Stepper Motor Frame Sizes

Oriental Motor offers a wide range of stepper motor frame sizes and options.

Stepper Motor Frame Size Chart

Frame Size

NEMA 8 stepper motors

NEMA 11 stepper motors

NEMA 14  stepper motors

NEMA 17  stepper motors

NEMA 23 / NEMA 24  stepper motors

NEMA 34 85mm stepper motors

0.79 in.

1.10 in.

1.38 in.

1.65 in.

2.22 in.

2.36 in.

3.35 in.

3.54 in.

20 mm

28 mm

35 mm

42 mm

56.4 mm

60 mm

85 mm

90 mm

NEMA 8

NEMA 11

NEMA 14

NEMA 17

NEMA 23

NEMA 24

NEMA 34

-

Stepper Motor Type (s)

Closed Loop

2-Phase

Closed Loop

2-Phase

5-Phase

2-Phase

Closed Loop

2-Phase

5-Phase

Closed Loop

2-Phase

5-Phase

Closed Loop

2-Phase

5-Phase

Gear Options

-

Spur Gear

Taper Hobbed

Planetary

Harmonic

-

Spur Gear

Taper Hobbed

Planetary

Harmonic

Spur Gear

Taper Hobbed

Planetary

Harmonic

Spur Gear

Taper Hobbed

Planetary

Harmonic

Additional Options

Absolute Mechanical Encoder

Encoder

Absolute Mechanical Encoder

Encoder

Electromagnetic Brake

Encoder

Electromagnetic Brake

Absolute Mechanical Encoder

Encoder

Electromagnetic Brake

Absolute Mechanical Encoder

Encoder

Electromagnetic Brake

Absolute Mechanical Encoder

Encoder

Electromagnetic Brake

Max. Holding Torque

2.8 ~ 5.1 oz-in

7.3 ~ 340 oz-in

28 ~ 52 oz-in

19.8 ~ 4149 oz-in

62 ~ 5664 oz-in

280 ~ 22255 oz-in

0.02 ~ 0.036 N·m

0.052 ~ 2.4 N·m

0.2 ~ 0.37 N·m

0.14 ~ 29.3 N·m

0.44 ~ 40 N·m

2 ~ 157 N·m

Driver Input Voltage

DC

DC

DC

AC or DC

AC or DC

AC or DC

 

*NEMA size equivalent based on motor frame size only.



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