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 - 0.72º ~ 0.0.00288º [16 steps] (Microstep)
  • Single-phase 100-115 or 200-230 VAC or Three-phase 200-230 VAC
  • RoHS Compliant
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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)

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- 1.65 in42 mm
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- 18.4 oz-in0.13 N·m - Round Shaft (No Gearhead) - - Single - Single-Phase 100-115 VAC - Microstep- 0.00288º ~ 0.72º - Request Quote - - Add To Cart
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- 1.65 in42 mm
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- 704 oz-in5 N·m - Harmonic Gear - 100 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0000288º ~ 0.0072º - Request Quote - - Add To Cart
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- 1.65 in42 mm
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- 480 oz-in3.5 N·m - Harmonic Gear - 50 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0000576º ~ 0.0144º - Request Quote - - Add To Cart
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- 1.65 in42 mm
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- 350 oz-in2.5 N·m - Planetary Gear - 25 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0001152º ~ 0.0288º - Request Quote - - Add To Cart
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- 1.65 in42 mm
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- 420 oz-in3 N·m - Planetary Gear - 36 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.00008º ~ 0.02º - Request Quote - - Add To Cart
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- 1.65 in42 mm
Graph
- 420 oz-in3 N·m - Planetary Gear - 50 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0000576º ~ 0.0144º - Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 18.4 oz-in0.13 N·m - Round Shaft (No Gearhead) - - Single - Single-Phase 100-115 VAC - Microstep- 0.00288º ~ 0.72º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 704 oz-in5 N·m - Harmonic Gear - 100 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0000288º ~ 0.0072º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 480 oz-in3.5 N·m - Harmonic Gear - 50 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0000576º ~ 0.0144º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 350 oz-in2.5 N·m - Planetary Gear - 25 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0001152º ~ 0.0288º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 420 oz-in3 N·m - Planetary Gear - 36 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.00008º ~ 0.02º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 420 oz-in3 N·m - Planetary Gear - 50 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0000576º ~ 0.0144º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 141 oz-in1 N·m - Taper Hobbed Gear - 10 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000288º ~ 0.072º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
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- 1.65 in42 mm
Graph
- 211 oz-in1.5 N·m - Taper Hobbed Gear - 20 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000144º ~ 0.036º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
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- 1.65 in42 mm
Graph
- 48 oz-in0.35 N·m - Taper Hobbed Gear - 3.6 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0008º ~ 0.2º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 211 oz-in1.5 N·m - Taper Hobbed Gear - 30 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000096º ~ 0.024º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
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- 1.65 in42 mm
Graph
- 98 oz-in0.7 N·m - Taper Hobbed Gear - 7.2 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0004º ~ 0.1º - 500 P/R TTL 3-Channel Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 141 oz-in1 N·m - Taper Hobbed Gear - 10 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000288º ~ 0.072º - Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 211 oz-in1.5 N·m - Taper Hobbed Gear - 20 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000144º ~ 0.036º - Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 48 oz-in0.35 N·m - Taper Hobbed Gear - 3.6 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0008º ~ 0.2º - Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 211 oz-in1.5 N·m - Taper Hobbed Gear - 30 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.000096º ~ 0.024º - Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 98 oz-in0.7 N·m - Taper Hobbed Gear - 7.2 :1 - Single - Single-Phase 100-115 VAC - Microstep- 0.0004º ~ 0.1º - Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 18.4 oz-in0.13 N·m - Round Shaft (No Gearhead) - - Double - Single-Phase 100-115 VAC - Microstep- 0.00288º ~ 0.72º - Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 704 oz-in5 N·m - Harmonic Gear - 100 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.0000288º ~ 0.0072º - Request Quote - - Add To Cart
Request Quote
- 1.65 in42 mm
Graph
- 480 oz-in3.5 N·m - Harmonic Gear - 50 :1 - Double - Single-Phase 100-115 VAC - Microstep- 0.0000576º ~ 0.0144º - Request Quote - - Add To Cart
Request Quote
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