35
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Dim
ensions
Model number convention
Example: The model number of the set with a DC input micro-step driver and motor model 103F7851-82CXA4 is
composed as follows. This motor is specifi ed as 60mm sq. (2.36inch sq.) and 92mm (3,62inch) long (motor +
gear), single shaft, with low backlash gears.
FA
：
DC input DC24V/48V microstep
-
Stepping motor series name
F
：
F
・
SH series motor
Stepping motor size
52
：
28mm sq. (1.10inch sq.)
78
：
60mm sq. (2.36inch sq.)
55
：
42mm sq. (1.65inch sq.)
85
：
φ
86mm (
φ
3.39inch sq.)
Stepping motor shaft spec
S
：
Single shaft
D
：
Double shaft
Code
Motor size
28mm sq. (1.10inch sq.)
42mm sq. (1.65inch sq.)
60mm sq. (2.36inch sq.)
φ
86mm (
φ
3.39inch )
Motor model
number
Motor length :
mm
（
inch
）
Motor model
number
Motor length :
mm
（
inch
）
Motor model
number
Motor length :
mm
（
inch
）
Motor model
number
Motor length :
mm
（
inch
）
1
SH5281
32 (1.26)
103F5505
34 (1.34)
103F7851
46.5 (1.83)
103F8581
62.15 (2.45)
2
103F5508
40 (1.57)
103F7852
55 (2.17)
103F8582
92.2 (3.63)
3
103F7853
87.5 (3.44)
4
103F5510
49 (1.93)
5
SH5285
51.5 (2.03)
35
1
F
78
S
F A
Stepping motor total length
(This is the standard model case. See the dimensions
page for models with gears and electromagnetic brake.)
CX
CX
：
Low-backlash gear model
GX
：
Spur gear model
HX
：
Harmonic gear model
XB
：
Electromagnetic brake model
Gear ratio
3.6 to 100
3.6
