31-Jan-09 With the shaft held between centers (we had drilled center holes in the ends before bending), we use a dial indicator to measure the total indicated runout after the bending operation. The stresses of the cold-formed bend caused the ends to move around, with a very large runout next to the bend point. We focused on getting each end to be within a thou of each other, around the area held in the pillow block. With this we are confident the tumbler shaft will rotate without binding.