Rudder Skeg Bearing - No. 4 Enderlein
This rudder skeg bearing is in brass. And is 200 mm long, 70 mm wide and 60 mm high.
You use two of these and a rudder pin to assemble into a hinge.
One of the forks are mounted in the rudder, and the other in the hull.
After beeing mounted, are they laminated for creating a smooth surface, and avoid unnecessary resistance.