NEMA Reference Chart
Drawings represent standard TEFC general purpose motors. Dimensions are for reference only. Contact us for specific"C" Dimensions.
| NEMA QUICK REFERENCE CHART | |||||||||
| NEMA Frame | D | E | 2F | H | N | O | P | U | V |
| 42 | 2-5/8 | 1-3/4 | 1-11/16 | 9/32 SLOT | 1-1/2 | 5 | 4-11/16 | 3/8 | 1-1/8 |
| 48 | 3 | 2-1/8 | 2-3/4 | 11/32 SLOT | 1-7/8 | 5-7/8 | 5-11/16 | 1/2 | 1-1/2 |
| 56 56H |
3-1/2 | 2-7/16 | 3 5 |
11/32 SLOT | 2-7/16 2-1/8 |
6-7/8 | 6-5/8 | 5/8 | 1-7/8 |
| 143T 145T |
3-1/2 | 2-3/4 | 4 5 |
11/32 | 2-1/2 | 6-7/8 | 6-5/8 | 7/8 | 2-1/2 |
| 182 184 182T 184T |
4-1/2 | 3-3/4 | 4-1/2 5-1/2 4-1/2 5-1/2 |
13/32 | 2-11/16 2-11/16 3-9/16 3-9/16 |
8-11/16 | 7-7/8 | 7/8 7/8 1-1/8 1-1/8 |
2-1/4 2-1/4 2-3/4 2-3/4 |
| 213 215 213T 215T |
5-1/4 | 4-1/4 | 5-1/2 7 5-1/2 7 |
13/32 | 3-1/2 3-1/2 3-7/8 3-7/8 |
10-1/4 | 9-9/16 | 1-1/8 1-1/8 1-3/8 1-3/8 |
3 3 3-3/8 3-3/8 |
| 254U 256U 254T 256T |
6-1/4 | 5 | 8-1/4 10 8-1/4 10 |
17/32 | 4-1/16 4-1/16 4-5/16 4-5/16 |
12-7/8 | 12-15/16 | 1-3/8 1-3/8 1-5/8 1-5/8 |
3-3/4 3-3/4 4 4 |
| 284U 286U 284T 286T 284TS 286TS |
7 | 5-1/2 | 9-1/2 11 9-1/2 11 9-1/2 11 |
17/32 | 5-1/8 5-1/8 4-7/8 4-7/8 3-3/8 3-3/8 |
14-5/8 | 14-5/8 | 1-5/8 1-5/8 1-7/8 1-7/8 1-5/8 1-5/8 |
4-7/8 4-7/8 4-5/8 4-5/8 3-1/4 3-1/4 |
| 324U 326U 324T 326T 324TS 326TS |
8 | 6-1/4 | 10-1/2 12 10-1/2 12 10-1/2 12 |
21/32 | 5-7/8 5-7/8 5-1/2 5-1/2 3-15/16 3-15/16 |
16-1/2 | 16-1/2 | 1-7/8 1-7/8 2-1/8 2-1/8 1-7/8 1-7/8 |
5-5/8 5-5/8 5-1/4 5-1/4 3-3/4 3-3/4 |
| 364U 365U 364T 365T 364TS 365TS |
9 | 7 | 11-1/4 12-1/4 11-1/4 12-1/4 11-1/4 12-1/4 |
21/32 | 6-3/4 6-3/4 6-1/4 6-1/4 4 4 |
18-1/2 | 18-1/4 | 2-1/8 2-1/8 2-3/8 2-3/8 2-7/8 2-7/8 |
6-3/8 6-3/8 5-7/8 5-7/8 3-3/4 3-3/4 |
| 404U 405U 404T 405T 404TS 405TS |
10 | 8 | 12-1/4 13-1/4 12-1/4 13-1/4 12-1/4 13-1/4 |
13/16 | 7-3/16 7-3/16 7-5/16 7-5/16 4-1/2 4-1/2 |
20-5/16 | 20-1/8 | 2-3/8 2-3/8 2-7/8 2-7/8 2-1/8 2-1/8 |
7-1/8 7-1/8 7-1/4 7-1/4 4-1/4 4-1/4 |
444U |
