NEMA QUICK REFERENCE CHART
NEMA
FRAME DE2F H NOPUVAA AB AH AJ AK BA BB BD XO TAP
42 2-5/8 1-3/4 1-11/16 9/32 1-1/2 54-11/163/8 1-1/8 3/84-1/32 1-5/16 3-3/4 3 2-1/16 1/84-5/8 1-9/16 1/4-20
SLOT
48 3 2-1/8 2-3/4 11/32 1-7/8 5-7/8 5-11/161/2 1-1/2 1/2 4-3/8 1-11/16 3-3/4 32-1/2 1/85-5/8 2-1/4 1/4-20
SLOT
56 3-1/2 2-7/16 3 11/32 2-7/16 6-7/8 6-5/8 5/8 1-7/8 1/252-1/16 5-7/8 4-1/2 2-3/4 1/86-1/2 2-1/4 3/8-16
56H 5 SLOT 2-1/8
143T 3-1/2 2-3/4 4 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 1/86-1/2 2-1/4 3/8-16
145T 5
182 4-1/2 2-11/167/8 2-1/4 2-1/8 5-7/8 4- 1/2 1/86-1/2 3/8-16
184 4-1/2 3-3/4 5-1/2 13/32 2-11/16 8-11/16 7-7/8 7/8 2-1/4 3/4 5-7/8 2-1/8 5-7/8 4-1/2 2-3/4 1/86-1/2 2-3/8 3/8-16
182T 4-1/2 3-9/16 1-1/8 2-3/4 2-5/8 7-1/4 8-1/2 1/49 1/2-13
184T 5-1/2 3-9/16 1-1/8 2-3/4 2-5/8 7-1/4 8-1/2 1/49 1/2-13
213 5-1/2 3-1/2 1-1/8 32-3/4
215 5-1/4 4-1/4 713/32 3-1/2 10-1/4 9-9/16 1-1/8 3 3/4 7-3/8 2-3/4 7-1/4 8-1/2 3-1/2 1/492-3/4 1/2-13
213T 5-1/2 3-7/8 1-3/8 3-3/8 3-1/8
215T 7 3-7/8 1-3/8 3-3/8 3-1/8
254U 8-1/4 4-1/16 1-3/8 3-3/4 3-1/2
256U 6-1/4 5 10 17/32 4-1/16 12-7/8 12-15/16 1-3/8 3-3/4 1 9-5/8 3-1/2 7-1/4 8-1/2 4-1/4 1/410—1/2-13
254T 8-1/4 4-5/16 1-5/8 43-3/4
256T 10 4-5/16 1-5/8 43-3/4
284U 9-1/2 5-1/8 1-5/8 4-7/8 4-5/8
286U 11 5-1/8 1-5/8 4-7/8 4-5/8
284T 7 5-1/2 9-1/2 17/32 4-7/8 14-5/8 14-5/8 1-7/8 4-5/8 1-1/2 13-1/8 4-3/8 910-1/24-3/4 1/411-1/4—1/2-13
286T 11 4-7/8 1-7/8 4-5/8 4-3/8
284TS 9-1/2 3-3/8 1-5/8 3-1/4 3
286TS 11 3-3/8 1-5/8 3-1/4 3
324U 10-1/2 5-7/8 1-7/8 5-5/8 5-3/8
326U 12 5-7/8 1-7/8 5-5/8 5-3/8
324T 8 6-1/4 10-1/2 21/32 5-1/2 16-1/2 16-1/2 2-1/8 5-1/4 214-1/8 51112-1/25-1/4 1/413-3/8—5/8-11
326T 12 5-1/2 2-1/8 5-1/4 5
324TS 10-1/2 3-15/16 1-7/8 3-3/4 3-1/2
326TS 12 3-15/16 1-7/8 3-3/4 3-1/2
364U 11-1/4 6-3/4 2-1/8 6-3/8 6-1/8
365U 12-1/4 6-3/4 2-1/8 6-3/8 6-1/8
364T 9711-1/4 21/32 6-1/4 18-1/2 18-1/4 2-3/8 5-7/8 2-1/2 15-1/16 5-5/8 11 12-1/2 5-7/8 1/413-3/8—5/8-11
365T 12-1/4 6-1/4 2-3/8 5-7/8 5-5/8
364TS 11-1/4 4 1-7/8 3-3/4 3-1/2
365TS 12-1/4 4 1-7/8 3-3/4 3-1/2
404U 12-1/4 7-3/16 2-3/8 7-1/8 6-7/8
405U 13-3/4 7-3/16 2-3/8 7-1/8 6-7/8
404T 10 812-1/4 13/16 7-5/16 20-5/16 20-1/8 2-7/8 7-1/4 318711 12-1/2 6-5/8 1/413-7/8—5/8-11
405T 13-3/4 7-5/16 2-7/8 7-1/4 7
404TS 12-1/4 4-1/2 2-1/8 4-1/4 4
405TS 13-3/4 4-1/2 2-1/8 4-1/4 4
444U 14-1/2 8-5/8 22-7/8 22-3/8 2-7/8 8-5/8 19-9/16 8-3/8
