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Rod S****I purchased the 3-pack of the smaller steppers for my current ender 3 pro project. For my applications, they work perfectly. It's a great deal for quality motors, and I'm going to purchase another 10 packs.
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Sam N***These are great motors and they are very strong. They are operating quietly, and also need them to release their hold every time a move is complete.
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Jim S**Please develop more low noise gearbox and with better prices, so we can sell your products to more clients and gain larger markets. Thank you.
8 nm 1.8 Deg Two Phase Gearbox Stepping Motor Low Speed Reduction Ratio 1 16

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xProduct Name | Stepping Gearbox Motor | Step Accuracy | ± 5% |
---|---|---|---|
Insulation Resistance | 100MΩ Min.500VC DC | Dielectric Strength | 500VAC 1 Minute |
Ambient Temperature | -20℃~+50℃ | Temperature Rise | 80 ℃ Max |
Radial Load(10mm From Flange) | ≤120N | Shaft Axial Load | ≤80N |
Highlight | stepper motor low rpm,1.8 Deg stepper motor,8nm stepper motor |
42BYGH835-08ag16 Insulation Class B Stepping Motor Low-Speed Stable Performance Planetary Gearbox
Model | Reduction Ratio | Weight(g) | Phase | Step Angle | Step Angle Accuracy | Torque n.m |
42BYGH835-07AG5 | 1:5 | 485 | 2 | 1.8 ° | ±5% | 1.78 |
42BYGH835-08AG16 | 1:16 | 513 | 2.5 | |||
42BYGH835-10AG54 | 1:54 | 607 | 8 | |||
42BYGH835-09AG117 | 1:117 | 553 | 2.5 |
Electrical Specification
42BYGH835-08AG16 | ||
STEP ANGLE | °/STEP | 1.8 |
RATED VOLTAGE | V | 12 |
CURRENT | A/PHASE | 0.5 |
RESISTANCE | Ω/PHASE | 24 |
INDUCTANCE | mH/PHASE | 36 |
HOLDING TORQUE | Kg.cm | 4.4 |
INSULATION CLASS | B |
*Products can be customized by special request.
Wiring Diagram


GEARBOX Electrical Specification
Out diameter 36mm Powder metallurgy
Housing material | Bearing at output | Radial load(10mm from flange)N | Shaft axial load(N) | Shaft press-fit force max(N) | Radial play of shaft(mm) | Thrust play of shaft(mm) | Backlash at no-load (°) |
Powder metallurgy | sleeve bearing | ≤120 | ≤80 | ≤500 | ≤0.03 | ≤0.1 | ≤1.5 |
Reduction ratio | Rated tolerance torque (Nm) | Max momentary tolerance torque (Nm) | Efficiency% | Length (mm) | Weight(g) | Number of gear trains |
1/4 | 0.3 | 1.0 | 81% | 24.8 | 145 | 1 |
1/5 | ||||||
1/16 | 1.2 | 3.5 | 72% | 32.4 | 173 | 2 |
1/20 | ||||||
1/25 | ||||||
1/53 | 2.5 | 7.5 | 65% | 41.9 | 213 | 3 |
1/62 | ||||||
1/76 | ||||||
1/94 | ||||||
1/117 |
Mechanical Dimension
