Type “MOOG universal joints (U- joints) by size” into your favorite browser, open to view. Scroll down their excellent chart. You can select the size required for each bearing cup and they provide a part number that will do the job.

1954 Chevy 1300 engine 235 (1959)
1955 (first series) Chevy 3100 engine 261 (1957)
1927 (other brand) Model T- engine 327 (1968)