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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.
Contact Person :
Nora
WhatsApp :
+8618661153149
42mm 12v 2 Phase 4 Wire Stepper Motor Planetary Gearbox 4.4 Kg Cm 1.78 N M
Product Details
Product Name | Stepping Gearbox Motor | Step Accuracy | ± 5% |
---|---|---|---|
Temperature Rise | 80 ℃ Max | Insulation Resistance | 100MΩ Min.500VC DC |
Ambient Temperature | -20℃~+50℃ | Dielectric Strength | 500VAC 1 Minute |
HOLDING TORQUE | 4.4 Kg.cm | Housing Material | Powder Metallurgy |
Bearing At Output | Sleeve Bearing | IP Level | IP40 |
High Light | 4 Wire two phase stepper motor 1.78 N M,42mm stepper motor Planetary Gearbox 1.78 N M,12v dc stepper motor 4.4 Kg Cm 1.78 N M |
Product Description
42BYGH835-09AG117 Powder metallurgy planetary gearbox stepper motor 4.4 kg.cm sleeve bearing
Model | Size | Weight(g) | Phase | Current/phase | Voltage | Torque n.m |
42BYGH835-07AG5 | 42*42*72.5 mm | 485 | 2 | 0.5 | 12 | 1.78 |
42BYGH835-08AG16 | 42*42*80.1 mm | 513 | 2 | 0.5 | 12 | 2.5 |
42BYGH835-10AG54 | 42*42*107.8 mm | 607 | 2 | 0.5 | 12 | 8.0 |
42BYGH835-09AG117 | 42*42*89.6 mm | 553 | 2 | 0.5 | 12 | 2.5 |
Electrical Specification
42BYGH835-09AG117 | ||
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

Mechanical Dimension

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
When it comes to quality aspects, Hetai was qualified by ISO Certificate, CE, and Rohs. The product quality has also been recognized by many customers.
Hetai is also proud of its research and develop strength. With the support of professional laboratory and experienced technicians, Hetai gained 13 Utility Patents and high-tech enterprise Award as well as other awards during the years.
Hetai is also proud of its research and develop strength. With the support of professional laboratory and experienced technicians, Hetai gained 13 Utility Patents and high-tech enterprise Award as well as other awards during the years.


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