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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
φS
U
Y
Figure A Figure B
Key shaft (without key)