70
Table 22 —
Forward-Curved Fan Drive Centerline Distances in Inches (cont)
39M UNIT
SIZE
FAN MODEL
NO.
MOTOR
SIZE
BHF/BHR
DBF/DBR
THF/THR
UBF/UBR
FAN SHAFT DIAM. (in.)
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
Class 1
Class 2
61W
FC A27-27H
256T
34.0
36.3
25.8
28.6
28.5
31.2
29.8
32.2
1
11
/
16
2
7
/
16
284T
33.5
35.8
25.5
28.4
28.1
30.8
29.3
31.8
286T
33.5
35.8
25.5
28.4
28.1
30.8
29.3
31.8
324T
32.8
35.2
25.1
28.0
27.6
30.4
28.7
31.3
326T
32.8
35.2
25.1
28.0
27.6
30.4
28.7
31.3
FC A30-30H
184T
36.3
38.4
25.8
28.5
29.7
32.1
31.1
33.3
1
11
/
16
2
11
/
16
213T
35.6
37.6
25.3
28.0
29.1
31.6
30.4
32.7
215T
35.6
37.6
25.3
28.0
29.1
31.6
30.4
32.7
254T
34.8
36.9
24.8
27.5
28.5
31.0
29.7
32.0
256T
34.8
36.9
24.8
27.5
28.5
31.0
29.7
32.0
284T
34.3
36.4
24.4
27.2
28.0
30.6
29.2
31.6
286T
34.3
36.4
24.4
27.2
28.0
30.6
29.2
31.6
324T
33.5
35.7
24.0
26.8
27.5
30.1
28.6
30.9
72W
FC 32
182T
35.7
38.2
18.2
23
27.2
30.9
27.7
30.1
2
3
/
16
2
3
/
16
184T
35.7
38.2
18.2
23
27.2
30.9
27.7
30.1
213T
35.1
37.6
17.9
22.8
26.7
30.4
27.1
29.5
215T
35.1
37.6
17.9
22.8
26.7
30.4
27.1
29.5
254T
34.3
36.9
17.4
22.5
26.0
29.9
26.2
28.8
256T
34.3
36.9
17.4
22.5
26.0
29.9
26.2
28.8
284T
33.6
36.4
17.1
22.2
25.5
29.5
25.6
28.2
286T
33.6
36.4
17.1
22.2
25.5
29.5
25.6
28.2
324T
32.8
35.6
16.8
22.0
24.8
29.0
24.7
27.5
326T
32.8
35.6
16.8
22.0
24.8
29.0
24.7
27.5
364T
32.0
34.9
16.5
21.8
24.2
28.5
23.9
26.8
365T
32.0
34.9
16.5
21.8
24.2
28.5
23.9
26.8
FC 36
182T
41.2
43.6
22.7
27.5
31.7
35.4
32.9
35.5
2
7
/
16
2
7
/
16
184T
41.2
43.6
22.7
27.5
31.7
35.4
32.9
35.5
213T
40.6
43.0
22.4
27.2
31.2
35.0
32.3
35.0
215T
40.6
43.0
22.4
27.2
31.2
35.0
32.3
35.0
254T
39.7
42.3
21.9
26.9
30.5
34.4
31.5
34.2
256T
39.7
42.3
21.9
26.9
30.5
34.4
31.5
34.2
284T
39.1
41.7
21.6
26.7
30.0
34.0
30.8
33.7
286T
39.1
41.7
21.6
26.7
30.0
34.0
30.8
33.7
324T
38.3
41.0
21.3
26.4
29.4
33.5
30.0
33.0
326T
38.3
41.0
21.3
26.4
29.4
33.5
30.0
33.0
364T
37.5
40.3
20.9
26.2
28.7
33.0
29.2
32.3
365T
37.5
40.3
20.9
26.2
28.7
33.0
29.2
32.3
85W
FC 36
182T
41.2
43.6
22.7
27.5
31.7
35.4
32.9
35.5
2
7
/
16
2
7
/
16
184T
41.2
43.6
22.7
27.5
31.7
35.4
32.9
35.5
213T
40.6
43.0
22.4
27.2
31.2
35.0
32.3
35.0
215T
40.6
43.0
22.4
27.2
31.2
35.0
32.3
35.0
254T
39.7
42.3
21.9
26.9
30.5
34.4
31.5
34.2
256T
39.7
42.3
21.9
26.9
30.5
34.4
31.5
34.2
284T
39.1
41.7
21.6
26.7
30.0
34.0
30.8
33.7
286T
39.1
41.7
21.6
26.7
30.0
34.0
30.8
33.7
324T
38.3
41.0
21.3
26.4
29.4
33.5
30.0
33.0
326T
38.3
41.0
21.3
26.4
29.4
33.5
30.0
33.0
364T
37.5
40.3
20.9
26.2
28.7
33.0
29.2
32.3
365T
37.5
40.3
20.9
26.2
28.7
33.0
29.2
32.3
FC 40
182T
46.1
48.6
27.0
31.9
35.7
39.5
37.6
40.4
2
7
/
16
2
7
/
16
184T
46.1
48.6
27.0
31.9
35.7
39.5
37.6
40.4
213T
45.5
48.1
26.6
31.6
35.2
39.0
37.0
39.8
215T
45.5
48.1
26.6
31.6
35.2
39.0
37.0
39.8
254T
44.6
47.3
26.2
31.3
34.5
38.4
36.2
39.1
256T
44.6
47.3
26.2
31.3
34.5
38.4
36.2
39.1
284T
44.0
46.8
26.0
31.1
34.0
38.0
35.6
38.6
286T
44.0
46.8
26.0
31.1
34.0
38.0
35.6
38.6
324T
43.2
46.0
25.6
30.8
33.4
37.5
34.8
37.9
326T
43.2
46.0
25.6
30.8
33.4
37.5
34.8
37.9
364T
42.4
45.3
25.3
30.5
32.8
36.9
34.0
37.2
365T
42.4
45.3
25.3
30.5
32.8
36.9
34.0
37.2
