NEMA Motor Dimensions - Reference Chart

   
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Frame D E 2F H N* O* P* U V AA AB* AH AJ AK BA BB BD* TAP
42
48
56
56H
143T
145T
182
184
182T
184T
213
215
213T
215T
254U
256U
254T
256T
284U
286U
284T
286T
284TS
286TS
324U
326U
324T
326T
324TS
326TS
364U
365U
364T
365T
364TS
365TS
404U
405U
404T
405T
404TS
405TS
444U
445U
444T
445T
447T
449T
444TS
445TS
447TS
449TS
2-5/8
3
3-1/2
-
3-1/2
-
-
4-1/2
-
-
-
5-1/4
-
-
-
6-1/4
-
-
-
-
7
-
-
-
-
-
8
-
-
-
-
-
9
-
-
-
-
-
10
-
-
-
-
-
-
11
-
-
-
-
-
-
1-3/4
2-1/8
2-7/16
-
2-3/4
-
-
3-3/4
-
-
-
4-1/4
-
-
-
5
-
-
-
-
5-1/2
-
-
-
-
-
6-1/4
-
-
-
-
-
7
-
-
-
-
-
8
-
-
-
-
-
-
9
-
-
-
-
-
-
1-11/16
2-3/4
3
5
4
5
4-1/2
5-1/2
4-1/2
5-1/2
5-1/2
7
5-1/2
7
8-1/4
10
8-1/4
10
9-1/2
11
9-1/2
11
9-1/2
11
10-1/2
12
10-1/2
12
10-1/2
12
11-1/4
12-1/4
11-1/4
12-1/4
11-1/4
12-1/4
12-1/4
13-3/4
12-1/4
13-3/4
12-1/4
13-3/4
14-1/2
16-1/2
14-1/2
16-1/2
20
25
14-1/2
16-1/2
20
25
9/32_slot
11/32_slot
11/32_slot
-
11/32
-
-
13/32
-
-
-
13/32
-
-
-
17/32
-
-
-
-
17/32
-
-
-
-
-
21/32
-
-
-
-
-
21/32
-
-
-
-
-
13/16
-
-
-
-
-
-
13/16
-
-
-
-
-
-
1-1/2
1-7/8
2-7/16
2-1/8
2-1/2
-
2-11/16
2-11/16
3-9/16
3-9/16
3-1/2
3-1/2
3-7/8
3-7/8
4-1/16
4-1/16
4-5/16
4-5/16
5-1/8
5-1/8
4-7/8
4-7/8
3-3/8
3-3/8
5-7/8
5-7/8
5-1/2
5-1/2
3-15/16
3-15/16
6-3/4
6-3/4
6-1/4
6-1/4
4
4
7-3/16
7-3/16
7-5/16
7-5/16
4-1/2
4-1/2
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
5
5-7/8
6-7/8
-
6-7/8

-
8-11/16
-
-
-
10-1/4
-
-
-
12-7/8
-
-
-
-
14-5/8
-
-
-
-
-
-
16-1/2
-
-
-
-
18-1/2
-
-
-
-
-
20-5/16
-
-
-
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
4-11/16
5-11/16
6-5/8
-
6-5/8
-
-
7-7/8
-
-
-
9-9/16
-
-
-
12-15/16
-
-
-
-
14-5/8
-
-
-
-
-
-
16-1/2
-
-
-
-
18-1/4

--
-
-
-
20-1/8
-
-
-
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
3/8
1/2
5/8
-
7/8

