GEARED STEPPER MOTOR

PLANETARY AND SPUR GEARBOX

 

Geared stepper motors are perfect solutions for low speed and high torque positioning applications. GEMS provide NEMA size stepper motors that are paired with planetary gearbox and spur gearbox. Our design incorporates a square bodied motor and an round shape planetary stepper motor gearbox into a compact and cost-effective package. Our geared stepper motors are offered in six NEMA frame sizes (from NEMA 8 to NEMA 42) and each NEMA size motor has an integrated stepper motor gearbox with a wide range of gear ratios (from 1:3.7 to 1:369) so as to deliver any desired torque and speed combinations for your applications. The dual shaft version is available for you to install the brake, shaft coupler or an encoder where you need to keep track of the shaft position. 8-lead motor is aslo available upon request for all possible wiring configurations: bipolar, unipolar, series, or parallel. For higher speed and better speed control capability, please check out our brushless gear motors.

1.8° NEMA 8 Geared Stepper Motor with Planetary Gearbox

NEMA8 is our smallest size of geared stepper motor. The 22mm diameter planetary stepper motor gearbox has gear ratio from 1:3.7 to 1:369. The gearbox output torque is up to 143 oz-in (1 Nm)

NEMA 8 geared stepper motor drawingNEMA8 stepper gearmotor

Table 1. Motor Specifications         
ModelLength LRated CurrentResistanceInductanceHolding TorqueHolding TorqueRotor InteriaLead wiresWeight
mmAΩ/PhasemH/PhaseOz.inN.mg.cm2g
20HS30-0504Z300.54.81.32.60.0182.5450
20HS42-0504Z420.57.52.43.60.0254.5490
Table 2. Gearbox Specifications     
Number of gear trains1234
Gear ratio3.7, 5.214, 19, 2751, 71, 100, 139189, 264, 369
Length L2mm24.43341.549.8
Rated output torqueN.m0.611.62
Max output torqueN.m1.834.86
Efficiency%90817366
Weightg35455565

1.8° NEMA 11 Geared Stepper Motor with Planetary Gearbox

The 28mm diameter planetary stepper motor gearbox has gear ratio ranging from 1:3.7 to 1:369. The gearbox rated output torque is up to 286 oz-in (2 Nm)

NEMA 11 geared stepper motorNEMA11 stepper gearmotor

 

 

Table 1. Motor Specifications         
ModelLength LRated CurrentResistanceInductanceHolding TorqueHolding TorqueRotor InteriaLead wiresWeight
mmAΩ/PhasemH/PhaseOz.inN.mg.cm2g
28HS33-0804Z330.85.33.38.60.0684110
28HS45-0804Z450.87.85.411.50.08114140
28HS48-0804Z480.88.66.712.90.09134180

 

Table 2. Gearbox Specifications     
Number of gear trains1234
Gear ratio3.7, 5.214, 19, 2751, 71, 100, 139189, 264, 369, 516, 720
Length L2mm3140.14957.9
Rated output torqueN.m1.223.24
Max output torqueN.m3.669.612
Efficiency%90817366
Weightg598595110

1.8° NEMA 17 Geared Stepper Motor with Planetary Gearbox

NEMA 17 are our best selling geared stepper motors. The 36mm diameter planetary stepper motor gearbox has gear ratio from 1:3.7 to 1:369. The gearbox output torque is up to 429 oz-in (3 Nm)

NEMA 17 geared stepper motorNEMA17 stepper gearmotor

Table 1. Motor Specifications         
ModelLength LRated CurrentResistanceInductanceHolding TorqueHolding TorqueRotor InteriaLead wiresWeight
mmAΩ/PhasemH/PhaseOz.inN.mg.cm2g
42HS20-0804Z200.83.84.514.20.1244120
42HS28-0604Z280.6810170.12304150
42HS34-1304Z341.32.42.8400.28344220
42HS34-0406Z340.43018400.28346220
42HS40-1304Z401.32.55570.4544280
42HS40-1704Z401.71.52.8570.4544280
42HS48-1304Z481.33.25.5740.52684350
42HS48-1704Z481.71.83.2740.52684350
42HS60-1704Z601.72.34.61000.7804480
42HS60-2304Z602.31.42.51000.7804480

Table 2. Gearbox Specifications     
Number of gear trains1234
Gear ratio3.7, 5.214, 19, 2751, 71, 100, 139189, 264, 369, 516, 720
Length L2mm3138.548.455.8
Rated output torqueN.m1.834.86
Max output torqueN.m5.4914.418
Efficiency%90817366
Weightg191207288312

