About Electric Motors
When replacing a motor, use the information on your motor’s nameplate to guide your selection.
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Face-Mount Speed-Control Motors
 Motor |  Panel-Mount Controller |  |
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Set and maintain the speed of these motors with the included speed control, which automatically adjusts the power based on feedback from a built-in sensor. These motors combine the speed control characteristics of permanent-magnet brushless DC motors with the convenience of AC power—an integrated inverter means they operate on 120 volts AC. They bolt directly to gearboxes, pumps, and other machinery.
These motors have manual overload protection, which turns them off if they overheat. An LED on the control face indicates when the overload protection is triggered—flip the reset switch to start motors once they cool. The panel-mount controller also lets you turn motors on or off, change the speed, and switch between clockwise or counterclockwise rotation. To create a control station, mount it up to 10 feet from the motor with the included cable.
Rated for continuous duty, these motors can run machines that require constant power, such as fans and conveyors. They have totally enclosed non-ventilated (TENV) enclosures, which don’t have vents, so you can install them in damp and dirty environments. They don’t have a fan, so motors get warmer and run less efficiently than they would in open or fan-cooled enclosures.
For technical drawings and 3-D models, click on a part number.
Overall | Shaft | For Panel Cutout | Insulation | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power, hp | Max. Speed, rpm | Starting Torque, in.-lbs. | Torque @ Max. Speed, in.-lbs. | Full Load Current, A | Motor Enclosure Type | Lg. | Wd. | Ht. | Dia. | Lg. | Center to Base | Wd. | Ht. | Class | Max. Temp. | Environmental Rating | Each | |
120 Volts AC, Single Phase | ||||||||||||||||||
NEMA 34 | ||||||||||||||||||
| 1/5 | 1,750 | 8.1 | 8.1 | 2 | Totally Enclosed Nonventilated (TENV) | 7 1/2" | 4" | 4 1/4" | 1/2" | 1.21" | 1.93" | 4" | 2 7/8" | B | 266° | IP50 | 000000 | 000000000 |
| 1/3 | 1,750 | 13.4 | 13.4 | 8 | Totally Enclosed Nonventilated (TENV) | 8 1/2" | 4" | 4 1/4" | 1/2" | 1.21" | 1.93" | 4" | 2 7/8" | B | 266° | IP50 | 000000 | 00000000 |
| 1/3 | 3,450 | 6.5 | 6.5 | 4 | Totally Enclosed Nonventilated (TENV) | 7 1/2" | 4" | 4 1/4" | 1/2" | 1.21" | 1.93" | 4" | 2 7/8" | B | 266° | IP50 | 000000 | 00000000 |
Spindle Motors
Designed to run at high speeds with very little vibration, these motors often drive smooth, steady cuts in CNC machines. They’re brushless, so they run faster, last longer, and are more efficient than brushed DC motors. They also have a higher torque-to-weight ratio. You’ll need a brushless DC motor driver (not included) to power and control these spindle motors. They’re not compatible with automatic tool changers.
They come with an ER-11 collet for holding round-shank tools, such as router bits, drill bits, and end mills. Collets for larger shank sizes are sold separately.
Total Indicated Runout (TIR) is a measure of rotational smoothness—the lower the value, the less wobble a rotating tool will have and the more accurate it will be. When choosing a replacement spindle motor, you want one that has an equal or better TIR.
For technical drawings and 3-D models, click on a part number.
Torque, in.lbs. | Insulation | O'all | Shaft | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. Speed, rpm | Voltage | Full Load Current, A | Wattage, kW | Frame Size | Max. | Continuous | Class | Max. Temp., °F | Lg. | Wd. | Ht. | Dia., mm | Lg., mm | TIR (Total Indicated Runout) Accuracy | Type | Sizes Included | Each | |
| 14,400 | 48V DC | 24.9 | 0.211 | NEMA 24 | 0.31 | 0.1 | F | 311° | 6.1" | 2.4" | 2.8" | 30 | 52 | 0.0005" | ER-11 | 1/8" | 0000000 | 0000000 |
| Collet Size | Grip Range | Workpiece Dia. Tolerance | Max. Body Dia. | Approx. Dia. Compression | Overall Lg. | Material | Each | |
| 1/8" | 0.109"-0.125" | -0.0001" to 0.0001" | 0.46" | 1/64" | 0.71" | Steel | 0000000 | 000000 |
| 3/16" | 0.172"-0.187" | -0.0001" to 0.0001" | 0.46" | 1/64" | 0.71" | Steel | 0000000 | 00000 |
| 1/4" | 0.234"-0.250" | -0.0001" to 0.0001" | 0.46" | 1/64" | 0.71" | Steel | 0000000 | 00000 |
5-Axis Tabletop CNC Milling Machines
With a tilting, rotating table, these milling machines create more complex shapes than 3-axis models without requiring multiple setups. By moving the spindle and rotating the workpiece simultaneously, they’re capable of making helical gears, manifolds, and other small parts that require 3D contouring, hollowing, and undercutting. Similar in size to a desktop printer, they mill plastic, wood, and soft metal pieces up to 4.55" × 5" × 3.55" for rapid prototyping of small-parts; however, they’re not for production-scale work. They are compatible with 2D and 3D CAD files.
