Product Lines

Locations & Contact Info

Sales and Service

Training and Consulting

Application Engineering and Technical Support

Product Integration and Modifications

Credit and Terms

About Us

AX, Visa/MasterCard Accepted

Copyright, 2008-Clayton Engineering Company

 

 NEMA - DIMENSION CHART

FRAME NEMA
SHAFT		 KEYSEAT FRAME NEMA
SHAFT		 KEYSEAT
DIMENSIONS DIMENSIONS
  (U) (R) (S)   (U) (R) (S)
48 1/2 29/64 FLAT 284T 286T 1-7/8 1-19/32 1/2
56 5/8 33/64 3/16 324T 326T 2-1/8 1-27/32 1/2
143T 145T 7/8 49/64 3/16 364T 365T 2-3/8 2-1/64 5/8
182T 184T 1-1/8 63/64 1/4 404T 405T 2-7/8 2-29/64 3/4
213T 215T 1-3/8 1-13/64 5/16 444T 445T 3-3/8 2-7/8 7/8
254T 256T 1-5/8 1-13/32 3/8 447T 449T 3-3/8 2-7/8 7/8

NEMA
FRAME		 D E 2F H N O P U V AA AB AH AJ AK BA BB BD XO TAP
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 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		 3-1/2 2-7/16 3 11/32
SLOT		 2-7/16
2-1/18		 6-7/8 6-5/8 5/8 1-7/8 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		 3-1/2 2-3/4 4
5		 11/32 2-1/2 6-7/8 6-5/8 7/8 2-1/4 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		 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		 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		 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		 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

 2-3/4

 1/2-13

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		 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		 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		 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

 ---

 1/2-13

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		 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		 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
1-7/8
1-7/8		 6-3/8
6-3/8
5-7/8
5-7/8
3-3/4
3-3/4		 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		 10

 8

 12-1/4
13-3/4
12-1/4
13-3/4
12-1/4
13-3/4		 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		 3

 18

 6-7/8
6-7/8
7
7
4
4		 11

 12-1/2

 6-5/8

 1/4

 13-7/8

 ---

 5/8-11

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
23-3/4
23-3/4
22-3/8
22-3/8
23-3/4
23-3/4
 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



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

Dimensions are for reference only.
Drawings represent standard TEFC general purpose motors.
Contact the Motor Manufacturer for "C" dimensions.
NEMA C-FACE BA DIMENSIONS
143TC-145TC 2-3/4
182TC-184TC 3-1/2
213TC-215TC 4-1/4
254TC-256TC 4-3/4

FRAME NEMA FRAMES PRIOR TO 1953
D E F N U V BA
66 4-1/8 2-15/16 2-1/2 2-1/4 3/4 2-1/4 3-1/8
203 5 4 2-3/4 2-7/16 3/4 2 3-1/8
204 3-1/4
224 5-1/2 4-1/2 3-3/8 3-1/4 1 3 3-1/2
225 3-3/4
254 6-1/4 5 4-1/8 3-7/16 1-1/8 3-3/8 4-1/4
284 7 5-1/2 4-3/4 4-1/4 1-1/4 3-3/4 4-3/4
324 8 6-1/4 5-1/4 5-3/8 1-5/8 4-7/8 5-1/4
326 6
364 9 7 5-5/8 5-5/8 1-78/8 5-3/8 5-7/8
365 6-1/8
404 10 8 6-1/8 6-3/8 2-1/8 6-1/8 6-5/8
405 6-7/8
444 11 9 7-1/4 7-1/8 2-3/8 6-7/8 7-1/2
445 8-1/4
504 12-1/2 10 8 8-5/8 2-7/8 8-3/8 8-1/2
505 9


NEMA Three Phase Frame Sizes
TABLE 1 — OPEN DRIP-PROOF
THREE PHASE FRAME SIZES — GENERAL PURPOSE
RPM
NEMA
Program
HP

