Bearings are stamped. The number is used to replace the bearing. Reference and cross reference method. Easy.
Application and ID/OD/Width are also ways to find but take longer.
"Chevs of the 40's" shows the SAME part number for 3/4, 1T and 1 1/2 T. You are in luck. Could be
this (1954 3800) or equivalent. Scroll down to see the size.