Machines move on five axes: the spindle travels 4.55" side to side; the table travels 5" front to back, 3.55" up and down, tilts 160°, and rotates 360°. They have a 200W brushless DC motor that powers the spindle up to 10,000 rpm with 0.002" of TIR (total indicated runout). TIR is a measure of rotational smoothness—the lower the value, the less wobble a rotating tool will have, and the more accurate it will be.
All have a single-flute, carbide square end mill for making square slots, pockets, and edges. A tool length measurement device ensures accurate cuts, even when switching tools. A steel enclosure contains chips and reduces noise.
Machines include a 1/8" ER-11 collet for holding round-shank tools, such as router bits, drill bits, and end mills, with shank sizes from 0.109" to 1/8". Use additional ER-11 collets to hold tools that have larger shank sizes.
Edge finders with holder mount directly into the spindle. They locate edges, shoulders, center points, and lines on your workpiece.
ER-40 collets with adapters fit inside the hole in the center of the machine’s table to hold round workpieces. Because the workpiece passes through the table, it allows clearance for machining longer pieces.
Tool holder sets include three extended tool holders, one standard tool holder, and a stand to hold all four. Standard tool holders are for tools that are longer than 2 1/2"; extended tool holders are for tools that are 2 1/2" in length and shorter.
Overall | Max. Workpiece | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Dp. | Ht. | Wd. | Dp. | Wt., lbs. | For Collet Type | Spindle Speed, rpm | Frame Material | Enclosure Material | TIR (Total Indicated Runout) Accuracy | Features | Includes | Each | |
| 17 1/2" | 23" | 11 1/2" | 4.55" | 5" | 3.55" | 37 | ER-11 | 2,000-10,000 | Aluminum | Steel | 0.002" | Tool Length Measurement Device | Enclosure, USB Cable, 1/8" Carbide Square End Mill, 1/8" ER-11 Collet, Collet Wrench, Tool Holder, Vise | 0000000 | 000000000 |
Torque, in.-lbs. | Insulation | O'all | Shaft | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. Speed, rpm | Voltage | Full Load Current, A | Wattage, kW | Frame Size | Max. | Continuous | Class | Max. Temp., °F | Lg. | Wd. | Ht. | Dia., mm | Lg., mm | TIR (Total Indicated Runout) Accuracy | Collet Type | Collet Sizes Included | Each | |
| 14,400 | 48V DC | 24.9 | 0.211 | NEMA 24 | 0.31 | 0.1 | F | 311° | 5.3" | 2.4" | 2.4" | 7 | 20 | 0.0005" | ER-11 | 1/8" | 0000000 | 0000000 |
| Collet Size | Grip Range | Workpiece Dia. Tolerance | Max. Body Dia. | Overall Lg. | Material | Approximate Dia. Compression | Each | |
| 1/8" | 0.109"-0.125" | -0.0001" to 0.0001" | 0.46" | 0.71" | Steel | 1/64" | 0000000 | 000000 |
| 3/16" | 0.172"-0.187" | -0.0001" to 0.0001" | 0.46" | 0.71" | Steel | 1/64" | 0000000 | 00000 |
| 1/4" | 0.234"-0.250" | -0.0001" to 0.0001" | 0.46" | 0.71" | Steel | 1/64" | 0000000 | 00000 |
| Edge Finder Body Dia. | Tip Dia. | Material | Each | |
| 3/8" | 0.2" | Steel | 0000000 | 0000000 |
Collet | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Material | For Dia. | Overall Lg. | OD | Material | Includes | Each | |
| 1" | Steel | 1/8"-1 1/8" (3 mm-28 mm) | 1.15" | 2.09" | Aluminum | ER-40 Wrench | 0000000 | 0000000 |
| For Number of Tools | For Max. Tool Size | Material | Includes | Each | |
| 5 | 1/4" | Aluminum | One Stand, One Standard Tool Holder, Three Extended Tool Holders | 0000000 | 0000000 |
3-Axis Tabletop CNC Milling Machines
Design and machine small parts for rapid prototyping. Similar in size to a desktop printer, these CNC machines mill plastic, wood, copper, aluminum, and other soft metals up to 8" × 8" × 3". Compared to manual milling machines, they are faster, more consistent, and able to create more complex shapes; however, they are not for production-scale work. Use them for milling contoured 3D objects, printed circuit boards (PCBs), and small parts such as gears, retaining rings, and shims. They are compatible with 2D and 3D CAD files and include software for creating 2D designs from scratch, no experience required.
