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3.54 in. (90 mm) Closed Loop Stepper Motor with Hollow Shaft Flat Gear
The AR Series stepper motor 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 (AC Input) Driver.
- Driver sold separately
- Designed for continuous operation
- Lower heat generation
- Low vibration
- High response
- No hunting
- No gain tuning
Technical Specifications
| Motor Type | Closed Loop |
| Frame Size | 3.54 in |
| Motor Length | 6.97 in. |
| Driver Voltage Input Power | DC |
| Holding Torque | 3952 oz-in |
| Shaft/Gear Type | Hollow Shaft Flat Gear |
| Gear Ratio (X:1) | 20 :1 |
| Backlash | 0.5º or less (reference value) |
| Shaft | Single |
| Electromagnetic Brake | Equipped |
| Cable Direction | Down |
| Resolution (Resolution Setting: 1000 P/R) | 0.018 °/Pulse |
| Permissible Speed Range (r/min) | 0 ~ 100 |
| Rotor Inertia | 6.7 oz-in² |
| RoHS Compliant | These products do not contain substances that exceed the regulation values in the RoHS Directive. |
| Safety Standards | UL |
| CE Marking | EMC Directives |
| Insulation Class | Class B [130ºC (266ºF)] |
| Insulation resistance | 100 MΩ or more when 500 VDC megger is applied between the following places:Case - Motor and sensor windingsCase - Electromagnetic brake windings |
| Dielectric strength | Sufficient to withstand the following for 1 minute:Case - Motor and sensor windings 1.0 kVAC 50 Hz or 60 HzCase - Electromagnetic brake windings 1.0 kVAC 50 Hz or 60 Hz |
| Ambient Temperature | 0 ~ 50ºC (32 ~ 122ºF) (non-freezing) (when a heat sink of a capacity at least equivalent to an aluminum plate with a size of 3.94 x 3.94 in., 0.24 in. thick is installed.) |
| Ambient Humidity | 85% or less (Non-condensing) |
| Operating Atmosphere | No corrosive gases, dust water or oil |
| Degree of Protection | IP65 (excluding the mounting surface and connector) |
| Permissible Overhung Load | 0.39 in. from Shaft End = 292 lb |
| Permissible Thrust Load | 112 lb |
| Brake Type | Active when the power is off |
| Brake Power Supply | 24 VDC±5%, 0.3A |
| Power consumption | 6W |
| Excitation Current | 0.25A |
Why Proax for Oriental Motor ARM98MK-FR20?
Proax is the authorized distributor of Oriental Motor ARM98MK-FR20. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Alternate Names | ARM98MKFR20 |
| Pack Size | 1 |
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