More stuff from the barn. All fan pulleys:

#29518 36 - 6 7/8" x 3"
#37511 26 - 5 7/8" x 2"
#22026 66 - 6 1/2" x 1 1/2"
#36989 07D - 5 7/8" x 1 1/4"

here are some I couldn't find numbers on:

6 7/8" x 2 5/8"
5 3/4" x 2 3/4"
6 1/4" x 1 1/2"
6 1/2" x 1 5/8"
6 1/4" x 2 1/2"
6 7/8" x 2 3/4"

2 groove fan pulley #351689 - AA