Machines move on three axes: the spindle travels 8" side to side and 3" up and down; the table travels 8" front to back. They have a 130W brushless DC motor that powers the spindle up to 24,000 rpm with 0.0001" of TIR (total indicated runout). TIR is a measure of rotational smoothness—the lower the value, the less wobble a rotating tool will have, and the more accurate it will be.
All include one square end mill for making square slots, pockets, and edges and one ball end mill for making rounded slots, slopes, and contours. A tool length measurement device ensures accurate cuts, even when switching tools. A 1/2" MDF wasteboard protects the end mill from damage, similar in principle to a kitchen cutting board. The built-in enclosure contains chips and reduces noise.
Machines also include a 1/8" ER-11 collet for holding round-shank tools, such as router bits, drill bits, and end mills, with shank sizes from 0.109" to 1/8". Use additional ER-11 collets to hold tools that have larger shank sizes.
Flip jigs attach to the table and hold the workpiece in place to save time and prevent mistakes when machining both sides of the workpiece. When one side is done, turn the jig over and the other side is already in place, no edge-finders or recalibration needed.
Fixture plates have an array of M6 × 1 mm threaded holes to support various clamps and workholding setups. Attach the fixture plate to the machine’s table using the included fasteners.
Vises firmly hold the workpiece for precise machining. They are sized to fit the machine’s table; attach with the included fasteners.
Overall | Max. Workpiece | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Dp. | Ht. | Wd. | Dp. | Wt. | For Collet Type | Spindle Speed | Frame Material | Enclosure Material | TIR (Total Indicated Runout) Accuracy | Features | Includes | Each | |
| 17" | 17 1/2" | 19" | 3" | 8" | 8" | 60 lbs. | ER-11 | 9,000 rpm-24,000 rpm | Aluminum | Wood | 0.0001" | Enclosure, Lights, Tool Length Measurement Device | Carbide Create (2D CAD/CAM) Software, MeshCAM (3D CAM) Software, USB Cable, 1/8" Carbide Square End Mill, 1/8" ER-11 Collet, Collet Wrench, 1/2" MDF Wasteboard, 1/8" Carbide Round End Mill, BitZero 2.0 Probe, Alibre (3D CAD/CAM) Software, Spindle Wrench | 000000 | 000000000 |
| Collet Size | Grip Range | Workpiece Dia. Tolerance | Max. Body Dia. | Overall Lg. | Material | Approximate Dia. Compression | Each | |
| 1/8" | 0.109"-0.125" | -0.0001" to 0.0001" | 0.46" | 0.71" | Steel | 1/64" | 0000000 | 000000 |
| 3/16" | 0.172"-0.187" | -0.0001" to 0.0001" | 0.46" | 0.71" | Steel | 1/64" | 0000000 | 00000 |
| 1/4" | 0.234"-0.250" | -0.0001" to 0.0001" | 0.46" | 0.71" | Steel | 1/64" | 0000000 | 00000 |
Max. Workpiece | ||||||
|---|---|---|---|---|---|---|
| Wd. | Dp. | Ht. | Material | Mounting Hardware Included | Each | |
| 5" | 1.2" | 3" | Aluminum | Yes | 000000 | 0000000 |
| Lg. | Wd. | Thick. | Number of Holes | Hole Size | Material | Mounting Hardware Included | Each | |
| 8" | 8" | 1/2" | 85 | M6 | Aluminum | Yes | 000000 | 0000000 |
| Lg. | Wd. | Max. Jaw Opening | Material | Mounting Hardware Included | Each | |
| 8" | 2" | 6 1/2" | Aluminum | Yes | 000000 | 0000000 |