Planetary gearbox D323
Specification
D323 Mini Metal Planetary Gearbox | High Precision Low Backlash Reducer
I.CH D323 planetary gearbox adopts full metal housing with sleeve/ball bearing options. It covers 15 reduction ratios from 1/4 to 1/939, delivering max 36 Kg.cm momentary torque and ≤3° low backlash. Compact lightweight design features strong radial & axial load capacity and stable transmission efficiency. Perfect for robotics, small automation and precision equipment. Custom pinion bore sizes and bulk order support available.
| Housing material | Bearing at output | Radial load (10mm from flange) | Shaft axial load | Shaft press fit force,max. | Radial play of shaft | Thrust play of shaft | Backlash at no-load |
| Metal | Sleeve bearings | ≤3Kgf | ≤2.5Kgf | ≤10Kgf | ≤0.08mm | ≤0.3mm | ≤3° |
| Metal | Ball bearings | ≤3.5Kgf | ≤2.5Kgf | ≤10Kgf | ≤0.05mm | ≤0.3mm | ≤3° |
Pinion Specifications
| Module | No. of teeth | Pressure angle | Hole diameter | Reduction ratio. |
| 0.5 | 11 | 20° | 2.28，2.48，2.98，3.16 | 1/5,1/19,1/27,1/71,1/100,1/139,1/264,1/516,1/721 |
| 0.5 | 17 | 20° | 2.28，2.48，2.98，3.16 | 1/4,1/14,1/51,1/189 |
| 0.5 | 8 | 20° | 2.28 | 1/35,1/939 |
Gearbox Description
| Reduction ratio | 1/4 | 1/5 | 1/14 | 1/19 | 1/27 | 1/35 | 1/51 | 1/71 | 1/100 | 1/139 | 1/189 | 1/264 | 1/516 | 1/721 | 1/939 |
| Rated tolerance torque (Kg.cm ) | 2.0 | 2.0 | 4.0 | 4.0 | 6.0 | 6.0 | 8.0 | 8.0 | 10.0 | 10.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Max momentary tolerance torque (Kg.cm ) | 6.0 | 6.0 | 12.0 | 12.0 | 18.0 | 18.0 | 24.0 | 24.0 | 30.0 | 30.0 | 36.0 | 36.0 | 36.0 | 36.0 | 36.0 |
| Efficiency | 80% | 80% | 70% | 70% | 70% | 70% | 60% | 60% | 60% | 60% | 50% | 50% | 50% | 50% | 50% |
| Length（L-mm） | 20.6 | 20.6 | 27.0 | 27.0 | 27.0 | 27.0 | 33.4 | 33.4 | 33.4 | 33.4 | 39.8 | 39.8 | 39.8 | 39.8 | 39.8 |
| Weight（g） | 102 | 102 | 122 | 122 | 122 | 122 | 147 | 147 | 147 | 147 | 173 | 173 | 173 | 173 | 173 |