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Deal.ai › 3D Printing
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Nema 17 Geared Stepper Motor

Nema 17 Geared Stepper Motor

Best price now

$78.89at NeweggChecked Nov 10

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Price facts

  • Last seen at $78.89 at Newegg on Nov 10.

    • Our take on the Nema 17 Geared Stepper Motor

    A NEMA 17 bipolar stepper with an integrated 5.18:1 planetary gearbox, rated 1.68A with 1.65 ohm phase resistance. The gearbox trades top speed for torque and turns the motor's 1.8-degree steps into roughly 0.35 degrees at the output shaft. It suits builds that need holding force and fine positioning, such as extruders, small CNC axes and robotics, rather than fast travel moves. Against a plain NEMA 17 it gives far more torque and resolution at the same size, but it is slower and adds backlash and gear noise.

    Best forExtruder or direct-drive builds needing torqueSmall CNC and robotics axesFine positioning where resolution mattersBuilds with space for a longer motor body
    Pros
    • Planetary 5.18:1 gearbox multiplies torque well beyond a plain NEMA 17
    • 0.35-degree output step gives fine positioning without microstepping tricks
    • Standard NEMA 17 face and 4-wire bipolar wiring fit common drivers
    • 1.68A rating matches many common stepper driver boards
    • Gearbox is integrated, so no separate coupling or belt reduction
    Cons
    • Output speed is about one-fifth of the bare motor's
    • Planetary gears add backlash that hurts bidirectional accuracy
    • Gear noise is noticeable at higher speeds
    • Longer and heavier than a standard NEMA 17, which can affect mounts
    • Gearbox needs its own lubrication and is not user-serviceable

    Nema 17 Geared Stepper Motor prices at every store

    • NeweggNew

      In stock

      $78.89Free shippingChecked Nov 10
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    Store links may earn us a commission. Price via Klarna.

    Nema 17 Geared Stepper Motor price history

    Lowest price we've seen: $78.89 on Nov 10 at Newegg. Tracked across 1 store since Nov 10.

    From Newegg

    • Good torque and good speed
    • 0.35 degree step angle
    • NEMA 17 bipolar 4-wire motor
    • Planetary gearbox ratio 5.18:1
    • Rated current 1.68A
    • Resistance 1.65 ohms
    Guarantee
    Contact the seller directly for warranty information; it may also be found on the manufacturer's website.
    Returns
    Return for refund within 30 days; return for replacement within 30 days; covered by Yongxian Pan Business Co., Limited Return Policy.
    Shipping
    Shipped by Yongxian Pan Business Co., Limited.

    About the Nema 17 Geared Stepper Motor

    This is a NEMA 17 geared stepper motor for 3D printing. It is a bipolar 4-wire motor with a built-in planetary gearbox that has a ratio of 5.18:1.

    The motor has a step angle of 0.35 degrees. It is rated at 1.68 A with a winding resistance of 1.65 ohms.

    Motor type
    NEMA 17 bipolar stepper, 4-wire
    Gearbox
    Planetary, 5.18:1 ratio
    Step angle
    0.35 degrees
    Rated current
    1.68 A
    Resistance
    1.65 ohms

    Questions and answers

    How does this compare with a standard NEMA 17?
    It has the same mounting face and wiring but a 5.18:1 planetary gearbox. That gives much more torque and about 0.35-degree output steps, at the cost of speed, added length and some backlash.
    What driver can run it?
    It is a 4-wire bipolar motor rated 1.68A per phase, so most common stepper drivers work. Set the current limit to 1.68A or below and match the coil pairs.
    Does the gearbox cause backlash?
    Yes. Planetary gearboxes have some play, typically noticeable on direction changes. It matters for CNC and precision work but is usually fine for extruders and positioning tasks.
    How fast can it spin?
    The output turns about one-fifth as fast as the motor. Expect useful torque at low to moderate output speeds; high-speed travel moves are not its strength.
    What is the step angle at the output?
    The motor itself is a 1.8-degree stepper, and the 5.18:1 reduction brings the output to roughly 0.35 degrees per full step.
    What is in the box?
    The motor with the integrated planetary gearbox and a 4-wire lead. Mounting screws and a driver are not included.
    Where is the Nema 17 Geared Stepper Motor cheapest?
    At Newegg, for $78.89, as of our latest check.

    Stores we've priced the Nema 17 Geared Stepper Motor at

    • Newegg deals and prices