Burden Sales Surplus Motor Frame Dimensions Chart Page 2
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1
2BURDEN SALES SURPLUS CENTER
MOTOR FRAME DIMENSIONS (inches)
shaded area denotes dimensions established by NEMA standard MG-1. Other dimensions will vary among manufacturers
TAP
NEMA
D
E
F
H
N
O
P
U
N-W
AA
AB
AH
AJ
AK
BA
BB
BD
XO
XP
***
KEY
Frame Sizes
42
2 5/8
1 3/4
27/32
9/32 Slot
1 1/4
5 1/16
4 7/8
3/8
1 1/8
3/8
4 1/2
1 5/16 3 3/4
3
2 1/16 1/8 4 7/8 1 5/8
5 1/8
7309
3/64 Flat
11/32
48
3
2 1/8
1 3/8
1 9/16
5 13/16
5 19/32
1/2
1 1/2
1/2
4 7/8
1 11/16 3 3/4
3
2 1/2 1/8
5
2 1/4
5 7/8
7309
3/64 Flat
Slot
S56
11/32
6 5/16
5 19/32
4 7/8
5 7/8
3/16
3 1/2
2 7/16
1 1/2
1 15/16
5/8
1 7/8
1/2
2 1/16 5 7/8 4 1/2
2 3/4 1/8 6 1/2 2 1/4
5912
Slot
56
6 13/16
6 19/32
5 5/16
7 5/32
143T
2
3/16
3 1/2
2 3/4
11/32
2 3/8
6 13/16
6 19/32
7/8
2 1/4
3/4
5 5/16
2 1/8
5 7/8 4 1/2 *2 1/4 1/8 6 1/2 2 1/4 7 5/32
5912
145T
2 1/2
182T
2 1/4
5/16
4 1/2
3 3/4
13/32
2 7/8
8 3/4
8 15/32
1 1/8
2 3/4
3/4
6 3/8
2 5/8
7 1/4 8 1/2 *2 3/4 1/4 8 7/8 2 1/4 9 3/32
4751
184T
2 3/4
S213T
2 3/4
3 1/2
9 15/16
8 15/32
3/4
6 3/8
8 7/8
9 3/32
213T
5 1/4
4 1/4
2 3/4
13/32
1 3/8
3 3/8
3 1/8
7 1/4 8 1/2 *3 1/2 1/4
2 1/4
4751
5/16
—
10 11/16
10 13/16
1
8 5/16
9
11 3/32
215T
3 1/2
254T
4 1/8
3/8
6 1/4
5
17/32
—
12 15/16
13 1/4
1 5/8
4
1 1/4 11 5/8
3 3/4
7 1/4 8 1/2 *4 1/4 1/4 9 5/8
—
12 7/8
4751
256T
5
284TS
1 5/8
3 1/4
3
3/8
4 3/4
284T
1 7/8
4 5/8
4 3/8
1/2
7
5 1/2
17/32
—
14 1/2
14 3/4
1 1/2 11 3/4
9
10 1/2 4 3/4 1/4
11
—
14 1/2 1/2 13
286TS
1 5/8
3 1/4
3
3/8
5 1/2
286T
1 7/8
4 5/8
4 3/8
1/2
324TS
1 7/8
3 3/4
3 1/2
5 1/4
324T
2 1/8
5 1/4
5
8
6 1/4
21/32
—
15 3/4
15 3/4
2
13 1/2
11
12 1/2 5 1/4 1/4 13 3/8
—
15 3/4 5/8 11
1/2
326TS
1 7/8
3 3/4
3 1/2
6
326T
2 1/8
5 1/4
5
364TS
1 7/8
3 3/4
3 1/2
1/2
5 5/8
364T
2 3/8
5 7/8
5 5/8
5/8
9
7
21/32
—
17 13/16
17 3/8
3
15 7/16
11
12 1/2 5 7/8 1/4
14
—
17/3/4 5/8 11
365TS
1 7/8
3 3/4
3 1/2
1/2
6 1/8
365T
2 3/8
5 7/8
5 5/8
5/8
404TS
2 1/8
4 1/4
4
1/2
6 1/8
404T
2 7/8
7 1/4
7
3/4
10
8
13/16
—
19 5/16
19 1/8
3
16 5/16
11
12 1/2 6 5/8 1/4 15 1/2
—
19 3/8 5/8 11
405TS
2 1/8
4 1/4
4
1/2
6 7/8
405T
2 7/8
7 1/4
7
3/4
444TS
7 1/4
4 3/4
5/8
2 3/8
21
444T
7 1/4
8 1/2
7/8
11
9
13/16
—
22 1/4
22
3
8 1/4
14
16
7 1/2 1/4
18
—
19 3/8 5/8 11
445T
8 1/4
8 1/2
11/16
7/8
3 3/8
447TZ
10
10 1/8
7/8
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