NEMA 34 86 mm Rotary Stepper Motor
The Size 34 / 86 mm 2-phase hybrid rotary stepper motor provides high-torque rotary positioning with up to 7.0 N·m holding torque.
Encoder options, 86 mm planetary gearbox solutions, power-off brake options, and custom windings are available for OEM applications.
Parameters
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| General Specification | Value |
|---|---|
| Step Angle Accuracy | 1.8° ±5% |
| Resistance Accuracy | ±10% @ 20°C |
| Inductance Accuracy | ±20% @ 1 kHz |
| Insulation Class | B |
| Duty Type | S1 |
| Dielectric Strength | 500 VAC / 1 kHz / 1 mA / 1 s |
| Insulation Resistance | 100 MΩ / 500 VDC |
| Permissible Radial Load | 5 mm Distance | 10 mm Distance | 15 mm Distance | 20 mm Distance |
|---|---|---|---|---|
| Load from Mounting Surface | 600 N | 550 N | 480 N | 390 N |
| Type | Current A RMS | Resistance Ω | Inductance mH | Holding Torque N·m | Holding Torque oz-in | Rotor Inertia g·cm² | Length mm | Mass g |
|---|---|---|---|---|---|---|---|---|
| 34H2060 | 3.0 | 1.0 | 6.0 | 3.0 | 424.8 | 1100 | 60.5 | 1600 |
| 34H2075 | 4.5 | 0.6 | 4.5 | 4.5 | 637.3 | 1800 | 75 | 2100 |
| 34H2098 | 6.0 | 0.5 | 3.5 | 7.0 | 991.3 | 2800 | 96.5 | 2900 |
| Material | Specification |
|---|---|
| End Bell | Aluminum Alloy |
| Bearing | Deep Groove Ball Bearing |
| Magnet | Sintered NdFeB |
| Shaft | Stainless Steel |
| Wiring | UL 3265, 18 AWG |
Dimensional Drawing
Torque Performance Curves
Available Options
Encoder Options
EK3 encoder options are available with single-ended or differential output selections across multiple CPR resolutions.
| Resolution (CPR) | 64 | 100 | 200 | 500 | 1000 | 1800 | 2000 | 2500 | 3600 | 4000 | 5000 | 7200 | 8000 | 10000 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Single-Ended Output Code | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | — | — | — | — | — |
| Differential Output Code | A | B | C | D | E | F | G | H | I | J | K | L | M | — |
86 mm Planetary Gearbox
| Housing | No-Load Backlash | Bearing |
|---|---|---|
| Metal | First stage: 15 arcmin; second stage: 25 arcmin | Ball Bearing |
| Ratio | Rated Torque N·m | Limit Torque N·m | Stages | Efficiency | Length mm | Mass g |
|---|---|---|---|---|---|---|
| 3, 4, 5, 7 | 50 | 100 | 1 | 95% | 89 | 2080 |
| 16, 20, 25, 28, 35, 40, 50 | 80 | 160 | 2 | 90% | 112 | 2830 |
Power-Off Brake
| Parameter | Specification |
|---|---|
| Rated Voltage | DC 24 V ±5% |
| Resistance | 69 Ω ±10% |
| Power | 12 W |
| Holding Torque | >6 N·m |
| Insulation Class | B |
| Insulation Resistance | >100 MΩ at 500 VDC |
| Dielectric Strength | 1000 VAC for 1 second |
| Retraction / Release Time | 50 ms / 50 ms |
| Gyration Gap | 1° |
| Emergency Brake Cycle | 200 cycles |
| Lifetime | 500,000 cycles |
| Noise Level | <60 dB |
Customizations
Mechanical
Mounting configurations, shaft configurations, end machining, NEMA size, length, bearings, lubricants, and dampers.
Electrical
Custom windings, insulation class, voltage and current ratings, cabling, connectors, and driver compatibility.
Feedback & Motion
Encoders, gearboxes, step angles, holding torque, speed targets, and application-specific motion profiles.
Integrated Assemblies
Motor plus encoder, gearbox, brake, or application-specific mounting features.
Downloads
Catalogs
34H2060-300-4AL
34H2060-300-4BL
34H2075-450-4AL
34H2075-450-4BL
34H2098-600-4AL
34H2098-600-4BL
Part Number Builder
34
Motor frame size: Size 34 / 86 mm.
H
Hybrid rotary stepper motor series.
Length
Available motor lengths include 60, 75, and 98 mm nominal series codes.
Current
Standard current codes include 300, 450, and 600.
Leads
Select the required lead count and wiring configuration, including available A/B variations.
Need help selecting or customizing a NEMA 34 rotary stepper motor?
DINGS’ Motion USA can help review holding torque, winding, shaft design, encoder requirements, gearbox integration, brake options, cabling, bearings, clean room needs, and custom mechanical features for your application.