Here is the link on the A30 site to the information on the bearing that we all seem to have.
The Cutless Bearing is 1 3/8″ O.D. X 7/8″ I.D. The Buck Algonquin name is Barracuda.
The bearing on Laughing Gull was replaced in 2006 or 2007 – not the casing shown in picture on link just the bearing.