445U 16-1/2 8-5/8 22-7/8 22-3/8 2-7/8 8-5/8 19-9/16 8-3/8
444T 14-1/2 8-1/2 22-7/8 22-3/8 3-3/8 8-1/2 19-9/16 8-1/4
445T 16-1/2 8-1/2 22-7/8 22-3/8 3-3/8 8-1/2 19-9/16 8-1/4
447T 11 920 13/16 8-15/16 22-15/16 23-3/4 3-3/8 8-1/2 3 21-11/16 8-1/4 14 16 7-1/2 1/416-3/4—5/8-11
449T 25 8-15/16 22-15/16 23-3/4 3-3/8 8-1/2 21-11/16 8-1/4
444TS 14-1/2 5-3/16 22-7/8 22-3/8 2-3/8 4-3/4 19-9/16 4-1/2
445TS 16-1/2 5-3/16 22-7/8 22-3/8 2-3/8 4-3/4 19-9/16 4-1/2
447TS 20 4-15/16 22-15/16 23-3/4 2-3/8 4-3/4 4NPT 21-11/16 4-1/2
449TS 25 4-15/16 22-15/16 23-3/4 2-3/8 4-3/4 4NPT 21-11/16 4-1/2
V
C*
AH (56-184)
AH (213-449)
AK BD
U
2F BA
H = Hole
NAMEPLATE
O
D
P
AB
45˚ 45˚
XO
TAP
4 HOLES
THERMAL
(WHEN REQ'D)
AA = CONDUIT SIZE EE
SINGLE PHASE
ONLY
REMOVABLE
DRIP COVER
(OPTIONAL)
BB
AJ
C* N
V
U
2F BA
H = Hole
P
AB
O
AA EE
D
Drawings represent standard TEFC general purpose motors
Refer Data Section 502 for various models, OPEN or TEFC
*Dimensions are for reference only.
Leader in Energy Efficient
Industrial Electric Motors and Drives
Leader in Energy Efficient
Industrial Electric Motors and Drives
NEMAKeyseat NEMAKeyseat
Shaft DimensionsShaft Dimensions
(U)(R) (S)(U) (R)(S)
3/8 21/64 FLAT 1-7/8 1-19/32 1/2
1/2 29/64 FLAT 2-1/8 1-27/32 1/2
5/8 33/64 3/16 2-3/8 2-1/64 5/8
7/8 49/64 3/16 2-1/2 2-3/16 5/8
1-1/8 63/64 1/4 2-7/8 2-29/64 3/4
1-3/8 1-13/64 5/16 3-3/8 2-7/8 7/8
1-5/8 1-13/32 3/8 3-7/8 3-5/16 1
*Contact your local Baldor office for “C” Dimensions. Dimensions - N, O, P, AB and XO are specific to Baldor.
BALDOR ELECTRIC COMPANY
P.O. BOX 2400
FORT SMITH, ARKANSAS
72902-2400 U.S.A.
NEMA C-Face BA Dimensions
143-5TC 2-3/4
182-4TC 3-1/2
213-5TC 4-1/4
254-6TC 4-3/4
5000
FRAMED E2FH OPUVAA AB BA
5007S 12-1/2 10 22 15/16 26-27/32 30 2-1/2 6-1/2 4-NPT 26-7/8 8-1/2
5007L 12-1/2 10 22 15/16 26-27/32 30 3-7/8 11-1/8 4-NPT 26-7/8 8-1/2
5009S 12-1/2 10 28 15/16 26-27/32 30 2-1/2 6-1/2 4-NPT 26-7/8 8-1/2
5009L 12-1/2 10 28 15/16 26-27/32 30 3-7/8 11-1/8 4-NPT 26-7/8 8-1/2
5011S 12-1/2 10 36 15/16 26-27/32 30 2-1/2 6-1/2 4-NPT 26-7/8 8-1/2
5011L 12-1/2 10 36 15/16 26-27/32 30 3-7/8 11-1/8 4-NPT 26-7/8 8-1/2
NEMA FRAMES PRIOR TO 1953
FrameD EFNUVBA
66 4-1/8 2-15/16 2-1/2 2-1/4 3/42-1/4 3-1/8
203 542-3/4 2-7/16 3/423-1/8
204 3-1/4
224 5-1/2 4-1/2 3-3/8 3-1/4 133-1/2
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
364 975-5/8 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
