73
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
10W
REAR
MOUNT
MOTOR
AF 121
56
19.5
20.3
15.0
15.5
17.3
18.2
19.1
19.9
N/A
1
3
/
16
143T
19.5
20.3
15.0
15.5
17.3
18.2
19.1
19.9
145T
19.5
20.3
15.0
15.5
17.3
18.2
19.1
19.9
182T
19.0
19.8
14.5
15.0
17.0
18.0
18.6
19.4
184T
19.0
19.8
14.5
15.0
17.0
18.0
18.6
19.4
10W SIDE
MOUNT
MOTOR
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
11T
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
12T
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
12W
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
17.2
17.8
14.1
14.9
13.4
14.4
17.2
17.8
N/A
1
11
/
16
182T
16.4
17.0
13.3
14.1
12.7
13.7
16.4
17.0
184T
16.4
17.0
13.3
14.1
12.7
13.7
16.4
17.0
213T
15.7
16.4
12.7
13.7
12.1
13.1
15.7
16.4
215T
15.7
16.4
12.7
13.7
12.1
13.1
15.7
16.4
254T
14.9
15.7
12.0
13.0
11.4
12.5
14.9
15.7
