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Table 23 — Airfoil Fan Drive Centerline Distances in Inches (cont)
FAN
39M UNIT
MOTOR
MODEL
SIZE
SIZE
NO.
56
143T
10W REAR
MOUNT
AF 121
145T
MOTOR
182T
184T
145T
182T
10W SIDE
184T
MOUNT
AF 131
213T
MOTOR
215T
254T
56
143T
145T
182T
AF 131
184T
213T
215T
254T
256T
11T
56
143T
145T
182T
AF 161
184T
213T
215T
254T
256T
56
143T
145T
182T
AF 131
184T
213T
215T
254T
256T
12T
56
143T
145T
182T
AF 161
184T
213T
215T
254T
256T
145T
182T
184T
AF 131
213T
215T
254T
12W
145T
182T
184T
AF 161
213T
215T
254T
BHF/BHR
DBF/DBR
MIN
MAX
MIN
19.5
20.3
15.0
19.5
20.3
15.0
19.5
20.3
15.0
19.0
19.8
14.5
19.0
19.8
14.5
13.8
14.3
10.3
12.9
13.5
9.5
12.9
13.5
9.5
12.2
12.9
8.9
12.2
12.9
8.9
11.3
12.0
8.1
21.7
23.7
19.9
21.7
23.7
19.9
21.7
23.7
19.9
21.2
23.2
19.5
21.2
23.2
19.5
20.8
22.8
19.2
20.8
22.8
19.2
20.4
22.4
18.9
20.4
22.4
18.9
28.5
30.5
23.5
28.5
30.5
23.5
28.5
30.5
23.5
28.0
30.0
23.1
28.0
30.0
23.1
27.7
29.7
22.8
27.7
29.7
22.8
27.2
29.2
22.4
27.2
29.2
22.4
21.7
23.7
19.9
21.7
23.7
19.9
21.7
23.7
19.9
21.2
23.2
19.5
21.2
23.2
19.5
20.8
22.8
19.2
20.8
22.8
19.2
20.4
22.4
18.9
20.4
22.4
18.9
28.5
30.5
23.5
28.5
30.5
23.5
28.5
30.5
23.5
28.0
30.0
23.1
28.0
30.0
23.1
27.7
29.7
22.8
27.7
29.7
22.8
27.2
29.2
22.4
27.2
29.2
22.4
13.8
14.3
10.3
12.9
13.5
9.5
12.9
13.5
9.5
12.2
12.9
8.9
12.2
12.9
8.9
11.3
12.0
8.1
17.2
17.8
14.1
16.4
17.0
13.3
16.4
17.0
13.3
15.7
16.4
12.7
15.7
16.4
12.7
14.9
15.7
12.0
THF/THR
MAX
MIN
MAX
15.5
17.3
18.2
15.5
17.3
18.2
15.5
17.3
18.2
15.0
17.0
18.0
15.0
17.0
18.0
10.9
9.8
10.6
10.2
9.0
9.9
10.2
9.0
9.9
9.7
8.4
9.4
9.7
8.4
9.4
9.0
7.7
8.7
21.9
19.7
21.7
21.9
19.7
21.7
21.9
19.7
21.7
21.5
19.3
21.3
21.5
19.3
21.3
21.2
19.1
21.1
21.2
19.1
21.1
20.9
18.8
20.8
20.9
18.8
20.8
25.5
26.5
28.5
25.5
26.5
28.5
25.5
26.5
28.5
25.1
26.1
28.1
25.1
26.1
28.1
24.8
25.9
27.9
24.8
25.9
27.9
24.4
25.6
27.6
24.4
25.6
27.6
21.9
19.7
21.7
21.9
19.7
21.7
21.9
19.7
21.7
21.5
19.3
21.3
21.5
19.3
21.3
21.2
19.1
21.1
21.2
19.1
21.1
20.9
18.8
20.8
20.9
18.8
20.8
25.5
26.5
28.5
25.5
26.5
28.5
25.5
26.5
28.5
25.1
26.1
28.1
25.1
26.1
28.1
24.8
25.9
27.9
24.8
25.9
27.9
24.4
25.6
27.6
24.4
25.6
27.6
10.9
9.8
10.6
10.2
9.0
9.9
10.2
9.0
9.9
9.7
8.4
9.4
9.7
8.4
9.4
9.0
7.7
8.7
14.9
13.4
14.4
14.1
12.7
13.7
14.1
12.7
13.7
13.7
12.1
13.1
13.7
12.1
13.1
13.0
11.4
12.5
79
UBF/UBR
FAN SHAFT DIAM. (in.)
MIN
MAX
CLASS 1
19.1
19.9
19.1
19.9
19.1
19.9
N/A
18.6
19.4
18.6
19.4
12.9
13.5
12.0
12.6
12.0
12.6
N/A
11.3
12.0
11.3
12.0
10.4
11.1
21.2
23.2
21.2
23.2
21.2
23.2
20.7
22.7
20.7
22.7
N/A
20.4
22.4
20.4
22.4
20.0
22.0
20.0
22.0
25.4
27.4
25.4
27.4
25.4
27.4
24.9
26.9
24.9
26.9
N/A
24.5
26.5
24.5
26.5
24.0
26.0
24.0
26.0
21.2
23.2
21.2
23.2
21.2
23.2
20.7
22.7
20.7
22.7
N/A
20.4
22.4
20.4
22.4
20.0
22.0
20.0
22.0
25.4
27.4
25.4
27.4
25.4
27.4
24.9
26.9
24.9
26.9
N/A
24.5
26.5
24.5
26.5
24.0
26.0
24.0
26.0
12.9
13.5
12.0
12.6
12.0
12.6
N/A
11.3
12.0
11.3
12.0
10.4
11.1
17.2
17.8
16.4
17.0
16.4
17.0
N/A
15.7
16.4
15.7
16.4
14.9
15.7
CLASS 2
1
/
3
16
1
7
/
16
/
1
7
16
1
/
11
16
1
7
/
16
1
11
/
16
1
/
7
16
1
/
11
16
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