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Changzhou High-Efficiency Motors Co., Ltd.
Changzhou High-Efficiency Motors Co., Ltd.
NEMA stepper motors are most widely used in a lot of scenarios, from factory automation components to the control actuator in automotive and telecommunication devices, and from consumer electronics to laboratory devices. The NEMA stepper motors are usually sorted by different sizes, and these sizes are sorted conform to the European and American countries. HEMM provides different types including the classic type, IP65 type, integrated type with driver and controller, encoder type, geared type. HEMM has more than 100 types motors in stock and Ready to Ship.

NEMA Stepper Motor Standard

Name
mm
Model No.
Phase

Step

Angel

Current

(A)

Resistance

(Ω)

Holing torque

(N.m)

Holing torque

(N.m)

Length

(mm)

Shaft
NEMAmmModel No.PhaseStep AngelCurrent (A)Resistance (Ω)Holing torque (N.m)Holing torque (N.m)Length(mm)Shaft
NEMA 6 Stepper Motor14HEM-6D200121.8





HEM-6D2001-01





NEMA 8 Stepper Motor20HEM-8D200121.80.47.01.10.528mmSingle
HEM-8D2001-01Double
HEM-8D40010.4111.81.238mmSingle
HEM-8D4001-01Double
NEMA 10 Stepper Motor25HEM-10D200121.8





HEM-10D2001-01





HEM-10D4001





HEM-10D4001-01





NEMA 11 Stepper Motor28HEM-11D200121.81.02.52.56.331mmSingle
HEM-11D2001-01Double
HEM-11D40011.02.32.35.340mmSingle
HEM-11D4001-01Double
HEM-11D60011.02.52.56.351mmSingle
HEM-11D6001-01Double
NEMA 14 Stepper Motor35HEM-14D100121.81.03.23.210.230mmSingle
HEM-14D1001-01Double
HEM-14D40011.03.63.613.040mmSingle
HEM-14D4001-01Double
HEM-14D60011.03.73.713.750mmSingle
HEM-14D6001-01Double
NEMA 14 Stepper Motor36HEM-14S04A121.80.316.51.50.712.5mmSingle
HEM-14S24A10.3181.60.816.6mmSingle
HEM-14S34A10.4111.81.219.7mmSingle
NEMA 17 Stepper Motor42HEM-17D2012-0821.81.22.43.514.334mmSingle
HEM-17D2012-10Double
HEM-17D4002-181.23.04.322.440mmSingle
HEM-17D4002-20Double
HEM-17D6011-021.23.24.625.548mmSingle
HEM-17D6011-03Double
HEM-17D8402-072.51.358.4178.060mmSingle
HEM-17D8402-08Double
NEMA 23 Stepper Motor56.4HEM-23D1405-0321.83.00.65.073.542mmSingle
HEM-23D1405-05Double
HEM-23D4404-184.00.396.2155.853mmSingle
HEM-23D4404-20Double
HEM-23D6406-084.00.508.0256.077mmSingle
HEM-23D6406-10Double
HEM-23D9401-034.01.1017.61239.0112.5mmSingle
HEM-23D9401-06Double
NEMA 24 Stepper Motor60HEM-24D200121.84.00.436.9189.356mmSingle
HEM-24D2001-02Double
HEM-24D50074.00.69.6368.687mmSingle
HEM-24D5007-01Double
HEM-24D70014.01.016.01024.0117mmSingle
HEM-24D7001-01Double
NEMA 34 Stepper Motor86HEM-34D04A121.86.00.248.6447.967.5mmSingle
HEM-34D04B1Double
HEM-34D24A16.00.3311.9846.896.5mmSingle
HEM-34D24B1Double
HEM-34D44A16.00.5519.82352.2125.5mmSingle
HEM-34D44B1Double
HEM-34D64A16.00.5519.82352.2158.5mmSingle
HEM-34D64B1Double
NEMA 34 Stepper Motor36HEM-14R04A120.90.316.51.50.712.5mm单/Single
HEM-14R24A10.3181.60.816.6mm单/Single
HEM-14R34A10.4111.81.219.7mm单/Single
NEMA 17 Stepper Motor42HEM-17C200120.91.22.43.514.333.7mmSingle
HEM-17C2001-01Double
HEM-17C40011.23.04.322.439.7mmSingle
HEM-17C4001-01Double
HEM-17C60011.23.24.625.547.7mmSingle
HEM-17C6001-01Double
NEMA 23 Stepper Motor56.4HEM-23C100120.93.00.555.073.541mmSingle
HEM-23C1001-01Double
HEM-23C40014.00.396.2155.853mmSingle
HEM-23C4001-01Double
HEM-23C60014.00.58.0256.077mmSingle
HEM-23C6001-01Double
NEMA 24 Stepper Motor60HEM-24D5407HV21.81.01414.0196.085.5mmSingle
HEM-24D5407-01HVDouble
NEMA 34 Stepper Motor86HEM-34D04C121.82.02.911.6269.167.5mmSingle
HEM-34D04D1Double
HEM-34D24C12.03.815.2462.196.5mmSingle
HEM-34D24D1Double
HEM-34D44C12.05.020.0800.0125.5mmSingle
HEM-34D44D1Double
HEM-34D64C12.06.526.01352.0158.5mmSingle
HEM-34D64D1Double
NEMA 42 Stepper Motor110mmHEM-42D14A121.86.00.4415.81505.499mmSingle
HEM-42D14B1Double
HEM-42D34A16.00.6623.83387.2149mmSingle
HEM-42D34B1Double
HEM-42D54A16.00.9935.67621.3199mmSingle
HEM-42D54B1Double
NEMA 17 Stepper Motor42mmHEM-17T23A131.2



