76
Table 23 —
Airfoil 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
25T
AF 201
56
33.2
35.2
28.1
30.1
30.9
32.9
30.5
32.5
1
11
/
16
1
15
/
16
143T
33.2
35.2
28.1
30.1
30.9
32.9
30.5
32.5
145T
33.2
35.2
28.1
30.1
30.9
32.9
30.5
32.5
182T
32.6
34.6
27.7
29.7
30.5
32.5
30.0
32.0
184T
32.6
34.6
27.7
29.7
30.5
32.5
30.0
32.0
213T
32.3
34.3
27.3
29.3
30.2
32.2
29.5
31.5
215T
32.3
34.3
27.3
29.3
30.2
32.2
29.5
31.5
254T
31.8
33.8
26.9
28.9
29.8
31.8
29.0
31.0
256T
31.8
33.8
26.9
28.9
29.8
31.8
29.0
31.0
284T
31.4
33.4
26.6
28.6
29.6
31.6
28.6
30.6
286T
31.4
33.4
26.6
28.6
29.6
31.6
28.6
30.6
AF 221
56
35.3
37.3
29.2
31.2
32.8
34.8
32.0
34.0
1
15
/
16
2
3
/
16
143T
35.3
37.3
29.2
31.2
32.8
34.8
32.0
34.0
145T
35.3
37.3
29.2
31.2
32.8
34.8
32.0
34.0
182T
34.7
36.7
28.7
30.7
32.3
34.3
31.4
33.4
184T
34.7
36.7
28.7
30.7
32.3
34.3
31.4
33.4
213T
34.3
36.3
28.4
30.4
32.0
34.0
30.9
32.9
215T
34.3
36.3
28.4
30.4
32.0
34.0
30.9
32.9
254T
33.8
35.8
27.9
29.9
31.5
33.5
30.4
32.4
256T
33.8
35.8
27.9
29.9
31.5
33.5
30.4
32.4
284T
33.4
35.4
27.5
29.5
31.2
33.2
29.9
31.9
286T
33.4
35.4
27.5
29.5
31.2
33.2
29.9
31.9
30W
AF 221
182T
27.4
28.9
24.2
25.8
24.1
25.7
27.4
28.9
1
15
/
16
2
3
/
16
184T
27.4
28.9
24.2
25.8
24.1
25.7
27.4
28.9
213T
26.9
28.4
23.7
25.5
23.7
25.5
26.9
28.4
215T
26.9
28.4
23.7
25.5
23.7
25.5
26.9
28.4
254T
26.1
27.7
23.1
25.0
23.0
24.9
26.1
27.7
256T
26.1
27.7
23.1
25.0
23.0
24.9
26.1
27.7
284T
25.6
27.3
22.7
24.5
22.6
24.6
25.6
27.3
286T
25.6
27.3
22.7
24.5
22.6
24.6
25.6
27.3
324T
24.9
26.7
22.1
24.0
22.1
24.2
24.9
26.7
30T
AF 201
56
33.2
35.2
28.1
30.1
30.9
32.9
30.5
32.5
1
11
/
16
1
15
/
16
143T
33.2
35.2
28.1
30.1
30.9
32.9
30.5
32.5
145T
33.2
35.2
28.1
30.1
30.9
32.9
30.5
32.5
182T
32.6
34.6
27.7
29.7
30.5
32.5
30.0
32.0
184T
32.6
34.6
27.7
29.7
30.5
32.5
30.0
32.0
213T
32.3
34.3
27.3
29.3
30.2
32.2
29.5
31.5
215T
32.3
34.3
27.3
29.3
30.2
32.2
29.5
31.5
254T
31.8
33.8
26.9
28.9
29.8
31.8
29.0
31.0
256T
31.8
33.8
26.9
28.9
29.8
31.8
29.0
31.0
284T
31.4
33.4
26.6
28.6
29.6
31.6
28.6
30.6
286T
31.4
33.4
26.6
28.6
29.6
31.6
28.6
30.6
AF 221
182T
37.2
39.2
30.4
32.4
35.0
37.0
32.9
34.9
1
15
/
16
2
3
/
16
184T
37.2
39.2
30.4
32.4
35.0
37.0
32.9
34.9
213T
36.8
38.8
30.0
32.0
34.7
36.7
32.5
34.5
215T
36.8
38.8
30.0
32.0
34.7
36.7
32.5
34.5
254T
36.3
38.3
29.6
31.6
34.3
36.3
31.9
33.9
256T
36.3
38.3
29.6
31.6
34.3
36.3
31.9
33.9
284T
36.0
38.0
29.2
31.2
34.0
36.0
31.5
33.5
286T
36.0
38.0
29.2
31.2
34.0
36.0
31.5
33.5
324T
35.5
37.5
28.8
30.8
33.7
35.7
31.0
33.0
326T
35.5
37.5
28.8
30.8
33.7
35.7
31.0
33.0