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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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The AR Series adopts our AlphaStep technology closed loop control so the motor does not lose synchronism even when subjected to abrupt load fluctuation or acceleration. Requires AlphaStep AR Series Driver.
- 3.35 in. (85 mm)/ 3.54 (90 mm) Frame Sizes
- Closed Loop
- AC Input
- Single or Double Shaft
- Geared Type Available
- Electromagnetic Brake Type Available
Gear Type
- Taper Hobbed, Low Backlash (up to 45 arc min), Offset Shaft
- Planetary, Low Backlash (up to 35 arc min), Centered Shaft
- Planetary, Non Backlash (3 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
Electromagnetic Brake
- Equipped
- Not Equipped
Item # |
Frame Size |
Driver Voltage Input Power |
Speed-Torque Characteristics |
Holding Torque |
Shaft/Gear Type |
Gear Ratio (X:1) |
Shaft |
Electromagnetic Brake |
Web Price |
Add To Cart / Contact Sales |
---|---|---|---|---|---|---|---|---|---|---|
ARM911AC | Frame Size - 3.35 in85 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 560 oz-in4 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Shaft - Single | Electromagnetic Brake - Not Equipped | $325.00 |
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ARM911BC | Frame Size - 3.35 in85 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 560 oz-in4 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Shaft - Double | Electromagnetic Brake - Not Equipped | $329.00 |
Add To Cart
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ARM98AC | Frame Size - 3.35 in85 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 280 oz-in2 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Shaft - Single | Electromagnetic Brake - Not Equipped | $257.00 |
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ARM98AC-T3.6 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 624 oz-in4.5 N·m | Shaft/Gear Type - Taper Hobbed Gear | Gear Ratio (X:1) - 3.6 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $402.00 |
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ARM98AC-T7.2 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 1264 oz-in9 N·m | Shaft/Gear Type - Taper Hobbed Gear | Gear Ratio (X:1) - 7.2 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $402.00 |
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ARM98AC-T10 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 1264 oz-in9 N·m | Shaft/Gear Type - Taper Hobbed Gear | Gear Ratio (X:1) - 10 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $415.00 |
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ARM98AC-T20 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 1696 oz-in12 N·m | Shaft/Gear Type - Taper Hobbed Gear | Gear Ratio (X:1) - 20 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $415.00 |
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ARM98AC-T30 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 1696 oz-in12 N·m | Shaft/Gear Type - Taper Hobbed Gear | Gear Ratio (X:1) - 30 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $415.00 |
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ARM98AC-N5 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 1408 oz-in10 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 5 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $916.00 |
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ARM98AC-N7.2 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 1968 oz-in14 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 7.2 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $916.00 |
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ARM98AC-N10 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 2832 oz-in20 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 10 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $916.00 |
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ARM98AC-N25 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 5120 oz-in37 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 25 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $1,016.00 |
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ARM98AC-N36 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 5120 oz-in37 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 36 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $1,016.00 |
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ARM98AC-N50 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 5120 oz-in37 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 50 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $1,016.00 |
Add To Cart
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ARM98AC-PS5 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 1420 oz-in10 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 5 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $572.00 |
Add To Cart
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ARM98AC-PS7 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 1980 oz-in14 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 7.2 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $572.00 |
Add To Cart
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ARM98AC-PS10 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 2800 oz-in20 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 10 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $572.00 |
Add To Cart
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ARM98AC-PS25 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 5200 oz-in37 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 25 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $680.00 |
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ARM98AC-PS36 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 5200 oz-in37 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 36 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $680.00 |
Add To Cart
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ARM98AC-PS50 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 5200 oz-in37 N·m | Shaft/Gear Type - Planetary Gear | Gear Ratio (X:1) - 50 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $680.00 |
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ARM98AC-H50 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 3520 oz-in25 N·m | Shaft/Gear Type - Harmonic Gear | Gear Ratio (X:1) - 50 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $1,274.00 |
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ARM98AC-H100 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 5120 oz-in37 N·m | Shaft/Gear Type - Harmonic Gear | Gear Ratio (X:1) - 100 :1 | Shaft - Single | Electromagnetic Brake - Not Equipped | $1,274.00 |
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ARM98BC | Frame Size - 3.35 in85 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 280 oz-in2 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Shaft - Double | Electromagnetic Brake - Not Equipped | $260.00 |
Add To Cart
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ARM98MC | Frame Size - 3.35 in85 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 280 oz-in2 N·m | Shaft/Gear Type - Round Shaft (No Gearhead) | Gear Ratio (X:1) - | Shaft - Single | Electromagnetic Brake - Equipped | $450.00 |
Add To Cart
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ARM98MC-T3.6 | Frame Size - 3.54 in90 mm | Driver Voltage Input Power - AC |
Speed-Torque Characteristics
![]() Speed - Torque Characteristics |
Holding Torque - 624 oz-in4.5 N·m | Shaft/Gear Type - Taper Hobbed Gear | Gear Ratio (X:1) - 3.6 :1 | Shaft - Single | Electromagnetic Brake - Equipped | $596.00 |
Add To Cart
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