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Description
gear motor encoder 520 DC Gear Motor with High-Precision Hall Encoder, 12V, 110/170/320 RPM, 6mm D-Shaped Eccentric Shaft Set of 2 / 1:30Features Wrapped Rear Tail Shell The motor features an wrapped rear tail shell designed to provide robust protection for the PCB circuit and magnetic ring, shielding them from external influences. This design enhances safety and extends the overall service life of the motor. Permanent Magnet Brushed Motor The permanent magnet DC motor offers rapid response, startup torque, and smooth shifting. These features eliminate vibrations during speed changes
Features
Wrapped Rear Tail Shell
The motor features an wrapped rear tail shell designed to provide robust protection for the PCB circuit and magnetic ring, shielding them from external influences. This design enhances safety and extends the overall service life of the motor.
Permanent Magnet Brushed Motor
The permanent magnet DC motor offers rapid response, startup torque, and smooth shifting. These features eliminate vibrations during speed changes from 0 to the maximum, enabling it to handle larger loads during startup.
High-Precision Magnetic Encoder
Equipped with a high-precision magnetic encoder, the motor offers robust power and superior performance compared to a stepper motor. With an AB-phase incremental hall encoder, it delivers high precision, anti-interference, and other advanced features.
Durable Metal Gear
The motor incorporates a full metal gear and metal output shaft, reducing power consumption and extending the motor's service life.
How to Select Right Motor
The line chart below illustrates the relationship between the gear ratio, rotation speed, and torque. This data pertains to scenarios where the inner motor of the geared motor remains unchanged.
What is a Hall Encoder Speed-Ranging Motor
The Hall speed-ranging coded disc is a ranging module that incorporates a hall encoder and a strong-magnetic coded disc. It generates a pulse signal through the AB phase, enabling the detection of the motor's rotation direction and speed.
Dimension Diagram
Wiring Instructions
Robot Project Case
Motor Model Parameters
Specifications
| Item | Specification |
| JGB37-520R20-12 | Ratio: 1:20 No-load speed: 500rpm Rated speed: 390rpm Stall torque: 3.7kg.cm Rated torque: 1kg.cm Stall current: 3.9A Rated current: 0.36A Rated power: about 9W |
| JGB37-520R30-12 | Ratio: 1:30 No-load speed: 320rpm Rated speed: 280rpm Stall torque: 5.8kg.cm Rated torque: 1.2kg.cm Stall current: 3.2A Rated current: 0.36A Rated power: about 7W |
| JGB37-520R60-12 | Ratio: 1:60 No-load speed: 170rpm Rated speed: 146rpm Stall torque: 9.2kg.cm Rated torque: 1.9kg.cm Stall current: 3.2A Rated current: 0.53A Rated power: about 7W |
| JGB37-520R90-12 | Ratio: 1:90 No-load speed: 110rpm Rated speed: 85rpm Stall torque: 15kg.cm Rated torque: 2.6kg.cm Stall current: 3.2A Rated current: 0.36A Rated power: about 8.3W |
| Rated voltage | 12V |
| Encoder type | AB biphase encoder |
| Motor type | Permanent magnet with brush |
| Output shaft | 6mm diameter D type eccentric shaft |
| Encoder voltage | 3.3~5V |
| Number of magnetic ring lines | Line 11 |
| Interface Type | PH2.0-6PIN |
| Function | With built-in pull-up shaping, the microcontroller can directly read signal pulses |
| Single motor weight | 152±1G |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 641 reviews
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Product Reviews
★★★★★ 5
Peanut Butter Bliss for Paws That Love to Gnaw
Flavor Name: Peanut Butter, Size: 2.19 Pound (Pack of 1)
Purina Busy Bone Peanut Butter Chews are like Netflix for your dog—entertaining, long-lasting, and slightly addictive. Made in USA facilities and crafted for small to medium breed adult dogs, this 10-count pouch delivers tail-wagging joy in every bite.
Why It’s a Pup Pleaser:
Peanut Butter Flavor: Irresistible to dogs and smells good enough to make you question your snack choices.
Long-Lasting Chew Time: Keeps your dog busy while you Zoom, nap, or pretend to fold laundry.
Made in USA Facilities: Quality you can trust, with standards that make tails wag and humans nod approvingly.
