The spec sheet says 3.2 vdc, is this right since some say they are hitting it with 24vdc.

I don't know about 24V but personally I run it at 12V and it runs fine. Where do you find a driver with 3.2 VDC anyway?

does it work with MB450A Driver?

Yes, that is the driver I use with thi s motor.

I'm not sure. Steppers are more usually used for precise movements than for speed, and the maximum speed most mostly reflects the maximum frequency and minimum microstep ratio of the driver. I doubt it exceeds 1000 rpm, if that high.

I am planning on using this to move 100 lbs down a rack pinion track while supporting the weight with bearing carriages on rails. Will this do that?

You need to know your desired maximum acceleration, static and dynamic friction and gear ratio. Or find some way of estimating it from similar applications you can find data for, or ask on reddit :)

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STEPPERONLINE CNC Stepper Motor Nema 23 Bipolar 2.8A 269oz.in/1.9Nm CNC Mill Lathe Router

Product ID: 11150157

Details

Brand
STEPPERONLINE
Horsepower
1.13 hp
Product Dimensions
2.26"W x
Speed
200 rpm
Voltage
3.2 volts

📏6.35mm single shaft diameter

🔄1.8° step angle (200 steps/rev)

⚙️1.9Nm holding torque

AR$151402

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Step up your CNC game with precision power that professionals trust!

COMPACT YET MIGHTY - Designed with a sleek NEMA 23 frame (57x57mm) and a sturdy 6.35mm shaft, this motor fits perfectly into your professional-grade CNC setup.
PLUG PLAY CONFIDENCE - 4-wire bipolar design compatible with chopper drives, making integration seamless and protecting your investment from electrical mishaps.
PRECISION IN EVERY STEP - Experience ultra-smooth motion with a fine 1.8° step angle, delivering 200 precise steps per revolution for flawless CNC control.
POWER THAT MOVES MOUNTAINS - Crank up your projects with a robust 1.9Nm (269oz.in) holding torque, ensuring your mill, lathe, or router never misses a beat.
OPTIMIZED CURRENT EFFICIENCY - Rated at 2.8A with 1.13Ω resistance, it balances power and thermal management for reliable, long-lasting performance.

The STEPPERONLINE NEMA 23 Bipolar Stepper Motor delivers industry-grade precision with a 1.8° step angle and a strong 1.9Nm holding torque. Its compact 57x57mm frame and 6.35mm shaft diameter make it ideal for CNC mills, lathes, and routers. Rated at 2.8A per phase with low resistance, it ensures efficient, reliable operation when paired with a compatible chopper drive controller. Perfect for professionals seeking dependable, high-performance motion control.

Specifications

ASIN	B00PNEPI0A
Best Sellers Rank	#256,136 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #164 in Electrical Motor Controls #24,702 in Camera & Photo Accessories
Brand Name	STEPPERONLINE
Customer Reviews	4.7 4.7 out of 5 stars (304)
Horsepower	1.13 hp
Item Dimensions W x H	2.26"W x 3.88"H
Item Weight	2.3 pounds
Manufacturer	STEPPERONLINE
Material Type	Alloy Steel, Aluminum, Copper, Metal
Model	23HS30-2804S
Part Number	23HS30-2804S
Shaft Diameter	6.35 millimeters
Speed	200 rpm
UPC	701056324644 714485506079 714485613890
Voltage	3.2 volts

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