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STEPPERONLINE will be on Labor Day holiday from 1 to 5 May 2024. During that time, the warehouse in China will stop shipment until 6 May. while others are as usual.

Part Number of Linear Stepper Motor

Part Numbering of Linear Motors

Each linear motor has a unique catalog number to facilitate parts identification for identifying and reordering.

The following chart is intended as a quick reference for identifying a motor's type, dimensions and lead screw legnth, etc.


① Motor Size Code[NEMA] 6 8 11 14 17 23 24 34
Size[mm] 14x14 20x20 28x28 35x35 42x42 57x57 60x60 86x86
② Linear Actuator Type E = External Linear Actuator
N = Non-Captive Linear Actuator
C = Electric Cylinder (Captive) Linear Actuator
③ Motor Length XX = X.Xinch, eg. 15=1.5inch
④ Step Angle S = 1.8°
M = 0.9°
⑤ Rated Current / Phase XXX = X.XX [A]/Phase, eg. 200=2.0A
⑥ Number of Lead Wires 4 = 4 Flying Leads
6 = 6 Flying Leads
8 = 8 Flying Leads
⑦ Ball Screw B is Ball Screw, none is Trapezoidal Screw
⑧ Lead Screw/Ball Screw Code Please see below lead screw code selection table individually
⑨ Lead Screw Length XXX = XXXmm Lead Screw Length
⑩ Thread Direction R = Right
L= Left
⑪ Nut Style S = Standard Flange Nut [External Linear Actuator]
A = Anti-Backlash Nut [External Linear / Non-Captive Linear]
B = Brass Nut
D = Brass Anti-Backlash Nut
⑫ Encoder Option OE = Optical Encoder, 1K=1000PPR(4000CPR)
ME = Magnetic Encoder, 1K=1000PPR(4000CPR)
P = Manual Knob
B = Brake
X = Rear Shaft
R = Encoder Ready
⑬ Custom Motor CX=Custom Code, [X stands for number, numbered from 1, according to sequence] Order Here

Lead Screw Code