what is the shaft length?

I`m not 100% sure but should be round 19mm

Is this a bipolar stepper?

Yes, you will a good stepper driver to run them

what maximum temperature could this stepper reach without causing damage to the stepper?

I do not know I have had them hot enough that you did not want to put your hands on them for every long and they are still running

Hi guys, i have two questions: what is the rpm of this motor and can i use that in a robot?

I mean, steppers in general don’t have a high rpm. Possibly gear it to fit your needs? You set the rpm via the stepper and controller. You can use anything for everything. How well it works, and if it’s logical, is up to you. If not, a regular dc motor and encoder would work better. Good results require hard work and trial and error. Good luck!

Nema 23 Stepper Motor 2 8a 1 9nm 269oz In

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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€ 88.21

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Description

⚡ Power your precision projects with torque that means business!

HEAVY DUTY BUILD - Solid 8mm shaft and copper windings guarantee durability and consistent performance under load.
COMPACT COMPATIBLE - Sleek 76mm length fits seamlessly into tight CNC mill, lathe, and router setups.
PRECISION POWERHOUSE - Delivers a robust 1.9Nm (269oz.in) torque for smooth, high-torque CNC operations.
ENGINEERED FOR ACCURACY - 1.8° step angle with 5% step accuracy ensures ultra-precise positioning every time.
OPTIMIZED VOLTAGE RANGE - Designed for 24-50VDC with 2.8A rated current, perfect for advanced stepper motor drivers.

The Nema 23 Stepper Motor by HobbyUnlimited is a high-torque, precision-engineered motor featuring 1.9Nm holding torque, a compact 76mm frame, and an 8mm shaft. Ideal for CNC mills, lathes, and routers, it supports 24-50VDC operation with a 2.8A current rating, delivering reliable, accurate motion control for professional-grade machining.

Specifications

ASIN	B07Y81FF3V
Best Sellers Rank	#413,162 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #355 in Electrical Motor Controls
Brand	HobbyUnlimited
Brand Name	HobbyUnlimited
Customer Reviews	4.8 out of 5 stars 99 Reviews
Item Dimensions W x H	2.5"W x 3"H
Item Weight	1.03 Kilograms
Manufacturer	HobbyUnlimited
Material	Copper
Material Type	Copper
Product Dimensions	2.5"W x 3"H
Voltage	36 Volts

Reviews

R**L

19.11.2019

K**D

9.02.2025

D**T

27.03.2020

D**O

20.11.2023

M**R

3.03.2024

J**.

31.12.2023

M**N

9.10.2018

A**J

13.10.2019

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