'66 C20 carrier bearing

[1966chevyc20]

Originally Posted by DPowers

Have you crawled underneath it to confirm that it is the bearing?
And which one you have as they made two different styles.
Previous thread is here:
http://67-72chevytrucks.com/vboard/s...d.php?t=407861

When I'm looking for a bearing there are several inside diameters for the bearing and I do not know which one is correct. Do you know what the correct ID is for the bearing? The sizes I found are 1.378 and 1.574. I think it's the 1.378 but wanna make sure before I order.