The RK series incorporates new functions and state-of-the-art technologies to achieve the ultimate performance of a stepper motor. The RK Series offers both the high resolution and smooth motion of a microstepping system with improved response characteristics found in a high performance stepping motor solution. The RK series "Smooth Drive" function achieves low vibration without the need for a higher cost pulse generator.
  • Lowest vibration motor performance
  • Smooth Drive function
  • Geared options
  • IP65 motors available
  • Resolution - 0.72° ~ 0.0.00288° [16 steps] (Microstep)  
  • Single-phase 100-115 or 200-230 VAC or Three-phase 200-230 VAC
  • RoHS Compliant
  • Learn More

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    Item #

    Frame Size

    Speed-Torque Characteristics

    Holding Torque

    Shaft/Gear Type

    Gear Ratio (X:1)

    Shaft

    Power Supply

    Basic Step Angle

    Encoder Output

    Web Price

    Current per Phase (A/phase)

    Lead Time (Legacy)

    Add To Cart / Contact Sales
    RK543AA - 1.65 in42 mm
    Graph
    - 18.4 oz-in0.13 N·m - Round Shaft (No Gearhead) - - Single - Single-Phase 100-115 VAC - Microstep- 0.00288° ~ 0.72° - Request Quote - - Add To Cart
    Request Quote
    RK543BA - 1.65 in42 mm
    Graph
    - 18.4 oz-in0.13 N·m - Round Shaft (No Gearhead) - - Double - Single-Phase 100-115 VAC - Microstep- 0.00288° ~ 0.72° - Request Quote - - Add To Cart
    Request Quote
    RK543AA-T3.6 - 1.65 in42 mm
    Graph
    - 48 oz-in0.35 N·m - Taper Hobbed Gear - 3.6 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0008° ~ 0.2° - Request Quote - - Add To Cart
    Request Quote
    RK543AA-T7.2 - 1.65 in42 mm
    Graph
    - 98 oz-in0.7 N·m - Taper Hobbed Gear - 7.2 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0004° ~ 0.1° - Request Quote - - Add To Cart
    Request Quote
    RK543AA-T10 - 1.65 in42 mm
    Graph
    - 141 oz-in1 N·m - Taper Hobbed Gear - 10 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000288° ~ 0.072° - Request Quote - - Add To Cart
    Request Quote
    RK543AA-T20 - 1.65 in42 mm
    Graph
    - 211 oz-in1.5 N·m - Taper Hobbed Gear - 20 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000144° ~ 0.036° - Request Quote - - Add To Cart
    Request Quote
    RK543AA-T30 - 1.65 in42 mm
    Graph
    - 211 oz-in1.5 N·m - Taper Hobbed Gear - 30 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000096° ~ 0.024° - Request Quote - - Add To Cart
    Request Quote
    RK543AA-H50 - 1.65 in42 mm
    Graph
    - 480 oz-in3.5 N·m - Harmonic Gear - 50 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0000576° ~ 0.0144° - Request Quote - - Add To Cart
    Request Quote
    RK543AA-H100 - 1.65 in42 mm
    Graph
    - 704 oz-in5 N·m - Harmonic Gear - 100 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0000288° ~ 0.0072° - Request Quote - - Add To Cart
    Request Quote
    RK543BA-T3.6 - 1.65 in42 mm
    Graph
    - 48 oz-in0.35 N·m - Taper Hobbed Gear - 3.6 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.0008° ~ 0.2° - Request Quote - - Add To Cart
    Request Quote
    RK543BA-T7.2 - 1.65 in42 mm
    Graph
    - 98 oz-in0.7 N·m - Taper Hobbed Gear - 7.2 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.0004° ~ 0.1° - Request Quote - - Add To Cart
    Request Quote
    RK543BA-T10 - 1.65 in42 mm
    Graph
    - 141 oz-in1 N·m - Taper Hobbed Gear - 10 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.000288° ~ 0.072° - Request Quote - - Add To Cart
    Request Quote
    RK543BA-T20 - 1.65 in42 mm
    Graph
    - 211 oz-in1.5 N·m - Taper Hobbed Gear - 20 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.000144° ~ 0.036° - Request Quote - - Add To Cart
    Request Quote
    RK543BA-T30 - 1.65 in42 mm
    Graph
    - 211 oz-in1.5 N·m - Taper Hobbed Gear - 30 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.000096° ~ 0.024° - Request Quote - - Add To Cart
    Request Quote
    RK543BA-H50 - 1.65 in42 mm
    Graph
    - 480 oz-in3.5 N·m - Harmonic Gear - 50 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.0000576° ~ 0.0144° - Request Quote - - Add To Cart
    Request Quote
    RK543BA-H100 - 1.65 in42 mm
    Graph
    - 704 oz-in5 N·m - Harmonic Gear - 100 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.0000288° ~ 0.0072° - Request Quote - - Add To Cart
    Request Quote
    RK544AA - 1.65 in42 mm
    Graph
    - 25 oz-in0.18 N·m - Round Shaft (No Gearhead) - - Single - Single-Phase 100-115 VAC - Microstep- 0.00288° ~ 0.72° - Request Quote - - Add To Cart
    Request Quote
    RK544BA - 1.65 in42 mm
    Graph
    - 25 oz-in0.18 N·m - Round Shaft (No Gearhead) - - Double - Single-Phase 100-115 VAC - Microstep- 0.00288° ~ 0.72° - Request Quote - - Add To Cart
    Request Quote
    RK544AA-N5 - 1.65 in42 mm
    Graph
    - 112 oz-in0.8 N·m - Planetary Gear - 5 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000576° ~ 0.144° - Request Quote - - Add To Cart
    Request Quote
    RK544AA-N7.2 - 1.65 in42 mm
    Graph
    - 170 oz-in1.2 N·m - Planetary Gear - 7.2 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0004° ~ 0.1° - Request Quote - - Add To Cart
    Request Quote
    RK544AA-N10 - 1.65 in42 mm
    Graph
    - 211 oz-in1.5 N·m - Planetary Gear - 10 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000288° ~ 0.072° - Request Quote - - Add To Cart
    Request Quote
    RK544BA-N5 - 1.65 in42 mm
    Graph
    - 112 oz-in0.8 N·m - Planetary Gear - 5 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.000576° ~ 0.144° - Request Quote - - Add To Cart
    Request Quote
    RK544BA-N7.2 - 1.65 in42 mm
    Graph
    - 170 oz-in1.2 N·m - Planetary Gear - 7.2 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.0004° ~ 0.1° - Request Quote - - Add To Cart
    Request Quote
    RK544BA-N10 - 1.65 in42 mm
    Graph
    - 211 oz-in1.5 N·m - Planetary Gear - 10 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.000288° ~ 0.072° - Request Quote - - Add To Cart
    Request Quote
    RK545AA - 1.65 in42 mm
    Graph
    - 34 oz-in0.24 N·m - Round Shaft (No Gearhead) - - Single - Single-Phase 100-115 VAC - Microstep- 0.00288° ~ 0.72° - Request Quote - - Add To Cart
    Request Quote
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