Orig.		 3600
1952
Rerate
1964
Rerate

Orig.		 1800
1952
Rerate
1964
Rerate

Orig.		 1200
1952
Rerate
1964
Rerate

Orig.		 900
1952
Rerate
1964
Rerate
1 — — — 203 182 143T 204 184 145T 225 213 182T
1.5 203 182 143T 204 184 145T 224 184 182T 254 213 184T
2 204 184 145T 224 184 145T 225 213 184T 254 215 213T
3 224 184 145T 225 213 182T 254 215 213T 284 254U 215T
5 225 213 182T 254 215 184T 284 254U 215T 324 256U 254T
7.5 254 215 184T 284 254U 213T 324 256U 254T 326 284U 256T
10 284 254U 213T 324 256U 215T 326 284U 256T 364 286U 284T
15 324 256U 215T 326 284U 254T 364 324U 284T 365 326U 286T
20 326 284U 254T 364 286U 256T 365 326U 286T 404 364U 324T
25 364S 286U 256T 364 324U 284T 404 364U 324T 405 365U 326T
30 364S 324US 284TS 365 326U 286T 405 365U 326T 444 404U 364T
40 365S 326US 286TS 404 364U 324T 444 404U 364T 445 405U 365T
50 404S 364US 324TS 405S 365US 326T 445 405U 365T 504 444U 404T
60 405S 365US 326TS 444S 404US 364T 504 444U 404T 505 445U 405T
75 444S 404US 364TS 445S 405US 365T 505 445U 405T — — 444T
100 445S 405US 365TS 504S 444US 404T — — 444T — — 445T
125 504S 444US 404TS 505S 445US 405T — — 445T — — —
150 505S 445US 405TS — — 444T — — — — — —
200 — — 444TS — — 445T — — — — — —
250 — — 445TS — — — — — — — — —

TABLE 2 — TOTALLY ENCLOSED FAN COOLED
THREE PHASE FRAME SIZES — GENERAL PURPOSE
RPM
NEMA
Program
HP

Orig.		 3600
1952
Rerate
1964
Rerate

Orig.		 1800
1952
Rerate
1964
Rerate

Orig.		 1200
1952
Rerate
1964
Rerate

Orig.		 900
1952
Rerate
1964
Rerate
1 — — — 203 182 143T 204 184 145T 225 213 182T
1.5 203 182 143T 204 184 145T 224 184 182T 254 213 184T
2 204 184 145T 224 184 145T 225 213 184T 254 215 213T
3 224 184 182T 225 213 182T 254 215 213T 284 254U 215T
5 225 213 184T 254 215 184T 284 254U 215T 324 256U 254T
7.5 254 215 213T 284 254U 213T 324 256U 254T 326 284U 256T
10 284 254U 215T 324 256U 215T 326 284U 256T 364 286U 284T
15 324 256U 254T 326 284U 254T 364 324U 284T 365 326U 286T
20 326 286U 256T 364 286U 256T 365 326U 286T 404 364U 324T
25 365S 324U 284TS 365 324U 284T 404 364U 324T 405 365U 326T
30 404S 326US 286TS 404 326U 286T 405 365U 326T 444 404U 364T
40 405S 364US 324TS 405 364U 324T 444 404U 364T 445 405U 365T
50 444S 365US 326TS 444S 365US 326T 445 405U 365T 504 444U 404T
60 445S 405US 364TS 445S 405US 364T 504 444U 404T 505 445U 405T
75 504S 444US 365TS 504S 444US 365T 505 445U 405T — — 444T
100 505S 445US 405TS 505S 445US 405T — — 444T — — 445T
125 — — 444TS — — 444T — — 445T — — —
150 — — 445TS — — 445T — — — — — —

 

 

Wheeling, WV

304-233-0960

Pittsburgh, PA

412-288-0643

Altoona, PA  

814-943-4143

 

 

 

 

High Tech Distributors of 

Automation, Power and Control Products 

Since 1947

 

 Canton, OH  

330-484-0095

Charleston, WV

304-755-7900

Pikeville, KY  

606-422-4551

Hit Counter