3.3  External Dimensions
3-25
3
Specications, Ratings, and External Dimensions of SGM7D Servomotors
 SGM7D-06J
• Servomotors with the Cable on the Bottom
*1. The shaded section indicates the rotating parts.
*2. The precision depends on the option specification. Refer to the following section for details.
3.2.1 Specifications on page 3-3
Note: Values in parentheses are reference dimensions.
 SGM7D-09J, -18J, -20J, and -38J
• Servomotors with the Cable on the Bottom
*1. The shaded section indicates the rotating parts.
*2. The precision depends on the option specifica-
tion. Refer to the following section for details.
3.2.1 Specifications on page 3-3
Note: Values in parentheses are reference dimensions.
 Connector Specifications
• Servomotor Connector
Models
• Plug: 350779-1
• Pins: 350218-3 or 350547-3 (No.1 to 3)
• Ground pin: 350654-1 or 350669-1 (No. 4)
Manufacturer: Tyco Electronics Japan G.K.
Mating Connector
• Cap: 350780-1
• Socket: 350536-3 or 350550-3
• Encoder Connector
* Only absolute-value models with multiturn data.
Model: 55102-0600
Manufacturer: Molex Japan LLC
Mating connector: 54280-0609
*
2
*
1
*
2
(35)
300 ±50
3 ±0.23.4 ±0.5
(37)(37)
46.3
6 × M6 × 12 
(Divided into equal 
sections at 60°.)
72 ±0.2 dia.
145 dia.
145 dia.
(56 dia.) hole
120      dia.
-0.02
-0.06
86      dia.
-0.02
-0.05
85 ±1
Fixed part
6 × M5 × 5 
(Divided into equal 
sections at 60°.)
CW 
direction
CCW 
direction
Coated surface
Unit: mm
Approx. mass: 6 kg
130 ±0.2 dia.
Rotating 
part
*2
*2
300 ±50
(35)
(37)(37)
L
6.5
+2
0
4 ±0.2
*1
62
6 × M6 × 9 
(Divided into equal sections at 60°.)
72 ±0.2 dia.
86      dia.
-0.02
-0.05
120       dia.
-0.02
-0.06
145 dia.
150 dia.
(56 dia.) hole
Fixed part
130 ±0.2 dia.
6 × M6 × 12 
(Divided into equal sections at 60°.)
Coated 
surface
Unit: mm
CW 
direction
CCW 
direction
Rotating 
part
Model SGM7D- L Approx. Mass [kg]
09J
C5
123 ±1 8.0
18J
C5
151 ±1 11.0
20J
C5
179 ±1 13.0
38J
C5
207 ±1 15.5
1 Phase U Red
2 Phase V Gray
3 Phase W Blue
4 FG (frame ground)
Green (yellow)
1 PG5V
2 PG0V
3* BAT
4* BAT0
5 PS
6 /PS
Connector 
c
ase
FG 
(frame ground)