1.8° NEMA 23 Geared Stepper Motor with Planetary Gearbox

The 56mm diameter planetary stepper motor gearbox has gear ratio from 1:3.7 to 1:369. The gearbox output torque is up to 2150 oz-in (15 Nm)

NEMA 23 geared stepper motorNEMA23 stepper gearmotor

Table 1. Motor Specifications         
ModelLength LRated CurrentResistanceInductanceHolding TorqueHolding TorqueRotor InteriaLead wiresWeight
mmAΩ/PhasemH/PhaseOz.inN.mg.cm2g
57HS41-1503Z411.51.22.5780.551504470
57HS56-1504Z561.53.25.51280.92804590
57HS56-3004Z5631.13142128040.68
57HS76-3004Z7630.52.42271.644041050
57HS76-4004Z7640.381.82271.644041050
57HS84-3004Z8430.572.52561.853041130
57HS84-4004Z8440.72.72561.883041130
57HS100-3004Z10030.893.4284268041250
57HS100-4204Z1004.20.93.8284268041250
57HS112-3004Z11230.94.63552.580041400
57HS112-4204Z1124.20.583.83552.580041400
Table 2. Gearbox Specifications     
Number of gear trains1234
Gear ratio3.6 , 4.313, 15, 1847, 55, 65, 77168, 198, 234, 276, 326
Length L1mm53617284
Rated output torqueN.m9152430
Max output torqueN.m27457290
Efficiency%90817366
Weightg420460580690

1.8° NEMA 34 Geared Stepper Motor with Planetary Gearbox

The 86mmx86mm planetary stepper motor gearbox has gear ratio ranging from 1:4 to 1:100. The gearbox rated output torque is up to 17,200 oz-in (120 Nm)

NEMA 34 geared stepper motorNEMA34 stepper gearmotor

Table 1. Motor Specifications         
ModelLength LRated CurrentResistanceInductanceHolding TorqueHolding TorqueRotor InteriaLead wiresWeight
mmAΩ/PhasemH/PhaseOz.inN.mkg.cm2kg
86HS68-4004Z6840.633.23702.60.8542
86HS80-6004Z7560.383.56394.51.0542.5
86HS80-4208Z754.20.723.54973.51.0582.5
86HS98-5004Z9850.549666.81.5543
86HS116-6004Z11460.66.812078.51.843.5
86HS116-5008Z11450.753.28245.81.883.5
86HS128-5004Z12850.65127892.243.9
86HS155-6004Z15060.758.51562112.544.2
Table 2. Gearbox Specifications   
Number of gear trains12
Gear ratio4, 5, 7, 9, 1016, 20, 25, 28, 35, 36, 40, 45, 49, 50, 63, 70, 81, 90, 100
Length L2mm7387
Rated output torqueN.m5080
Max output torqueN.m100160
Efficiency%9694
Weightkg22.5

1.8° NEMA 42 Geared Stepper Motor with Planetary Gearbox

NEMA 42 are our largest stepper gear motors. The 110mm diameter planetary stepper motor gearbox has gear ratio from 1:4 to 1:64. The gearbox output torque is up to 37,200 oz-in (260 Nm)

NEMA 42 planetary geared stepper motorNEMA 42 stepper planetary gearmotor

Table 1. Motor Specifications         
ModelLength LRated CurrentResistanceInductanceHolding TorqueHolding TorqueRotor InteriaLead wiresWeight
mmAΩ/PhasemH/PhaseOz.inN.mkg.cm2kg
110HS99-5504Z995.50.9121562115.545
110HS150-6804Z1506.80.81529822110.948.4
110HS165-6004Z16560.81434082412.549.5
110HS201-8004Z20180.671239762816.2411.7
Table 2. Gearbox Specifications     
Model110PLGB1-xxZ110PLGB2-xxZ
Number of gear trains12
Gear ratio4, 5, 816, 20, 25, 32, 40, 64
Length L2mm90118
Rated output torqueN.m230260
Max output torqueN.m460520
Efficiency%9694
WeightKg4.55.8

1.8° NEMA 23 Geared Stepper Motor with Spur Gearbox

60mmx60mm spur stepper motor gearbox has gear ratio ranging from 1:3 to 1:200.

