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Mitsubishi HG-KR User Manual

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8. HG-JR SERIES 
8 -  20 
 
8.5 Servo motors with special shafts 
The servo motors with special shafts indicated by the symbol (K) in the table are available. K is the symbol 
attached to the servo motor model names. 
 
Servo motor 
Shaft shape 
Key shaft (without key) 
HG-JR_(4)(B)K K 
 
Variable 
dimension 
table 
       
[Unit: 
mm]
Servo motor 
Variable dimensions 
Figure 
S R Q W QK 
QL U  r  Y 
HG-JR53(4)(B)K 
HG-JR73(4)(B)K 
HG-JR103(4)(B)K 
HG-JR153(4)(B)K 
HG-JR203(4)(B)K 
16h6 40  30 5
0
-0.030
 
25 2 
3
+0.1
0
 
2.5 
M4 
screw hole 
depth 15 
A 
HG-JR353(4)(B)K 
HG-JR503(4)(B)K 
28h6 55  50 8
0
-0.036
 
36 5 
4
+0.2
0
 
4 
M8 
screw hole 
depth 20 
HG-JR703(4)(B)K 
HG-JR903(4)(B)K 
35
+0.010
0
 
79 75 
10
0
-0.036
55 5 
5
+0.2
0
 
5 
M8 
screw hole 
depth 20 
HG-JR601(4)(B)K 
HG-JR701M(4)(B)K 
42h6 85  79 12
0
-0.040
 
70 5 
5
+0.2
0
 
6 
M8 
screw hole 
depth 19.8
HG-JR801(4)(B)K 
HG-JR12K1(4)(B)K 
HG-JR11K1M(4)(B)K 
HG-JR15K1M(4)(B)K 
55m6 116  110 16
0
-0.040
 
90 5 
6
+0.2
0
 
8 
M10 
screw hole 
depth 27 
HG-JR15K1(4)K 
HG-JR20K1(4)K 
HG-JR25K1(4)K 
HG-JR22K1M(4)K 
HG-JR30K1M(4)K 
HG-JR37K1M(4)K 
65m6 140  130 18
0
-0.040
 
120 5 
7
+0.2
0
 
9 
M12 
screw hole 
depth 25 
HG-JR30K1(4)K 
HG-JR37K1(4)K 
HG-JR45K1M4K 
HG-JR55K1M4K 
80m6 140  140 22
0
-0.040
 
132 7 
9
+0.2
0
 
11 
M16 
screw hole 
depth 30 
B 
 
S
QL
A
A
QK
Q
R
W
U
r
Y
Shaft section view A-A
 
Q
R
QK
A
A
r
QL
W
Shaft section
view A-A
φ
S
U
Y
 
Figure A 
Figure B 
Key shaft (without key)