|

|
 |
NEMA FRAME DIMENSIONS
A.C. Motors


Dimensions in Inches
| Frame |
D |
E |
2F |
H |
U |
BA |
N-W |
V min. |
R |
ES min. |
S |
| 48 |
3 |
2.12 |
2.75 |
.34 |
.5 |
2.5 |
1.5 |
- |
.453 |
- |
Flat |
| 56 |
3.5 |
2.44 |
3 |
.34 |
.625 |
2.75 |
1.88 |
- |
.517 |
1.41 |
.188 |
| 143 |
3.5 |
2.75 |
4 |
.34 |
.75 |
2.25 |
2 |
1.75 |
.643 |
1.41 |
.188 |
| 143T |
3.5 |
2.75 |
4 |
.34 |
.875 |
2.25 |
2.25 |
2 |
.771 |
1.41 |
.188 |
| 145 |
3.5 |
2.75 |
5 |
.34 |
.75 |
2.25 |
2 |
1.75 |
.643 |
1.41 |
.188 |
| 145T |
3.5 |
2.75 |
5 |
.34 |
.875 |
2.25 |
2.25 |
2 |
.771 |
1.41 |
.188 |
| 182 |
4.5 |
3.75 |
4.5 |
.41 |
.875 |
2.75 |
2.25 |
2 |
.771 |
1.41 |
.188 |
| 182T |
4.5 |
3.75 |
4.5 |
.41 |
1.125 |
2.75 |
2.75 |
2.5 |
.986 |
1.78 |
.25 |
| 184 |
4.5 |
3.75 |
5.5 |
.41 |
.875 |
2.75 |
2.25 |
2 |
.771 |
1.41 |
.188 |
| 184T |
4.5 |
3.75 |
5.5 |
.41 |
1.125 |
2.75 |
2.75 |
2.5 |
.986 |
1.78 |
.25 |
| 203 |
5 |
4 |
5.5 |
.41 |
.75 |
3.12 |
2.25 |
2 |
.643 |
1.53 |
.188 |
| 204 |
5 |
4 |
6.5 |
.41 |
.75 |
3.12 |
2.25 |
2 |
.643 |
1.53 |
.188 |
| 213 |
5.25 |
4.25 |
5.5 |
.41 |
1.125 |
3.5 |
3 |
2.75 |
.986 |
2.03 |
.25 |
| 213T |
5.25 |
4.25 |
5.5 |
.41 |
1.375 |
3.5 |
3.38 |
3.12 |
1.201 |
2.41 |
.312 |
| 215 |
5.25 |
4.25 |
7 |
.41 |
1.125 |
3.5 |
3 |
2.75 |
.986 |
2.03 |
.25 |
| 215T |
5.25 |
4.25 |
7 |
.41 |
1.375 |
3.5 |
3.38 |
3.12 |
1.201 |
2.41 |
.312 |
| 224 |
5.5 |
4.5 |
6.75 |
.41 |
1 |
3.5 |
3 |
2.75 |
.857 |
2.03 |
.25 |
| 225 |
5.5 |
4.5 |
7.5 |
.41 |
1 |
3.5 |
3 |
2.75 |
.857 |
2.03 |
.25 |
| 254 |
6.25 |
5 |
8.25 |
.53 |
1.125 |
4.25 |
3.37 |
3.12 |
.986 |
2.03 |
.25 |
| 254U |
6.25 |
5 |
8.25 |
.53 |
1.375 |
4.25 |
3.75 |
3.5 |
1.201 |
2.78 |
.312 |
| 254T |
6.25 |
5 |
8.25 |
.53 |
1.625 |
4.25 |
4 |
3.75 |
1.416 |
2.91 |
.375 |
| 256U |
6.25 |
5 |
10 |
.53 |
1.375 |
4.25 |
3.75 |
3.5 |
1.201 |
2.78 |
.312 |
| 256T |
6.25 |
5 |
10 |
.53 |
1.625 |
4.25 |
4 |
3.75 |
1.416 |
2.91 |
.375 |
| 284 |
7 |
5.5 |
9.5 |
.53 |
1.25 |
4.75 |
3.75 |
3.5 |
.986 |
2.03 |
.25 |
| 284U |
7 |
5.5 |
9.5 |
.53 |
1.625 |
4.75 |
4.88 |
