65
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
11T
FC A12-12A
56
18.9
21.6
18.9
21.6
17.5
20.4
16.3
19.1
1
3
/
16
1
3
/
16
143T
18.9
21.6
18.9
21.6
17.5
20.4
16.3
19.1
145T
18.9
21.6
18.9
21.6
17.5
20.4
16.3
19.1
182T
18.5
21.3
18.5
21.3
17.4
20.3
16.1
19.0
184T
18.5
21.3
18.5
21.3
17.4
20.3
16.1
19.0
213T
18.3
21.0
18.3
21.0
17.4
20.3
16.0
18.9
215T
18.3
21.0
18.3
21.0
17.4
20.3
16.0
18.9
FC A15-15A
56
21.5
24.1
17.9
20.8
19.6
22.5
18.6
21.3
1
3
/
16
1
3
/
16
143T
21.5
24.1
17.9
20.8
19.6
22.5
18.6
21.3
145T
21.5
24.1
17.9
20.8
19.6
22.5
18.6
21.3
182T
21.1
23.7
17.8
20.7
19.5
22.3
18.3
21.1
184T
21.1
23.7
17.8
20.7
19.5
22.3
18.3
21.1
213T
20.8
23.5
17.8
20.7
19.4
22.2
18.1
21.0
215T
20.8
23.5
17.8
20.7
19.4
22.2
18.1
21.0
12T
FC A12-12A
56
18.9
21.6
18.9
21.6
17.5
20.4
16.3
19.1
1
3
/
16
1
3
/
16
143T
18.9
21.6
18.9
21.6
17.5
20.4
16.3
19.1
145T
18.9
21.6
18.9
21.6
17.5
20.4
16.3
19.1
182T
18.5
21.3
18.5
21.3
17.4
20.3
16.1
19.0
184T
18.5
21.3
18.5
21.3
17.4
20.3
16.1
19.0
213T
18.3
21.0
18.3
21.0
17.4
20.3
16.0
18.9
215T
18.3
21.0
18.3
21.0
17.4
20.3
16.0
18.9
FC A15-15A
56
21.5
24.1
17.9
20.8
19.6
22.5
18.6
21.3
1
3
/
16
1
3
/
16
143T
21.5
24.1
17.9
20.8
19.6
22.5
18.6
21.3
145T
21.5
24.1
17.9
20.8
19.6
22.5
18.6
21.3
182T
21.1
23.7
17.8
20.7
19.5
22.3
18.3
21.1
184T
21.1
23.7
17.8
20.7
19.5
22.3
18.3
21.1
213T
20.8
23.5
17.8
20.7
19.4
22.2
18.1
21.0
215T
20.8
23.5
17.8
20.7
19.4
22.2
18.1
21.0
12W
FC A12-11A
184T
17.4
18.9
13.8
15.5
15.1
16.8
14.6
16.2
1
7
/
16
1
7
/
16
213T
17.0
18.5
13.6
15.3
14.9
16.6
14.3
16.0
215T
17.0
18.5
13.6
15.3
14.9
16.6
14.3
16.0
254T
16.5
18.1
13.5
15.2
14.7
16.4
14.0
15.7
FC A15-15A
145T
18.3
19.5
12.9
14.5
14.9
16.4
14.5
15.9
1
3
/
16
1
3
/
16
182T
17.6
18.9
12.5
14.1
14.4
16.0
13.9
15.4
184T
17.6
18.9
12.5
14.1
14.4
16.0
13.9
15.4
213T
17.1
18.4
12.2
13.9
14.1
15.7
13.5
15.0
14W
FC A15-15A
184T
22.4
23.9
18.2
19.9
20.0
21.7
19.2
20.8
1
7
/
16
1
7
/
16
213T
22.0
23.5
18.0
19.7
19.8
21.5
18.9
20.5
215T
22.0
23.5
18.0
19.7
19.8
21.5
18.9
20.5
254T
21.5
23.1
17.8
19.5
19.5
21.2
18.5
20.2
FC A18-18A
145T
23.1
24.5
17.2
18.7
19.5
21.1
19.0
20.4
1
3
/
16
1
7
/
16
182T
22.5
23.8
16.7
18.4
19.1
20.6
18.4
19.9
184T
22.5
23.8
16.7
18.4
19.1
20.6
18.4
19.9
213T
22.0
23.4
16.5
18.1
18.7
20.4
18.0
19.5
16T
FC A15-15A
182T
22.2
24.9
19.1
21.9
20.7
23.6
19.5
22.3
1
7
/
16
1
7
/
16
184T
22.2
24.9
19.1
21.9
20.7
23.6
19.5
22.3
213T
21.9
24.6
19.0
21.9
20.6
23.5
19.4
22.2
215T
21.9
24.6
19.0
21.9
20.6
23.5
19.4
22.2
254T
21.6
24.3
19.0
21.9
20.5
23.4
19.2
22.1
256T
21.6
24.3
19.0
21.9
20.5
23.4
19.2
22.1
FC A18-18A
56
25.0
27.5
20.4
23.2
22.5
25.3
21.5
24.1
1
3
/
16
1
7
/
16
143T
25.0
27.5
20.4
23.2
22.5
25.3
21.5
24.1
145T
25.0
27.5
20.4
23.2
22.5
25.3
21.5
24.1
182T
24.5
27.0
20.2
23.1
22.3
25.1
21.1
23.8
184T
24.5
27.0
20.2
23.1
22.3
25.1
21.1
23.8
