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Oriental Motor offers a wide range of motion control products to meet a wide range of applications, select the appropriate application type below.

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Standard Type PKE Series 1.65 in. (42 mm) 5-Phase Stepper Motors (AC Input)
1.65 in. (42 mm) NEMA 17 RKII Series 5-Phase Stepper Motors
The PKE Series Stepper Motors are designed to provide high performance and energy savings. To achieve constant maximum torque output with lower heat generation and save energy, the motor losses have been substantially reduced allowing them to be operated for longer hours at high speed which is not possible with conventional stepper motors. For use with RKII Series AC Input Drivers.
- 1.65 in. (42 mm) Frame Size
- 5-Phase, New Pentagon (0.72°)
- Single or Double Shaft
- Geared Types Available
1 2
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Filter
Gear Type
- Spur Gear, Low Backlash (up to 45 arc min), Offset Shaft
- Planetary, Low Backlash (up to 35 arc min), Centered Shaft
- Harmonic, Non Backlash (0 arc min), Centered Shaft
- No Gearhead
Gear Ratio (X:1) (:1)
- 3.6
- 5
- 7.2
- 10
- 20
- 25
- 30
- 36
- 50
- 100
Shaft
- Single
- Double
Item # |
Frame Size |
Motor Length |
Speed-Torque Characteristics |
Holding Torque |
Shaft/Gear Type |
Gear Ratio (X:1) |
Encoder |
Shaft |
Electromagnetic Brake |
Basic Step Angle |
Encoder Output |
Web Price |
Add To Cart / Contact Sales |
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PKE543AC PKE543AC/Asset/pke543_c-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 19.8 oz-in0.14 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.72° | Encoder Output - | $69.00 |
Add To Cart
Request Quote |
PKE544AC PKE544AC/Asset/pke543_c-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.57 in.40 mm |
Speed-Torque Characteristics
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Holding Torque - 29 oz-in0.21 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.72° | Encoder Output - | $70.00 |
Add To Cart
Request Quote |
PKE545AC PKE545AC/Asset/pke543_c-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.81 in.46 mm |
Speed-Torque Characteristics
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Holding Torque - 38 oz-in0.27 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.72° | Encoder Output - | $77.00 |
Add To Cart
Request Quote |
PKE543AC-HS50 PKE543AC-HS50/Asset/pke543_c-hs_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 480 oz-in3.5 N·m | Shaft/Gear Type - Harmonic Gear | Gear Ratio (X:1) - 50 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.0144° | Encoder Output - | $708.00 |
Add To Cart
Request Quote |
PKE543AC-HS100 PKE543AC-HS100/Asset/pke543_c-hs_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 704 oz-in5 N·m | Shaft/Gear Type - Harmonic Gear | Gear Ratio (X:1) - 100 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.0072° | Encoder Output - | $708.00 |
Add To Cart
Request Quote |
PKE545AC-PS5 PKE545AC-PS5/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.81 in.46 mm |
Speed-Torque Characteristics
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Holding Torque - 140.8 oz-in1 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 5 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.144° | Encoder Output - | $364.00 |
Add To Cart
Request Quote |
PKE545AC-PS7.2 PKE545AC-PS7.2/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.81 in.46 mm |
Speed-Torque Characteristics
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Holding Torque - 211.2 oz-in1.5 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 7.2 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.1° | Encoder Output - | $364.00 |
Add To Cart
Request Quote |
PKE545AC-PS10 PKE545AC-PS10/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.81 in.46 mm |
Speed-Torque Characteristics
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Holding Torque - 211.2 oz-in1.5 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 10 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.072° | Encoder Output - | $364.00 |
Add To Cart
Request Quote |
PKE543AC-PS25 PKE543AC-PS25/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 352 oz-in2.5 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 25 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.0288° | Encoder Output - | $414.00 |
Add To Cart
Request Quote |
PKE543AC-PS36 PKE543AC-PS36/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 416 oz-in3 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 36 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.02° | Encoder Output - | $414.00 |