34mmSingle
HEM-17T23B1



Double
HEM-17T43A1



40mmSingle
HEM-17T43B1



Double
HEM-17T63A1



48mmSingle
HEM-17T63B1



Double
NEMA 23 Stepper Motor57mmHEM-23T63A131.25.80.5016.81640.977mmSingle
HEM-23T63B1Double
NEMA 24 Stepper Motor60mmHEM-24T13A131.25.80.3511.8804.042mmSingle
HEM-24T13B1Double
HEM-24T23A15.80.4214.11157.854mmSingle
HEM-24T23B1Double
HEM-24T43A15.80.5518.51985.577mmSingle
HEM-24T43B1Double
HEM-24T53A15.80.84

85.5mmSingle
HEM-24T53B1Double
NEMA 34 Stepper Motor86mmHEM-34T03A131.25.00.338.3340.367.5mmSingle
HEM-34T03B1Double
HEM-34T23A15.00.7518.81757.896.5mmSingle
HEM-34T23B1Double
HEM-34T43A15.01.1829.54351.3125.5mmSingle
HEM-34T43B1Double


NEMA STEPPER MOTOR SIZE CHART

Dimension in Inches (mm)NEMA Motor Mounting Dimensions
NEMA 8NEMA 11NEMA 14NEMA 17NEMA 23NEMA 34NEMA 42
Motor Size (DD)~0.8 (20.32)~1.1 (27.9)~1.4 (35.6)~1.7 (43.2)~2.3 (58.4)3.4 (86.4)~4.2 (106.7)
a: Bolt Hole Distance (square)0.630 (16)0.905 (23)1.024 (26)1.220 (31)1.854 (47.14)2.744 (69.7)3.500 (88.9)
b: Motor Shaft Diameter0.157 (4)0.197 (5)0.197 (5)0.197 (5)0.250 (6.35)0.375 (9.5)0.625 (16)
C: Motor Shaft Length (max)


0.9450.811.251.38
d: Pilot Diameter0.590 (15)0.866 (22)0.866 (22)0.866 (22)1.500 (38.1)2.875 (73)2.186
e: Pilot Depth ( max)0.059 (1.5)0.079 (2)0.079 (2)0.079 (2)0.062 (1.6)0.062 (1.6)0.062 (1.6)
f: Bolt Hole Circle Diameter0.891 (22.6)1.280 (32.5)1448 (36.8)1.7252.6253.8754. .950
g: Bolt Hole Size0.118 (3)0.157 (4)0.157 (4)4-40 UNC0.195 (5)0.218 (5.5)0.281


Nema Stepper Motor Working

Nema Stepper Motor Working
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