About Electric Motors
When replacing a motor, use the information on your motor’s nameplate to guide your selection.
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Compact DC Motors
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Power small machinery in spaces where other motors won’t fit. Motors are rated for continuous duty. You can wire for clockwise or counterclockwise shaft rotation; instructions are included.
Use a motor speed control (not included) to adjust motor speed. Use an AC to DC transformer (not included) to convert AC power to DC power.
Round-face motors have a solid shaft (no keyway). High-performance round-face motors have less torque loss at high speeds than other compact motors.
Square-face motors have a D-profile shaft.
For technical drawings and 3-D models, click on a part number.
Overall | Shaft | Insulation | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Speed @ Continuous Operating Torque | Full Load Current, A | Motor Enclosure Type | Lg. | Wd. | Ht. | Dia. | Lg. | Center to Base | Class | Max. Temp., ° F | Each | |
Round-Face Motors | ||||||||||||
12 Volts DC | ||||||||||||
3,000 rpm @ 21 in.-oz. | 4.9 | Totally Enclosed Nonventilated (TENV) | 4 3/4" | 2 1/8" | 2 3/4" | 0.25" | 1" | 1.06" | F | 311° | 0000000 | 0000000 |
5,102 rpm @ 4.7 in.-oz. | 2 | Totally Enclosed Nonventilated (TENV) | 2 3/4" | 1 1/2" | 1 1/2" | 0.156" | 0.562" | 0.79" | F | 311° | 0000000 | 000000 |
5,243 rpm @ 6.1 in.-oz. | 2.6 | Totally Enclosed Nonventilated (TENV) | 3" | 1 1/2" | 1 1/2" | 0.156" | 0.562" | 0.79" | F | 311° | 0000000 | 000000 |
6,172 rpm @ 1.58 in.-oz. | 1 | Totally Enclosed Nonventilated (TENV) | 2 1/2" | 1 1/4" | 1 1/4" | 0.156" | 0.562" | 0.59" | F | 311° | 0000000 | 000000 |
8,574 rpm @ 2.62 in.-oz. | 1.9 | Totally Enclosed Nonventilated (TENV) | 3" | 1 1/4" | 1 1/4" | 0.156" | 0.562" | 0.59" | F | 311° | 0000000 | 000000 |
24 Volts DC | ||||||||||||
3,000 rpm @ 21 in.-oz. | 2.4 | Totally Enclosed Nonventilated (TENV) | 4 3/4" | 2 1/8" | 2 3/4" | 0.25" | 1" | 1.06" | F | 311° | 0000000 | 000000 |
3,230 rpm @ 26 in.-oz. | 3.2 | Totally Enclosed Nonventilated (TENV) | 5" | 2 1/8" | 2 3/4" | 0.25" | 1" | 1.06" | F | 311° | 0000000 | 000000 |
4,535 rpm @ 11.5 in.-oz. | 2 | Totally Enclosed Nonventilated (TENV) | 4" | 1 1/2" | 1 1/2" | 0.197" | 0.562" | 0.79" | F | 311° | 0000000 | 000000 |
5,102 rpm @ 4.7 in.-oz. | 1 | Totally Enclosed Nonventilated (TENV) | 2 3/4" | 1 1/2" | 1 1/2" | 0.156" | 0.562" | 0.79" | F | 311° | 0000000 | 000000 |
5,243 rpm @ 6.1 in.-oz. | 1.3 | Totally Enclosed Nonventilated (TENV) | 3" | 1 1/2" | 1 1/2" | 0.156" | 0.562" | 0.79" | F | 311° | 0000000 | 000000 |
6,172 rpm @ 1.58 in.-oz. | 0.5 | Totally Enclosed Nonventilated (TENV) | 2 1/2" | 1 1/4" | 1 1/4" | 0.156" | 0.562" | 0.59" | F | 311° | 0000000 | 000000 |
8,574 rpm @ 2.62 in.-oz. | 1 | Totally Enclosed Nonventilated (TENV) | 3" | 1 1/4" | 1 1/4" | 0.156" | 0.562" | 0.59" | F | 311° | 0000000 | 000000 |
High-Performance Round-Face Motors | ||||||||||||
12 Volts DC | ||||||||||||
7,060 rpm @ 0.99 in.-oz. | 0.7 | Totally Enclosed Nonventilated (TENV) | 1 1/2" | 7/8" | 1 1/2" | 0.079" | 0.256" | 0.433" | B | 266° | 0000000 | 000000 |
12,000 rpm @ 0.6 in.-oz. | 0.6 | Totally Enclosed Nonventilated (TENV) | 2" | 5/8" | 7/8" | 0.059" | 0.24" | 0.315" | A | 221° | 0000000 | 000000 |
High-Performance Round-Face Motors with Mounting Threads | ||||||||||||
6 Volts DC | ||||||||||||
5,650 rpm @ 0.18 in.-oz. | 0.3 | Totally Enclosed Nonventilated (TENV) | 1" | 1/2" | 7/8" | 0.059" | 0.142" | 0.256" | A | 221° | 0000000 | 000000 |
