Flanged vs. Straight Bushings: Look at the Side of the Joint
The bore is usually where a bushing enquiry starts. The enquiry might give you an ID, an OD and a length, with nothing showing either end of the housing. Enough to find a sleeve of the right size, perhaps. I’d still be reluctant to choose between a plain sleeve and a flanged one from that information.
Perhaps nothing is touching there. Perhaps the side of a moving arm is rubbing on a bracket. Or perhaps a washer already takes care of that contact. I would want to see that detail before recommending either shape.
For this comparison, let’s keep the whole joint in view.