Real-Life Perks:
Great for dental distraction—helps reduce boredom and plaque with every chomp.
No rawhide, no worries—just a safe, satisfying chew.
Perfect size for small to medium dogs who think they’re large and in charge.
Final Verdict: Busy Bone is the chew that turns your dog into a focused, peanut-butter-loving zen master. Whether you need a moment of peace or just want to treat your furry friend, this pouch packs the kind of joy that only a good chew can deliver.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 24, 2025
★★★★★ 5
Excellent Treats for Small to Medium Dogs!
Flavor Name: Peanut Butter, Size: 2.19 Pound (Pack of 1)
I’ve purchased the Purina Busy Bone, Long Lasting Small/Medium Breed Adult Dog Chews, Peanut Butter Flavor - 10 ct. Pouch several times over the last few months, and they’ve become a staple in our dog’s treat routine! Our three dogs absolutely love them. The peanut butter flavor seems to be a huge hit, and I appreciate that these treats are made in USA facilities—I feel more confident in the quality and safety.
They’re just the right size for small to medium breeds, and they last long enough to keep our pups occupied for a while. Plus, they don’t have that overpowering smell some chews do, and they don’t leave a mess behind, which is a big plus in my book.
Overall, these are a high-quality, tasty, and reliable treat that keeps our dogs happy and busy. Highly recommend for any dog owner looking for a long-lasting chew that’s both delicious and made with care.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2025
★★★★★ 5
Mr. Diggy approves two paws up
Flavor Name: Peanut Butter, Size: 5.25 Pound (Pack of 1), Flavor Name: Peanut Butter, Size: 5.25 Pound (Pack of 1)
These just arrived earlier today, and Mr. Diggy just had one a little while ago. Well, it was gone fast. He is 60 pounds and 14 years old and loves his treats so I make sure I have good ones for him because he can’t have that many. What a nice strong bone and you could smell the peanut butter. He was so excited he took it and went to lay down. He only does that with special things. I feed my dog and cats, Purina pro and I can see since they’ve been eating it that it agrees with them and makes their coats, soft and shiny besides.
That’s why I bought these because they are made by Purina and there’s no rawhide
I bought the larger bone and I’m glad I did. It’s a good size for him. They call him a medium sized dog, but they never tried to pick him up lol I am going to check now and see what other flavors they have although peanut butter is his favorite
Try them I think your dog will like them. Mr. Diggy gives two paws up for these.
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Reviewed in the United States on March 6, 2026
★★★★★ 4
smells good, teething puppy loves gnawing on it as I hold it.
Flavor Name: Peanut Butter, Size: 2.19 Pound (Pack of 1)
I normally don't do treats like this, but my mom had purchased a small pack for my dogs. I was reticent to try it, but with a new puppy I was looking for something for little miss alligator teeth to chomp on that isn't my fingers. It worked out so well (I held it while she gnawed) that I purchased a big pack. While not meant for puppies, it has been working well for her to have something to grind her teeth on. Currently 10 weeks old, 20 lbs (a yellow lab) with super razor sharp teeth that is all about chomping on everything in her path. These slow her down for several minutes. She is blissed out as she works on it. Have to say, these arent super long lasting even with a tiny-ish puppy. But at least the price is good.
We have had the original (pretty much no odor) and these peanut butter ones which even smell good to me! I may consider these again. Be mindful of calories! 343 calories a piece. Be mindful of their serving suggestion based on size of dog. This isnt meant to be a meal, and not meant for daily consumption. More of the rare treat style.
Ingredients
Rice, vegetable glycerin, wheat flour, water, brewers dried yeast, chicken by-product meal, hydrogenated corn syrup, sugar, corn germ meal, beef tallow preserved with mixed-tocopherols, pork, natural and artificial peanut butter flavor, partially hydrogenated vegetable oil, wheat gluten, phosphoric acid, salt, sorbic acid (a preservative), gelatin, calcium propionate (a preservative), BHA (a preservative), BHT (a preservative), calcium carbonate, citric acid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2023
★★★★★ 5
Dogs love these
Flavor Name: Peanut Butter, Size: 5.25 Pound (Pack of 1)
My dogs absolutely love these and it kept them busy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026