20Pcs 6V 12V Brush DC Gear Motor Reduction DC Motor 3kg.cm 24.4*30.8 mm

Model GM25-370CA is a compact DC gear motor delivering torque up to 0.5 Nm. It supports multiple reduction ratios and is compatible with an encoder (11 PPR).

Features:
Compact DC geared motor;
Output torque: up to 0.5 Nm;
Available reduction ratios: 4:1, 10:1, 21:1, 34:1, 45:1, 47:1, 78:1, 103:1, 130:1, 172:1, 227:1, 378:1, 499:1;
Encoder compatible (11 PPR);
Rotation direction: CW/CCW;

Electrical Specifications:
Model: GM25-370CA
Operating voltage: 6 V / 12 VDC;
Rated torque: 3.0 kg·cm (0.294 Nm);
Maximum momentary torque: 6.0 kg·cm (0.588 Nm);
Rated current: 320 mA (6 V) / 170 mA (12 V);
No‑load speed (without gearbox): 5600 rpm (6 V) / 5600 rpm (12 V);
Rated speed (without gearbox): 4870 rpm (6 V) / 4850 rpm (12 V);
No‑load speed (gearbox output): 11‑1350 rpm;
Rated speed (gearbox output): 10‑1212 rpm;
Rated power: 1.25 W (6 V) / 1.24 W (12 V);
Gear type: Spur gearbox;
Motor type: Brushed DC;
Axial play: 0.05‑0.5 mm;
Efficiency: 80‑90 %;
Noise level: 40‑50 dB (measured at 30 cm);


Mechanical Specifications:
Motor dimensions: Φ24.4 mm × 30.8 mm
Gearbox length options: 17 mm, 19 mm, 21 mm, 23 mm, 25 mm, 27 mm
Flange diameter: Φ25 mm
Shaft type: D‑cut
D‑cut diameter: 3.5 mm
D‑cut length: 8 mm
Shaft length: 9.5 mm
Shaft diameter: 4 mm
Weight: 95g;

Applications
Marine equipment, automotive accessories, electric bicycles, home appliances, and industrial equipment.