74
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
14W
AF 131
145T
13.8
14.3
10.3
10.9
9.8
10.6
12.9
13.5
N/A
1
7
/
16
182T
12.9
13.5
9.5
10.2
9.0
9.9
12.0
12.6
184T
12.9
13.5
9.5
10.2
9.0
9.9
12.0
12.6
213T
12.2
12.9
8.9
9.7
8.4
9.4
11.3
12.0
215T
12.2
12.9
8.9
9.7
8.4
9.4
11.3
12.0
254T
11.3
12.0
8.1
9.0
7.7
8.7
10.4
11.1
AF 161
145T
21.2
22.2
18.7
20.0
18.2
19.5
21.2
22.2
N/A
1
11
/
16
182T
20.5
21.5
18.1
19.5
17.7
19.0
20.5
21.5
184T
20.5
21.5
18.1
19.5
17.7
19.0
20.5
21.5
213T
20.0
21.0
17.7
19.1
17.3
18.7
20.0
21.0
215T
20.0
21.0
17.7
19.1
17.3
18.7
20.0
21.0
254T
19.3
20.5
17.2
18.7
16.8
18.2
19.3
20.5
256T
19.3
20.5
17.2
18.7
16.8
18.2
19.3
20.5
16T
AF 131
56
21.7
23.7
19.9
21.9
19.7
21.7
21.2
23.2
N/A
1
7
/
16
143T
21.7
23.7
19.9
21.9
19.7
21.7
21.2
23.2
145T
21.7
23.7
19.9
21.9
19.7
21.7
21.2
23.2
182T
21.2
23.2
19.5
21.5
19.3
21.3
20.7
22.7
184T
21.2
23.2
19.5
21.5
19.3
21.3
20.7
22.7
213T
20.8
22.8
19.2
21.2
19.1
21.1
20.4
22.4
215T
20.8
22.8
19.2
21.2
19.1
21.1
20.4
22.4
254T
20.4
22.4
18.9
20.9
18.8
20.8
20.0
22.0
256T
20.4
22.4
18.9
20.9
18.8
20.8
20.0
22.0
AF 161
56
28.5
30.5
23.5
25.5
26.5
28.5
25.4
27.4
N/A
1
11
/
16
143T
28.5
30.5
23.5
25.5
26.5
28.5
25.4
27.4
145T
28.5
30.5
23.5
25.5
26.5
28.5
25.4
27.4
182T
28.0
30.0
23.1
25.1
26.1
28.1
24.9
26.9
184T
28.0
30.0
23.1
25.1
26.1
28.1
24.9
26.9
213T
27.7
29.7
22.8
24.8
25.9
27.9
24.5
26.5
215T
27.7
29.7
22.8
24.8
25.9
27.9
24.5
26.5
254T
27.2
29.2
22.4
24.4
25.6
27.6
24.0
26.0
256T
27.2
29.2
22.4
24.4
25.6
27.6
24.0
26.0
17W
AF 161
145T
21.2
22.2
18.7
20.0
18.2
19.5
21.2
22.2
N/A
1
11
/
16
182T
20.5
21.5
18.1
19.5
17.7
19.0
20.5
21.5
184T
20.5
21.5
18.1
19.5
17.7
19.0
20.5
21.5
213T
20.0
21.0
17.7
19.1
17.3
18.7
20.0
21.0
215T
20.0
21.0
17.7
19.1
17.3
18.7
20.0
21.0
254T
19.3
20.5
17.2
18.7
16.8
18.2
19.3
20.5
256T
19.3
20.5
17.2
18.7
16.8
18.2
19.3
20.5
AF 181
145T
21.2
22.1
18.3
19.3
17.5
19.0
21.2
22.0
1
11
/
16
1
15
/
16
182T
20.4
21.3
17.6
18.6
16.8
18.5
20.4
21.3
184T
20.4
21.3
17.6
18.6
16.8
18.5
20.4
21.3
213T
19.9
20.7
17.1
18.2
16.3
18.0
19.9
20.7
215T
19.9
20.7
17.1
18.2
16.3
18.0
19.9
20.7
254T
19.1
20.1
16.4
17.6
15.7
17.5
19.1
20.1
256T
19.1
20.1
16.4
17.6
15.7
17.5
19.1
20.1
18T
AF 161
56
28.5
30.5
23.5
25.5
26.5
28.5
25.4
27.4
N/A
1
11
/
16
143T
28.5
30.5
23.5
25.5
26.5
28.5
25.4
27.4
145T
28.5
30.5
23.5
25.5
26.5
28.5
25.4
27.4
182T
28.0
30.0
23.1
25.1
26.1
28.1
24.9
26.9
184T
28.0
30.0
23.1
25.1
26.1
28.1
24.9
26.9
213T
27.7
29.7
22.8
24.8
25.9
27.9
24.5
26.5
215T
27.7
29.7
22.8
24.8
25.9
27.9
24.5
26.5
254T
27.2
29.2
22.4
24.4
25.6
27.6
24.0
26.0
256T
27.2
29.2
22.4
24.4
25.6
27.6
24.0
26.0
AF 181
56
31.0
33.0
25.0
27.0
28.7
30.7
27.1
29.1
1
11
/
16
1
15
/
16
143T
31.0
33.0
25.0
27.0
28.7
30.7
27.1
29.1
145T
31.0
33.0
25.0
27.0
28.7
30.7
27.1
29.1
182T
30.5
32.5
24.5
26.5
28.3
30.3
26.6
28.6
184T
30.5
32.5
24.5
26.5
28.3
30.3
26.6
28.6
213T
30.1
32.1
24.2
26.2
28.0
30.0
26.1
28.1
215T
30.1
32.1
24.2
26.2
28.0
30.0
26.1
28.1
254T
29.7
31.7
23.8
25.8
27.7
29.7
25.6
27.6
256T
29.7
31.7
23.8
25.8
27.7
29.7
25.6
27.6
