Nema Reference Chart

NEMA Reference Chart



Drawings represent standard TEFC general purpose motors. Dimensions are for reference only. Contact your local Baldor office for “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
445U
444T
445T
447T
449T
444TS
445TS
447TS
449TS

 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
445U
444T
445T
447T
449T
444TS
445TS
447TS
449TS

 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