12 Volts DC | ||||||||||||
5,410 rpm @ 0.08 in.-oz. | 0.1 | Totally Enclosed Nonventilated (TENV) | 1" | 5/16" | 5/16" | 0.031" | 0.217" | 0.157" | A | 221° | 0000000 | 000000 |
6,510 rpm @ 0.22 in.-oz. | 0.2 | Totally Enclosed Nonventilated (TENV) | 1 3/8" | 3/8" | 3/8" | 0.039" | 0.22" | 0.197" | A | 221° | 0000000 | 000000 |
Square-Face Motors | ||||||||||||
24 Volts DC | ||||||||||||
3,900 rpm @ 94 in.-oz. | 14 | Totally Enclosed Nonventilated (TENV) | 9 1/2" | 4 1/4" | 5" | 0.5" | 1.44" | 1.57" | F | 311° | 00000000 | 000000 |
4,200 rpm @ 40 in.-oz. | 7.7 | Totally Enclosed Nonventilated (TENV) | 6 1/2" | 3 1/2" | 5" | 0.5" | 1.43" | 1.57" | F | 311° | 00000000 | 000000 |
Stepper Gearmotors
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A stepper motor and gearbox in one, choose these motors when you want high torque but don’t have space for a large motor. Their planetary gearbox efficiently transmits power to increase torque while reducing speed. These motors are great for motion similar to a 3D printer head, using precise, repetitive movements. Like the hands of a clock, their shaft turns in small, equal increments. When the shaft stops, it holds its position, even if there’s a counteracting force on the load. You can control the position of the load without configuring encoders or sensors. All are bipolar hybrid stepper motors, which deliver greater torque, precision, and efficiency than other types of stepper motors.
Holding torque is the force needed to move the shaft out of position when it’s stationary. When the shaft is in motion, torque generally decreases as speed increases. Use a torque-speed curve to confirm which motor will work for your application. Click on a part number and select “Product Detail” to view the curve for a motor.
Full step increment is the rotation of the shaft from one position to the next. The smaller the increment, the smoother and more precise the motion.
All motors require a controller and driver (not included).
For technical drawings and 3-D models, click on a part number.
O'all | Shaft | |||||||||||||
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Max. Holding Torque, in.-oz. | Max. Speed, rpm | Max. Current per Phase, A | Full Step Increment | No. of Wire Leads | Lg. | Wd. | Ht. | Dia., mm | Lg., mm | Center to Base | Type | Temp. Range, °F | Each | |
Round Body | ||||||||||||||
NEMA 5 | ||||||||||||||
27.8 | 680 | 0.56 | 1.875° | 4 | 2.6" | 0.5" | 0.5" | 3 | 8.5 | 0.26" | D-Profile | 0° to 120° | 0000000 | 0000000 |
27.8 | 680 | 0.9 | 1.875° | 4 | 2.6" | 0.5" | 0.5" | 3 | 8.5 | 0.26" | D-Profile | 0° to 120° | 0000000 | 000000 |
41.7 | 40 | 0.56 | 0.11° | 4 | 2.9" | 0.5" | 0.5" | 3 | 8.5 | 0.26" | D-Profile | 0° to 120° | 0000000 | 000000 |
41.7 | 40 | 0.9 | 0.11° | 4 | 2.9" | 0.5" | 0.5" | 3 | 8.5 | 0.26" | D-Profile | 0° to 120° | 0000000 | 000000 |
41.7 | 165 | 0.56 | 0.45° | 4 | 2.8" | 0.5" | 0.5" | 3 | 8.5 | 0.26" | D-Profile | 0° to 120° | 0000000 | 000000 |
41.7 | 165 | 0.9 | 0.45° | 4 | 2.8" | 0.5" | 0.5" | 3 | 8.5 | 0.26" | D-Profile | 0° to 120° | 0000000 | 000000 |
Compact Square-Face DC Gearmotors
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Drive low-speed, high-torque applications in small spaces. Gearmotors combine a motor and speed reducer to lower speed and increase torque. Wire for clockwise or counterclockwise rotation.
Use a motor speed control (not included) to adjust the motor speed.
To convert AC power to DC power, see AC to DC transformers.
For technical drawings and 3-D models, click on a part number.
