Could this unit control a stepper motor used on a heavy duty telescope mount for star tracking? It would push/pull approx. 30 lbs.

This is a motor, not a controller. It is on or off. Not a stepper motor.

What attaches to the turning part?

The output shaft of these motors are a 6mm D-shaped shaft with a threaded hole. Unfortunately, I don't know the specification for the threaded hole in the shaft Instead, I used a small aluminum hub, also available here on Amazon: https://www.amazon.com/gp/product/B00B887FX8/ref=ppx_yo_dt_b_asin_title_o04_s03?ie=UTF8&psc=1 That hub comes as a set of 2, with set-screws, and a small Allen wrench, but no other hardware. For that hub, I needed to get some #4-40 machine screws. I used 3/8" machine screws for the thickness of the material I mounted to the hub so that the screws would not protrude through the hub and into the motor mount. There are other 6mm hubs available that should work just as well. However, I selected the one listed above because of positive reviews, and in particular, info indicating that this hub uses 2 set screws which makes it more secure. That info was accurate. And I've found that hub fits and works perfectly for my application. I hope this helped.

What is the ratio of input to output? I'm looking for 30:1 or 60:1

This motor has 1:40 ratio and 1:65 ratio. The 1:40 ratio is 210rpm and 1:65 ratio is 90rpm.

Is there a template available to build a mount?

Lowes has some metal L-brackets that fit the bolt pattern perfectly. Coupled with 3mm screws from Lowes, it mounts easily.

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BRINGSMART JGY-370 12V 10rpm DC Worm Gear Motor Self-Lock Electric Motor

Product ID: 60200515

Details

Brand
BRINGSMART
Horsepower
12 hp
Model Name
gear
Speed
10 rpm
Voltage
12 volts

🔥High-temp & abrasion resistance

🔩D-shaped hardened steel output shaft

⚙️All-metal gears for max durability

R737

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Meets Precision: The Ultimate Compact Torque Machine

BUILT FOR IMPACT - D-shaped output shaft crafted from high-hardness steel boosts toughness and extends motor lifespan.
UNMATCHED DURABILITY - All-metal gears engineered to withstand high temperatures and abrasion, ensuring your motor lasts through the toughest tasks.
VERSATILE INSTALLATION - Compact 0.98" x 0.98" footprint fits limited spaces without compromising on power output.
PLUG PLAY FLEXIBILITY - Easily switch motor rotation direction by changing wiring connections—perfect for diverse applications from smart home devices to industrial automation.
PRECISION POWER CONTROL - 12V 10rpm speed with self-locking worm gear design delivers high torque and stable, noise-minimized operation.

The BRINGSMART JGY-370 is a 12V DC worm gear motor featuring all-metal gears and a hardened D-shaped output shaft for exceptional durability and high torque at a steady 10rpm. Its compact size and self-locking design make it ideal for applications requiring reliable, low-noise power in tight spaces, including automation, smart appliances, and industrial equipment.

Specifications

ASIN	B078JHVJYL
Best Sellers Rank	#18,018 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Mechanical Worm Gears
Brand Name	BRINGSMART
Customer Reviews	4.4 4.4 out of 5 stars (284)
Horsepower	12 hp
Item Dimensions W x H	0.98"W x 0.98"H
Item Highlight	BRINGSMART JGY-370 12V 10rpm DC Worm Gear Motor 12 Volt Mini Turbine Worm Reducer Electric Motor Self-locking Geared Motor
Item Weight	169 g
Manufacturer	Hugwit Company
Material Type	Copper
Model	JGY-370
Model Name	gear
Part Number	JGY-370
Speed	10 rpm
UPC	608651617815
Voltage	12 volts

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