying is bad so bought that specific bearing to replace it,but when i opened the transmission case, thats not the bearing that need to be replace,its this big bearing that you actually looking at right there on top of tge shaft. Its shaking badly so i ordered that and two more that was shaking slightly on the counter shaft ,the shaft that goes mext to this this.