23x55 Stepper Motor (NEMA Stepper), NEMA ICS 16

The 23x55 stepper motor (NEMA ICS 16): body length 55 mm, body square 56.4 mm, mounting hole spacing 47.146 mm. Available as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 23x55 stepper motor
• Model id: nema-steppers-23x55
• Standard: NEMA ICS 16 · size 23x55

Files

Part key	Simplified
nema-steppers-23x55	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
L	Body length		55		55	nominal	L0 (nom: one source)
BD	Body square		56.4		56.4	nominal	L1
A	Mounting hole spacing		47.146		47.146	nominal	L1
nh	Number of mounting holes		4		4	nominal	L1
dh	Mounting hole diameter		5.207		5.207	nominal	L1
N	Pilot diameter		38.1		38.1	nominal	L1
T	Pilot height	1.524	1.6	3.302	1.6	nominal	L1
D	Shaft diameter		6.35		6.35	nominal	L1
E	Shaft length		21		21	nominal	L1
F	Shaft flat		5.8		5.8	nominal	L0 (nom: one source)
Lf	Flat length		15		15	nominal	L0 (nom: one source)

Drawing

As a PDF: CC-NEMA-SZ-23x55.pdf.

The 23x55 stepper motor beside the 23x41 and the 23x76

The 23x55 is number 14 of the 19 NEMA ICS 16 stepper motors published here, listed from 8x30 to 34x118.

• Body length (L): 55 mm on the 23x55 stepper motor, against 41 mm on the 23x41 and 76 mm on the 23x76.
• Body square (BD): 56.4 mm on the 23x55 stepper motor, the same on the 23x41 and the 23x76.
• Mounting hole spacing (A): 47.146 mm on the 23x55 stepper motor, the same on the 23x41 and the 23x76.
• Number of mounting holes (nh): 4 on the 23x55 stepper motor, the same on the 23x41 and the 23x76.
• Mounting hole diameter (dh): 5.207 mm on the 23x55 stepper motor, the same on the 23x41 and the 23x76.
• Pilot diameter (N): 38.1 mm on the 23x55 stepper motor, the same on the 23x41 and the 23x76.
• Pilot height (T): 1.6 mm on the 23x55 stepper motor, the same on the 23x41 and the 23x76.
• Shaft diameter (D): 6.35 mm on the 23x55 stepper motor, the same on the 23x41 and the 23x76.

Other sizes

• One size smaller: 23x41 Stepper Motor (NEMA Stepper), NEMA ICS 16.
• One size larger: 23x76 Stepper Motor (NEMA Stepper), NEMA ICS 16.

Documents

• CC-NEMA-DS-23x55.pdf: 23x55 datasheet: values with levels, sources
• CC-NEMA-SZ-23x55.pdf: 23x55 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

anaheim-23y, engineersedge-ics16-inch-flanges, engineersedge-ics16-inch-shafts, leadshine-cm-steppers-figures, moons-hybrid-steppers, rule-nema-steppers-hole-spacing, rule-nema-steppers-length. Full citations: the method page and this size's datasheet.

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