This gearmotor is a powerful 12V brushed DC motor with a 50:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 3200 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 12 V | 200 RPM, 200 mA | 21 kg⋅cm (290 oz⋅in), 5.5 A |
Dimensions
 |
|
Dimensions of the 37D metal gearmotors with 64 CPR encoders. Units are mm over [inches]. |
|---|
| Size: | 37D × 70L mm1 |
|---|---|
| Weight: | 205 g |
| Shaft diameter: | 6 mm2 |
General specifications
| Gear ratio: | 50:1 |
|---|---|
| No-load speed @ 12V: | 200 rpm |
| No-load current @ 12V: | 0.2 A |
| Stall current @ 12V: | 5.5 A3 |
| Stall torque @ 12V: | 21 kg·cm3 |
| Max output power @ 12V: | 10 W |
| No-load speed @ 6V: | 100 rpm4 |
| No-load current @ 6V: | 0.15 A4 |
| Stall current @ 6V: | 3.0 A4 |
| Stall torque @ 6V: | 12 kg·cm4 |
| Motor type: | 12V |
Performance at maximum efficiency
| Max efficiency @ 12V: | 51 % |
|---|---|
| Speed at max efficiency: | 180 rpm |
| Torque at max efficiency: | 2.2 kg·cm |
| Current at max efficiency: | 0.66 A |
| Output power at max efficiency: | 4.0 W |
General specifications
| Lead length: | 20 cm5 |
|---|---|
| Encoders?: | Y |
| Encoder resolution: | 64 CPR |
Notes:
- 1. Length measurement is from gearbox face plate to back of encoder cap (it does not include the output shaft). See dimension diagram for details.
- 2. D shaft.
- 3. Stalling is likely to damage the gearmotor. Stall parameters come from a theoretical extrapolation of performance at loads far from stall. As the motor heats up, as happens as it approaches an actual stall, the stall torque and current decrease.
- 4. This motor will run at 6 V but is intended for operation at 12 V.
- 5. May vary by a few centimeters.
Fast Shipping & Professional Packing
We offer a broad range of shipping options owing to our long-running partnerships with UPS, FedEx and DHL. Our warehouse personnel are expertly trained and will wrap your items according to our exact and precise specifications. Your products will be subjected to an exhaustive examination before they will be properly packaged prior to being delivered. Everyday, we send to thousands of clients in multiple countries. This shows our commitment to be the largest online retailer in the world. We have distribution centers as well as warehouses in Europe as well as the USA.
Note: Orders that contain more than one product will be assigned a distinct processing time dependent on the particular item.
We will inspect each and every one of the products before they are shipped. The majority of orders are shipped within 48 hours. The delivery time will be between 3-7 working days.
Returns
The inventory is always changing, and not fully managed by us because of the involvement of many parties including the factory and our warehouse. The stock can change at any moment. Please be aware that it's possible for your order to be out of stock after you have made the order.
Our policy is valid for a period of 30 days. If 30 days have passed in the past since you purchased and we are unable to offer you a return or exchange.
To be eligible for a refund, your product must be unopened and in the same condition as you received it in. It must also be returned in its original packaging.
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