4.62 |
1.416 |
3.78 |
.375 |
| 284T |
7 |
5.5 |
9.5 |
.53 |
1.875 |
4.75 |
4.62 |
4.38 |
1.591 |
3.28 |
.5 |
| 284TS |
7 |
5.5 |
9.5 |
.53 |
1.625 |
4.75 |
3.25 |
3 |
1.416 |
1.91 |
.375 |
| 286U |
7 |
5.5 |
11 |
.53 |
1.625 |
4.75 |
4.88 |
4.62 |
1.416 |
3.78 |
.375 |
| 286T |
7 |
5.5 |
11 |
.53 |
1.875 |
4.75 |
4.62 |
4.38 |
1.591 |
3.28 |
.5 |
| 286TS |
7 |
5.5 |
11 |
.53 |
1.625 |
4.75 |
3.25 |
3 |
1.416 |
1.91 |
3.75 |
| 324 |
8 |
6.25 |
10.5 |
.66 |
1.625 |
5.25 |
4.87 |
4.62 |
1.416 |
3.78 |
.375 |
| 324U |
8 |
6.25 |
10.5 |
.66 |
1.875 |
5.25 |
5.62 |
5.38 |
1.591 |
4.28 |
.5 |
| 324S |
8 |
6.25 |
10.5 |
.66 |
1.625 |
5.25 |
3.25 |
3 |
1.416 |
1.91 |
.375 |
| 324T |
8 |
6.25 |
10.5 |
.66 |
2.125 |
5.25 |
5.25 |
5 |
1.845 |
3.91 |
.5 |
| 324TS |
8 |
6.25 |
10.5 |
.66 |
1.875 |
5.25 |
3.75 |
3.5 |
1.591 |
2.03 |
.5 |
| 326 |
8 |
6.25 |
12 |
.66 |
1.625 |
5.25 |
4.87 |
4.62 |
1.416 |
3.78 |
.375 |
| 326U |
8 |
6.25 |
12 |
.66 |
1.875 |
5.25 |
5.62 |
5.38 |
1.591 |
4.28 |
.5 |
| 326S |
8 |
6.25 |
12 |
.66 |
1.625 |
5.25 |
3.25 |
3 |
1.416 |
1.91 |
.375 |
| 326T |
8 |
6.25 |
12 |
.66 |
2.125 |
5.25 |
5.25 |
5 |
1.845 |
3.91 |
.5 |
| 326TS |
8 |
6.25 |
12 |
.66 |
1.875 |
5.25 |
3.75 |
3.5 |
1.591 |
2.03 |
.5 |
| 364 |
9 |
7 |
11.25 |
.66 |
1.875 |
5.88 |
5.62 |
5.38 |
1.591 |
4.28 |
.5 |
| 364S |
9 |
7 |
11.25 |
.66 |
1.625 |
5.88 |
3.25 |
3 |
1.416 |
1.91 |
.375 |
| 364U |
9 |
7 |
11.25 |
.66 |
2.125 |
5.88 |
6.37 |
6.12 |
1.845 |
5.03 |
.5 |
| 364US |
9 |
7 |
11.25 |
.66 |
1.875 |
5.88 |
3.75 |
3.5 |
1.591 |
2.03 |
.5 |
| 364T |
9 |
7 |
11.25 |
.66 |
2.375 |
5.88 |
5.88 |
5.62 |
2.01 |
4.28 |
.625 |
| 364TS |
9 |
7 |
11.25 |
.66 |
1.875 |
5.88 |
3.75 |
3.5 |
1.591 |
2.03 |
.5 |
| 365 |
9 |
7 |
12.25 |
.66 |
1.875 |
5.88 |
5.62 |
5.38 |
1.591 |
4.28 |
.5 |
| 365S |
9 |
7 |
12.25 |
.66 |
1.625 |
5.88 |
3.25 |
3 |
1.416 |
1.91 |
.375 |
| 365U |
9 |
7 |
12.25 |
.66 |
2.125 |
5.88 |
6.37 |
6.12 |
1.845 |
5.03 |
.5 |
| 365US |
9 |
7 |
12.25 |
.66 |
1.875 |
5.88 |
3.75 |
3.5 |
1.591 |
2.03 |
.5 |
| 365T |
9 |
7 |
12.25 |
.66 |