NEMA 23 stepper spur gearmotorNEMA 23 spur geared stepper motor

Table 1. Motor Specifications         
ModelLength LRated CurrentResistanceInductanceHolding TorqueHolding TorqueRotor InteriaLead wiresWeight
mmAΩ/PhasemH/PhaseOz.inN.mg.cm2g
57HS41-1503Z411.51.22.5780.551504470
57HS56-1504Z561.53.25.51280.92804590
57HS56-3004Z5631.13142128040.68
57HS76-3004Z7630.52.42271.644041050
57HS76-4004Z7640.381.82271.644041050
57HS84-3004Z8430.572.52561.853041130
57HS84-4004Z8440.72.72561.883041130
57HS100-3004Z10030.893.4284268041250
57HS100-4204Z1004.20.93.8284268041250
57HS112-3004Z11230.94.63552.580041400
57HS112-4204Z1124.20.583.83552.580041400
Table 2. Gearbox Specifications    
Model61SPGB1-xxZ61SPGB2-xxZ61SPGB3-xxZ
Number of gear trains123
Gear ratio3 , 3.6 , 5 , 6 , 7.5 , 9 , 12.5 , 15 , 1825 , 30 , 3650 , 60 , 75 , 90 , 100 , 120 , 150 , 180 , 200
Length L2mm324242
Efficiency%817366

1.8° NEMA 34 Geared Stepper Motor with Spur Gearbox

NEMA 34 spur geared stepper motorNEMA34 stepper spur gearmotor

Table 1. Motor Specifications         
ModelLength L1Rated CurrentResistanceInductanceHolding TorqueHolding TorqueRotor InteriaLead wiresWeight
mmAΩ/PhasemH/PhaseOz.inN.mkg.cm2kg
86HS68-4004Z6840.633.23702.60.8542
86HS80-6004Z7560.383.56394.51.0542.5
86HS80-4208Z754.20.723.54973.51.0582.5
86HS98-5004Z9850.549666.81.5543
86HS116-6004Z11460.66.812078.51.843.5
86HS116-5008Z11450.753.28245.81.883.5
86HS128-5004Z12850.65127892.243.9
86HS155-6004Z15060.758.51562112.544.2

Table 2. Gearbox Specifications    
Model90SPGB1-xxZ90SPGB2-xxZ90SPGB3-xxZ
Number of gear trains123
Gear ratio3 , 3.6 , 5 , 6 , 7.5 , 9 , 12.5 , 15 , 1825 , 30 , 3650 , 60 , 75 , 90 , 100 , 120 , 150 , 180 , 200
Length L2mm426060
Efficiency%817366

Table 3. Gearbox Specifications    
Model104SPGB1-xxZ104SPGB2-xxZ104SPGB3-xxZ
Number of gear trains123
Gear ratio3 , 3.6 , 5 , 6 , 7.5 , 9 , 12.5 , 15 , 1825 , 30 , 3650 , 60 , 75 , 90 , 100 , 120 , 150 , 180 , 200
Length L2mm727272
Efficiency%817366

1.8° NEMA 17 Geared Stepper Motor GM42BYGH with 42mm Spur Gearbox

pdfnema17-stepper-motor-42mm-gearbox

Model No.VoltageCurrentResistanceInductanceOutput Torque Holding Torque # of LeadsStep AngleGear ratioLength
VAWmHOz-inKg-cmOz-inKg-cmFull stepmm
GM42BYGH010-G361.651.51.11.674753.8322.340.050°3634
GM42BYGH102-G183.61.233.245332.6362.5960.100°1840
GM42BYGH113-G105.40.856.31040028.8503.640.180°1040
GM42BYGH405-G7.25.30.856.21135225.3624.440.250°7.248
GM42BYGH416-G3.660.87.56.31279.13443.1760.500°3.648
GM42BYG9001-G1040.954.23.217612.6221.5860.090°1034
GM42BYG9102-G52.81.681.653.820014.4503.640.180°540
GM42BYG9404-G3.62.81.681.654.817612.7624.440.250°3.648

 

1.8° NEMA 23 Geared Stepper Motor GM57BYGH with 60mm Spur Gearbox

pdfnema23-stepper-motor-60mm-gearbox

Model No.VoltageCurrentResistanceInductanceOutput Torque Holding Torque # of LeadsStep AngleGear ratioLength
VAWmHOz-inKg-cmOz-inKg-cmFull stepmm
GM57BYGH422-G361.651.51.11.674753.8322.340.050°3634
GM57BYGH516-G303.61.233.245332.6362.5960.100°1840
GM57BYGH603-G205.40.856.31040028.8503.640.180°1040
GM57BYGH701-G185.30.856.21135225.3624.440.250°7.248
GM57BYGH9503-G1060.87.56.31279.13443.1760.500°3.648
GM57BYGH9605-G540.954.23.217612.6221.5860.090°1034
GM57BYGH9704-G3.62.81.681.653.820014.4503.640.180°540