11 | 9 | 14-1/2 16-1/2 14-1/2 16-1/2 20 25 14-1/2 16-1/2 20 25 |
13/16 | 8-5/8 8-5/8 8-1/2 8-1/2 8-15/16 8-15/16 5-3/16 5-3/16 4-15/16 4-15/16 |
22-7/8 22-7/8 22-7/8 22-7/8 22-15/16 22-15/16 22-7/8 22-7/8 22-15/16 22-15/16 |
22-3/8 22-3/8 22-3/8 22-3/8 22-3/4 22-3/4 22-3/8 22-3/8 22-3/4 22-3/4 |
2-7/8 2-7/8 3-3/8 3-3/8 3-3/8 3-3/8 2-3/8 2-3/8 2-3/8 2-3/8 |
8-5/8 8-5/8 8-1/2 8-1/2 8-1/2 8-1/2 4-3/4 4-3/4 4-3/4 4-3/4 |
| NEMA QUICK REFERENCE CHART | ||||||||||
| NEMA Frame | AA | AB | AH | AJ | AK | BA | BB | BD | XO | TAP |
| 42 | 3/8 | 4-1/32 | 1-5/16 | 3-3/4 | 3 | 2-1/16 | 1/8 | 4-5/8 | 1-9/16 | 1/4-20 |
| 48 | 1/2 | 4-3/8 | 1-11/16 | 3-3/4 | 3 | 2-1/2 | 1/8 | 5-5/8 | 2-1/4 | 1/4-20 |
| 56 56H |
1/2 | 5 | 2-1/16 | 5-7/8 | 4-1/2 | 2-3/4 | 1/8 | 6-1/2 | 2-1/4 | 3/8-16 |
| 143T 145T |
3/4 | 5-1/4 | 2-1/8 | 5-7/8 | 4-1/2 | 2-1/4 | 1/8 | 6-1/2 | 2-1/4 | 3/8-16 |
| 182 184 182T 184T |
3/4 | 5-7/8 | 2-1/8 2-1/8 2-5/8 2-5/8 |
5-7/8 5-7/8 7-1/4 7-1/4 |
4-1/2 4-1/2 8-1/2 8-1/2 |
2-3/4 | 1/8 1/8 1/4 1/4 |
6-1/2 6-1/2 9 9 |
2-3/8 | 3/8-16 3/8-16 1/2-13 1/2-13 |
| 213 215 213T 215T |
3/4 | 7-3/8 | 2-3/4 2-3/4 3-1/8 3-1/8 |
7-1/4 | 8-1/2 | 3-1/2 | 1/4 | 9 | - | 1/2-13 |
| 254U 256U 254T 256T |
1 | 9-5/8 | 3-1/2 3-1/2 3-3/4 3-3/4 |
7-1/4 | 8-1/2 | 4-1/4 | 1/4 | 10 | - | 1/2-13 |
| 284U 286U 284T 286T 284TS 286TS |
1-1/2 | 13-1/8 | 4-5/8 4-5/8 4-3/8 4-3/8 3 3 |
9 | 10-1/2 | 4-3/4 | 1/4 | 11-1/4 | - | 5/8-11 |
| 324U 326U 324T 326T 324TS 326TS |
2 | 14-1/8 | 5-3/8 5-3/8 5 5 3-1/2 3-1/2 |
11 | 12-1/2 | 5-1/4 | 1/4 | 13-3/8 | - | 5/8-11 |
| 364U 365U 364T 365T 364TS 365TS |
2-1/2 | 15-1/16 | 6-1/8 6-1/8 5-5/8 5-5/8 3-1/2 3-1/2 |
11 | 12-1/2 | 5-7/8 | 1/4 | 13-3/8 | - | 5/8-11 |
| 404U 405U 404T 405T 404TS 405TS |
3 | 18 | 6-7/8 6-7/8 7 7 4 4 |
11 | 16 | 6-5/8 | 1/4 | 13-7/8 | - | 5/8-11 |
444U |
3 4NPT 4NPT |
19-9/16 19-9/16 19-9/16 19-9/16 21-11/16 21-11/16 19-9/16 19-9/16 21-11/16 21-11/16 |
8-3/8 8-3/8 8-1/4 8-1/4 8-1/4 8-1/4 4-1/2 4-1/2 4-1/2 4-1/2 |
14 | 16 | 7-1/2 | 1/4 | 16-3/4 | - | 5/8-11 |