Important Details when Using Rod End Bearings #3
— Use large Washers under the bolt head
Use large washers under the bolt head to guard against the bearing falling out of the side of its body. Nothing is perfect and if there were a failure such that the bearing fell out, could your bolts slip through the hole and result in the loss of a critical component like an elevator. A simple addition of an appropriately large washer under the head will prevent this from happening.
Learn more: 5 Things You Must Know When Using Rod Ends #2