2.375 |
5.88 |
5.88 |
5.62 |
2.021 |
4.28 |
.625 |
| 365TS |
9 |
7 |
12.25 |
.66 |
1.875 |
5.88 |
3.75 |
3.5 |
1.591 |
2.03 |
.5 |
| 404 |
10 |
8 |
12.25 |
.81 |
2.125 |
6.62 |
6.37 |
6.12 |
1.845 |
5.03 |
.5 |
| 404S |
10 |
8 |
12.25 |
.81 |
1.875 |
6.62 |
3.75 |
3.5 |
1.591 |
2.03 |
.5 |
| 404U |
10 |
8 |
12.25 |
.81 |
2.375 |
6.62 |
7.12 |
6.88 |
2.021 |
5.53 |
.625 |
| 404US |
10 |
8 |
12.25 |
.81 |
2.125 |
6.62 |
4.25 |
4 |
1.845 |
2.78 |
.5 |
| 404T |
10 |
8 |
12.25 |
.81 |
2.875 |
6.62 |
7.25 |
7 |
2.45 |
5.65 |
.75 |
| 404TS |
10 |
8 |
12.25 |
.81 |
2.125 |
6.62 |
4.25 |
4 |
1.845 |
2.78 |
.5 |
| 405 |
10 |
8 |
13.75 |
.81 |
2.125 |
6.62 |
6.37 |
6.12 |
1.845 |
5.03 |
.5 |
| 405S |
10 |
8 |
13.75 |
.81 |
1.875 |
6.62 |
3.75 |
3.5 |
1.591 |
2.03 |
.5 |
| 405U |
10 |
8 |
13.75 |
.81 |
2.375 |
6.62 |
7.12 |
6.88 |
2.021 |
5.53 |
.625 |
| 405US |
10 |
8 |
13.75 |
.81 |
2.125 |
6.62 |
4.25 |
4 |
1.845 |
2.78 |
.5 |
| 405T |
10 |
8 |
13.75 |
.81 |
2.875 |
6.62 |
7.25 |
7 |
2.45 |
5.65 |
.75 |
| 405TS |
10 |
8 |
13.75 |
.81 |
2.125 |
6.62 |
4.25 |
4 |
1.845 |
2.78 |
.5 |
| 444 |
11 |
9 |
14.5 |
.81 |
2.375 |
7.5 |
7.12 |
6.88 |
2.021 |
5.53 |
.625 |
| 444S |
11 |
9 |
14.5 |
.81 |
2.125 |
7.5 |
4.25 |
4 |
1.845 |
2.78 |
.5 |
| 444U |
11 |
9 |
14.5 |
.81 |
2.875 |
7.5 |
8.62 |
8.38 |
2.45 |
7.03 |
.75 |
| 444US |
11 |
9 |
14.5 |
.81 |
2.125 |
7.5 |
4.25 |
4 |
1.845 |
2.78 |
.5 |
| 444T |
11 |
9 |
14.5 |
.81 |
3.375 |
7.5 |
8.5 |
8.25 |
2.88 |
6.91 |
.875 |
| 444TS |
11 |
9 |
14.5 |
.81 |
2.375 |
7.5 |
4.75 |
4.5 |
2.021 |
3.03 |
.625 |
| 445 |
11 |
9 |
16.5 |
.81 |
2.375 |
7.5 |
7.12 |
6.88 |
2.021 |
5.53 |
.625 |
| 445S |
11 |
9 |
16.5 |
.81 |
2.125 |
7.5 |
4.25 |
4 |
1.845 |
2.78 |
.5 |
| 445U |
11 |
9 |
16.5 |
.81 |
2.875 |
7.5 |
8.62 |
8.38 |
2.45 |
7.03 |
.75 |
| 445US |
11 |
9 |
16.5 |
.81 |
2.125 |
7.5 |
4.25 |
4 |
1.845 |
2.78 |
.5 |
| 445T |
11 |
9 |
16.5 |
.81 |
3.375 |
7.5 |
8.5 |
8.25 |
2.88 |
6.91 |
.875 |
| 445TS |
11 |
9 |
16.5 |
.81 |
2.375 |
7.5 |
4.75 |
4.5 |
2.021 |
3.03 |
.625 |
| 447TS |
11 |
9 |
20 |
| |