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View larger (SKU): BMG+MOTOR
dual gear Mk8 extruder kit BMG for CR10 CR-10s PRO printer reprap prusa i3 1.75mm drive
In stock

| Unmarked tolerances according to IT14 | ![]() | |
| Basic parameters/mm | Tolerance value | |
| 0-3 | 0.25 | |
| 3-6 | 0.3 | |
| 6-10 | 0.36 | |
| 10-18 | 0.43 | |
| 18-30 | 0.52 | |
| 30-50 | ||
| 17hs4401 stepper motor | |||
| Feature | Specification | Feature | specification |
| Phase | 2 | Step Angle(degrees) | 1.8°±0.09° |
| Rated Voltage | DC 3.6V | Rated Current | DC 1.5A/Phase |
| Phase Resistance(20°) | 2.4*(1±15%)Ω/Phase | Phase Inductance | 3.7*(1±20%)mH/Phase |
| Holding Torque | ≥420mN.m | Positioning Torque | 15 mN.m REF. |
| Rotating direction | A-AB-B Clockwise | Maximum starting rate | ≥1500 PPS |
| Maximum slewing rate | ≥1900 PPS | Insulation resistance | ≥100 MΩ (DC 500V) |
| Electrical strength | AC600V/1mA/1S | Insulation class | B |
Features:
The BMG utilizes an internal gearing ratio of 3:1 together with precision cnc-machined hardened steel drive gears to give you a compact powerhouse for all your applications.Whether you require high resolution prints with small nozzles or high-flow prints with big nozzles the optimized gearing ratio combined with our industry leading drive gears provides unparalleled pushing power and lightning fast retractions in a lightweight and compact package.