Overall | Shaft | Insulation | ||||||||||
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Speed @ Continuous Operating Torque | Power, hp | Full Load Current, A | Lg. | Wd. | Ht. | Dia. | Lg. | Center to Base | Class | Max. Temp., ° F | Each | |
12 Volts DC | ||||||||||||
0.6 rpm @ 800 in.-oz. | 0.0003 | 0.1 | 3 1/4" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 000000 |
1.3 rpm @ 800 in.-oz. | 0.001 | 0.5 | 3 1/2" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
4 rpm @ 640 in.-oz. | 0.0025 | 0.7 | 3 1/4" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
8 rpm @ 640 in.-oz. | 0.005 | 0.7 | 4" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
12 rpm @ 640 in.-oz. | 0.0077 | 1.3 | 3 1/2" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
16 rpm @ 400 in.-oz. | 0.0067 | 1.4 | 3 1/2" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
25 rpm @ 320 in.-oz. | 0.008 | 1.3 | 3 1/2" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
50 rpm @ 160 in.-oz. | 0.008 | 1.2 | 3 1/2" | 2 3/4" | 3" | 5/16" | 1" | 2.08" | B | 266° | 0000000 | 00000 |
24 Volts DC | ||||||||||||
1.2 rpm @ 800 in.-oz. | 0.001 | 0.1 | 3 1/4" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
4 rpm @ 800 in.-oz. | 0.0033 | 0.4 | 3 1/4" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
8 rpm @ 544 in.-oz. | 0.0043 | 0.5 | 3 1/2" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
12 rpm @ 384 in.-oz. | 0.0045 | 0.4 | 3 1/2" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
17 rpm @ 272 in.-oz. | 0.0045 | 0.5 | 3 1/2" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
25 rpm @ 800 in.-oz. | 0.02 | 1.1 | 4" | 2 3/4" | 3" | 5/16" | 1" | 1.43" | B | 266° | 0000000 | 00000 |
47 rpm @ 448 in.-oz. | 0.02 | 1.1 | 4" | 2 3/4" | 3" | 5/16" | 1" | 2.08" | B | 266° | 0000000 | 00000 |
Compact Round-Face DC Gearmotors
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Power small machinery in spaces where other gearmotors won’t fit. Gearmotors pair a motor with a speed reducer to lower speed while increasing torque.
To control motor speed, motor controls are also available. To convert AC power to DC power, see AC to DC transformers.
For technical drawings and 3-D models, click on a part number.
Overall | Shaft | Insulation | ||||||||||
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Speed @ Continuous Operating Torque | Power, hp | Full Load Current, A | Lg. | Wd. | Ht. | Dia. | Lg. | Center to Base | Class | Max. Temp., ° F | Each | |
12 Volts DC | ||||||||||||
1 rpm @ 175 in.-oz. | 0.0001 | 0.2 | 4 1/4" | 2" | 2" | 1/4" | 3/4" | 1.33" | F | 311° | 0000000 | 0000000 |
2 rpm @ 175 in.-oz. | 0.0004 | 0.4 | 4 1/4" | 2" | 2" | 1/4" | 3/4" | 1.33" | F | 311° | 0000000 | 000000 |
7 rpm @ 140 in.-oz. | 0.001 | 0.7 | 4 1/4" | 2" | 2" | 1/4" | 3/4" | 1.33" | F | 311° | 0000000 | 000000 |
25 rpm @ 47 in.-oz. | 0.001 | 0.7 | 4 1/4" | 2" | 2" | 1/4" | 3/4" | 1.33" | F | 311° | 0000000 | 000000 |
83 rpm @ 16 in.-oz. | 0.0012 | 0.7 | 4 1/4" | 2" | 2" | 1/4" | 3/4" | 1.33" | F | 311° | 0000000 | 000000 |
19.1 Volts DC | ||||||||||||
21 rpm @ 100 in.-oz. | 0.0021 | 0.5 | 3 3/4" | 1 3/8" | 1 3/8" | 0.19" | 3/4" | 0.95" | F | 311° | 0000000 | 000000 |
65 rpm @ 46 in.-oz. | 0.0032 | 0.6 | 3 3/4" | 1 3/8" | 1 3/8" | 0.19" | 3/4" | 0.95" | F | 311° | 0000000 | 000000 |
202 rpm @ 16 in.-oz. | 0.0036 | 0.6 | 3 3/4" | 1 3/8" | 1 3/8" | 0.19" | 3/4" | 0.95" | F | 311° | 0000000 | 000000 |
625 rpm @ 6 in.-oz. | 0.004 | 0.6 | 3 3/4" | 1 3/8" | 1 3/8" | 0.19" | 3/4" | 0.95" | F | 311° | 0000000 | 000000 |