Add To Cart
Request Quote |
PKE543AC-PS50 PKE543AC-PS50/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 416 oz-in3 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 50 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.0144° | Encoder Output - | $414.00 |
Add To Cart
Request Quote |
PKE543AC-TS3.6 PKE543AC-TS3.6/Asset/pke543_c-ts_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 70.4 oz-in0.5 N·m | Shaft/Gear Type - Spur Gear | Gear Ratio (X:1) - 3.6 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.2° | Encoder Output - | $209.00 |
Add To Cart
Request Quote |
PKE543AC-TS7.2 PKE543AC-TS7.2/Asset/pke543_c-ts_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 140.8 oz-in1 N·m | Shaft/Gear Type - Spur Gear | Gear Ratio (X:1) - 7.2 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.1° | Encoder Output - | $209.00 |
Add To Cart
Request Quote |
PKE543AC-TS10 PKE543AC-TS10/Asset/pke543_c-ts_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 196.8 oz-in1.4 N·m | Shaft/Gear Type - Spur Gear | Gear Ratio (X:1) - 10 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.072° | Encoder Output - | $224.00 |
Add To Cart
Request Quote |
PKE543AC-TS20 PKE543AC-TS20/Asset/pke543_c-ts_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 283.2 oz-in2 N·m | Shaft/Gear Type - Spur Gear | Gear Ratio (X:1) - 20 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.036° | Encoder Output - | $224.00 |
Add To Cart
Request Quote |
PKE543AC-TS30 PKE543AC-TS30/Asset/pke543_c-ts_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 320 oz-in2.3 N·m | Shaft/Gear Type - Spur Gear | Gear Ratio (X:1) - 30 :1 | Encoder - Not Equipped | Shaft - Single | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.024° | Encoder Output - | $224.00 |
Add To Cart
Request Quote |
PKE543BC PKE543BC/Asset/pke543_c-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque - 19.8 oz-in0.14 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.72° | Encoder Output - | $71.00 |
Add To Cart
Request Quote |
PKE544BC PKE544BC/Asset/pke543_c-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.57 in.40 mm |
Speed-Torque Characteristics
![]() |
Holding Torque - 29 oz-in0.21 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.72° | Encoder Output - | $72.00 |
Add To Cart
Request Quote |
PKE545BC PKE545BC/Asset/pke543_c-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque - 38 oz-in0.27 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.72° | Encoder Output - | $80.00 |
Add To Cart
Request Quote |
PKE543BC-HS50 PKE543BC-HS50/Asset/pke543_c-hs_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque - 480 oz-in3.5 N·m | Shaft/Gear Type - Harmonic Gear | Gear Ratio (X:1) - 50 :1 | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.0144° | Encoder Output - | $710.00 |
Add To Cart
Request Quote |
PKE543BC-HS100 PKE543BC-HS100/Asset/pke543_c-hs_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque - 704 oz-in5 N·m | Shaft/Gear Type - Harmonic Gear | Gear Ratio (X:1) - 100 :1 | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.0072° | Encoder Output - | $710.00 |
Add To Cart
Request Quote |
PKE545BC-PS5 PKE545BC-PS5/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque - 140.8 oz-in1 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 5 :1 | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.144° | Encoder Output - | $366.00 |
Add To Cart
Request Quote |
PKE545BC-PS7.2 PKE545BC-PS7.2/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.81 in.46 mm |
Speed-Torque Characteristics
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Holding Torque - 211.2 oz-in1.5 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 7.2 :1 | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.1° | Encoder Output - | $366.00 |
Add To Cart
Request Quote |
PKE545BC-PS10 PKE545BC-PS10/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque - 211.2 oz-in1.5 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 10 :1 | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.072° | Encoder Output - | $366.00 |
Add To Cart
Request Quote |
PKE543BC-PS25 PKE543BC-PS25/Asset/pke543_c-ps_-img.jpg | Frame Size - 1.65 in42 mm | Motor Length - 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque - 352 oz-in2.5 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 25 :1 | Encoder - Not Equipped | Shaft - Double | Electromagnetic Brake - Not Equipped | Basic Step Angle - 0.0288° | Encoder Output - | $416.00 |
Add To Cart
Request Quote |
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