One New General Motors Hyatt Axle Shaft Bearing #OR1512, is for:

1940 1941 1942 Chevrolet 3/4 and 1 Ton Trucks. I believe it is also for 1941 thru 1942 GMC 3/4 and 1 Ton Trucks.

It is 2-3/4" OD x 1" wide and 2" ID.

Made in U.S.A.