FAN SIZE
A
B
C
D
HP
RPM
56
22"
44"
12 EA. - .625" 24.5" B.C.
27.5"
25 - 40
3500
63
25"
47"
12 EA. - .625" 27.5" B.C.
30.5"
71
28"
50"
12 EA. - .625" 30.5" B.C.
33.5"
40 - 75
75
30"
12 EA. - .625" 33" B.C.
35.5"
50 - 100
80
31.5"
12 EA. - .625" 34.5" B.C.
37"