20Pcs 12V 24V Brushed DC Gear Motor Reduction DC Motor 8kg.cm 34.5*30.8mm
Features:
37mm DC gear motor
Rated torque: 8.0kg·cm (0.8Nm)
Max momentary torque: 15.0kg·cm
Spur gearbox
Encoder compatible: 11ppr;
Reduction ratio stages:
-2 stages: 6:1, 10:1
-3 stages: 19:1, 30:1
-4 stages: 44:1, 56:1, 90:1
-5 stages: 131:1, 169:1
-6 stages: 506:1, 810:1
Rated voltage: 12/24VDC
Rated current: 320mA (12V) / 180mA (24V)
No-load current: 50mA
No-load speed (without gearbox): 5000RPM (12V) / 5600RPM (24V)
Rated speed (without gearbox): 4300RPM (12V) / 4850RPM (24V)
No-load speed (with gearbox): 6–870RPM
Rated speed (with gearbox): 5–780RPM
Rated power: 1.8W (6V) / 2.0W (12V)
Motor type: Brushed
Gear type: Spur gearbox
Efficiency: 65%
Noise level: 40–50 dB at 30cm
Rotation direction: CW/CCW;
Physical Specifications:
Motor diameter: Φ34.5mm
Motor length: 30.8mm
Gearbox length: 19mm / 21.5mm / 24mm / 26.5mm / 29mm
Flange diameter: Φ37mm
Shaft length: 15mm
Shaft diameter: 6mm
Shaft type: D-cut
D-cut length: 12mm
D-cut diameter: 5.5mm
Weight: 200g;
Applications:
Boats, cars, electric bicycles, home appliances, locks, robots.


| Physical Specification | |
|---|---|
| Frame Size(mm) | Φ37 |
| Shaft Diameter(mm) | 6 |
| Shaft Length(mm) | 15 |
| Weight(g) | 200 |
| Gearbox Type | Spur gearbox |
| Body Length(mm) | 30.8 |
| Gearbox Length(mm) | 19 / 21.5 / 24 / 26.5 / 29 |
| Gear Ratio | 6:1 / 10:1 / 30:1 / 44:1 / 56:1 / 90:1 / 169:1 / 270:1 / 506:1 / 810:1 |
| Shaft Type | D-Cut |
| Single Shaft/Dual Shaft | Single Shaft |
| Electrical Specification | |
| Rated Power(W) | 1.8 / 2 |
| Rated Voltage(V) | 12 / 24 |
| Rated Torque(kg.cm) | 8 |
| Rated Speed(rpm) | 5-780 |
| Rated Current (A) | 0.32 / 0.18 |







