Specification	23KM-K744B

Coil Resistance	2.3 Ohms
Coil Type	Bipolar
Current Rating (Amps)	2 A
Diameter - Shaft [diameter]	0.25 in
Diameter - Shaft [diameter]	6.35 mm
Features	Round Shaft
Length - Shaft and Bearing	20.64 mm
Length - Shaft and Bearing [x]	0.813 in
Mounting Hole Spacing [custom]	1.856 in
Mounting Hole Spacing [custom]	47.14 mm
NEMA Frame Size	23
Rotor Inertia	360 gcm²
Size / Dimension	56.4 mm
Size / Dimension [x]	2.22 "
Size / Dimension [y]	2.22 "
Step Angle	1.8 °
Steps per Revolution	200
Termination Style	Connector
Torque - Holding (oz-in / mNm)	1200 mNm
Torque - Holding (oz-in / mNm)	169.96 oz-in
Type	Hybrid
Voltage - Rated	24 VDC
Weight [custom]	2.3 lbs
Weight [custom]	1 kg

23KM Series

Part	Rotor Inertia	Weight [custom]	Weight [custom]	Type	Features	Steps per Revolution	Diameter - Shaft [diameter]	Diameter - Shaft [diameter]	NEMA Frame Size	Length - Shaft and Bearing [x]	Length - Shaft and Bearing	Mounting Hole Spacing [custom]	Mounting Hole Spacing [custom]	Coil Type	Coil Resistance	Step Angle	Voltage - Rated	Torque - Holding (oz-in / mNm)	Torque - Holding (oz-in / mNm)	Size / Dimension	Size / Dimension [y]	Size / Dimension [x]	Termination Style	Current Rating (Amps)	Length - Shaft and Bearing [x]	Operating Temperature [Max]	Operating Temperature [Min]	Accuracy	Weight	Weight	Torque - Holding (oz-in / mNm)
NMB TECHNOLOGIES 23KM-K055U	200 gcm˛	680.4 g	1.5 lbs	Hybrid	Round Shaft	200	0.25 in	6.35 mm	23	0.813 in	20.64 mm	1.856 in	47.14 mm	Unipolar	3.3 Ohms	1.8 °	24 VDC	760 mNm	107.64 oz-in	56.4 mm	2.22 "	2.22 "	Connector	1.5 A
NMB TECHNOLOGIES 23KM-K049-00V				Hybrid	Flatted Shaft	200	0.25 in	6.35 mm	23	0.984 in		1.856 in	47.14 mm	Unipolar	1.7 Ohms	1.8 °	24 VDC	900 mNm	127.47 oz-in	56.4 mm	2.22 "	2.22 "		2 A	25 mm	50 °C	-10 °C	5 %
NMB TECHNOLOGIES 23KM-K255-UPV	120 gcm˛			Hybrid	Round Shaft	200	0.25 in	6.35 mm	23	0.813 in	20.64 mm	1.856 in	47.14 mm	Unipolar	2.3 Ohms	1.8 °	24 VDC	420 mNm	59.48 oz-in	56.4 mm	2.22 "	2.22 "	Connector	1.5 A					1.1 lbs	499 g
NMB TECHNOLOGIES 23KM-K066-00V	200 gcm˛	680.4 g	1.5 lbs	Hybrid	Flatted Shaft	200	0.25 in	6.35 mm	23	0.984 in		1.856 in	47.14 mm	Unipolar	7 Ohms	1.8 1.8 °	24 VDC	900 mNm	127.47 oz-in	56.4 mm	2.22 "	2.22 "		1 A	25 mm	50 °C	-10 °C	5 % 5 %
NMB TECHNOLOGIES 23KM-K762-99V				Hybrid Dual Shaft	Flatted Shaft	200	0.25 in	6.35 mm	23	0.984 in		1.856 in	47.14 mm	Unipolar	8.6 Ohms	1.8 °	24 VDC	198.28 oz-in		56.4 mm	2.22 "	2.22 "		1 A	25 mm	50 °C	-10 °C	5 %			1400 mNm
NMB TECHNOLOGIES 23KM-K744B	360 gcm²	1 kg	2.3 lbs	Hybrid	Round Shaft	200	0.25 in	6.35 mm	23	0.813 in	20.64 mm	1.856 in	47.14 mm	Bipolar	2.3 Ohms	1.8 °	24 VDC	1200 mNm	169.96 oz-in	56.4 mm	2.22 "	2.22 "	Connector	2 A
NMB TECHNOLOGIES 23KM-K249BT04CA				Hybrid	Flatted Shaft	200	0.315 in	8 mm	23	0.551 in		1.856 in	47.14 mm	Bipolar	2.4 Ohms	1.8 °	24 VDC	76.5 oz-in 540 mNm		56.4 mm	2.22 "	2.22 "	Wire Leads		14 mm			5 %	1.1 lbs	499 g
NMB TECHNOLOGIES 23KM-K755U	360 gcm²	1 kg	2.3 lbs	Hybrid	Round Shaft	200	0.25 in	6.35 mm	23	0.813 in	20.64 mm	1.856 in	47.14 mm	Unipolar	4.6 Ohms	1.8 °	24 VDC	1200 mNm	169.96 oz-in	56.4 mm	2.22 "	2.22 "	Connector	1.5 A
NMB TECHNOLOGIES 23KM-K251-00V	120 gcm˛			Hybrid	Flatted Shaft	200	0.25 in	6.35 mm	23	0.984 in		1.856 in	47.14 mm	Unipolar	1.5 Ohms	1.8 °	24 VDC	480 mNm	67.98 oz-in	56.4 mm	2.22 "	2.22 "		1.8 A	25 mm	50 °C	-10 °C	5 %	1 lbs	453.59 g
NMB TECHNOLOGIES 23KM-K044-99V	200 gcm˛	680.4 g	1.5 lbs	Hybrid Dual Shaft	Flatted Shaft	200	0.25 in	6.35 mm	23	0.984 in		1.856 in	47.14 mm	Unipolar	0.85 Ohms	1.8 °	24 VDC	900 mNm	127.47 oz-in	56.4 mm	2.22 "	2.22 "		3 A	25 mm	50 °C	-10 °C	5 %

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	10	$ 46.66

Description

General part information

23KM Series

Bipolar Stepper Motor Hybrid Frame Size 23 200.0 Step 2 A 24VDC

Documents

Technical documentation and resources