7/8
7/8
1-1/8
1-1/8
1-1/8
1-1/8
1-3/8
1-3/8
1-3/8
1-3/8
1-5/8
1-5/8
1-5/8
1-5/8
1-7/8
1-7/8
1-5/8
1-5/8
1-7/8
1-7/8
2-1/8
2-1/8
1-7/8
1-7/8
2-1/8
2-1/8
2-3/8
2-3/8
1-7/8
1-7/8
2-3/8
2-3/8
2-7/8
2-7/8
2-1/8
2-1/8
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
1-1/8
1-1/2
1-7/8
-
2-1/4
-
2-1/4
2-1/4
2-3/4
2-3/4
3
3
3-3/8
3-3/8
3-3/4
3-3/4
4
4
4-7/8
4-7/8
4-5/8
4-5/8
3-1/4
3-1/4
5-5/8
5-5/8
5-1/4
5-1/4
3-3/4
3-3/4
6-3/8
6-3/8
5-7/8
5-7/8
3-3/4
3-3/4
7-1/8
7-1/8
7-1/4
7-1/4
4-1/4
4-1/4
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
3/8
1/2
1/2
-
3/4
-
-
3/4
-
-
-
-3/4
-
-
-
1
-
-
-
-
1-1/2
-
-
-
-
-
2
-
-
-
-
-
2-1/2
-
-
-
-
-
3
-
-
-
-
-
-

3
-
-
-
4NPT
4NPT
4-1/32
4-3/8
5
-
5-1/4
-
-
5-7/8
-
-
-
7-3/8
-
-
-
9-5/8
-
-
-
-
13-1/8
-
-
-
-
-
14-1/8
-
-
-
-
-
15-1/16
-
-
-
-
-
18
-
-
-
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
1-5/16
1-11/16
2-1/16
-
2-1/8

2-1/8
2-1/8
2-5/8
2-5/8
2-3/4
2-3/4
3-1/8
3-1/8
3-1/2
3-1/2
3-3/4
3-3/4
4-5/8
4-5/8
4-3/8
4-3/8
3
3
5-3/8
5-3/8
5
5
3-1/2
3-1/2
6-1/8
6-1/8
5-5/8
5-5/8
3-1/2
3-1/2
6-7/8
6-7/8
7
7
4
4
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
3-3/4
3-3/4
5-7/8
-
5-7/8
-
5-7/8
5-7/8
7-1/4
7-1/4
-
7-1/4
-
-
-
7-1/4
-
-
-
-
9
-
-
-
-
-
11
-
-
-
-
-
11
-
-
-
-
-
11
-
-
-
-
-
-
-
14
-
-
-
-
-
3
3
4-1/2
-
4-1/2
-
4-1/2
4-1/2
8-1/2
8-1/2
-
8-1/2
-
-
-
8-1/2
-
-
-
-
10-1/2
-
-
-
-
-
12-1/2
-
-
-
-
-
12-1/2
-
-
-
-
-
12-1/2
-
-
-
-
-
-
-
16
-
-
-
-
-
2-1/16
2-1/2
2-3/4
-
2-1/4
-
-
2-3/4
-
-
-
3-1/2
-
-
-
4-1/4
-
-
-
-
4-3/4
-
-
-
-
-
5-1/4
-
-
-
-
-
5-7/8
-
-
-
-
-
6-5/8
-
-
-
-
-
-
-
7-1/2
-
-
-
-
1/8
1/8
1/8
-
1/8
-
1/8
1/8
1/4
1/4
-
1/4
-
-
-
1/4
-
-
-
-
1/4
-
-
-
-
-
1/4
-
-
-
-
-
1/4
-
-
-
-
-
1/4
-
-
-
-
-
-
-
1/4
-
-
-
-
-
4-5/8
5-5/8
6-1/2
-
6-1/2
-
6-1/2
6-1/2
9
9
-
9
-
-
-
10
-
-
-
-
11-1/4
-
-
-
-
-
13-3/8
-
-
-
-
-
13-3/8
-
-
-
-
-
13-7/8
-
-
-
-
-
-
-
16-3/4
-
-
-
-
-
1/4-20
1/4-20
3/8-16
-
3/8-16
-
3/8-16
3/8-16
1/2-13
1/2-13
-
1/2-13
-
-
-
1/2-13
-
-
-
-
1/2-13
-
-
-
-
-
5/8-11
-
-
-
-
-
5/8-11
-
-
-
-

5/8-11
-
-
-
-
-
-
-
5/8-11
-
-
-
-
-
Electrical and mechanical maintenance and design reference chart.


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