PololuPololu· Mechanical Components
99:1 Metal Gearmotor 25Dx69L mm HP 12V with 48 CPR Encoder
Manufacturer part no. 4847
$56.95≈ 49.46 €
In stock — 95 units
- origin China
- RoHS3
Estimated landed cost
| Item | €49.46 |
|---|---|
| Shipping | €25.00 |
| VAT (20%) | €14.89 |
| Total delivered | €89.35 |
Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.
Volume pricing
| Qty | Unit price | Saving |
|---|---|---|
| ≥ 1 | $56.95 | |
| ≥ 5 | $52.39 | −8 % |
| ≥ 25 | $48.20 | −15 % |
| ≥ 100 | $44.35 | −22 % |
Specifications (automatically extracted)
Electrical
| Current max. | 0.94 A |
| Voltage | 12 V |
Mechanical
| Torque max. | 4.5 kg·cm |
| Weight | 104 g |
Other characteristics
| Lead length | 8 in |
| Max efficiency 12v | 36 % |
| No load current 12v | 0.3 A |
| No load speed 12v | 100 rpm |
| No load speed 6v | 50 rpm |
| Output power at max efficiency | 4 W |
| Shaft diameter | 4 mm |
| Speed at max efficiency | 87 rpm |
| Stall current 12v | 5 A |
| Stall current 6v |
Description
This gearmotor consists of a high-power, 12 V brushed DC motor combined with a 98.78:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 4741.44 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox. This gearmotor is also available without an encoder. Key specifications:
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