Keyed shaft (without key)
R
Q
QK
QL
A
r
A
[Unit: mm]
Rotary servo motor
Variable dimensions
S
HK-ST52(4)WN
0
24
-0.013
HK-ST102(4)WN
HK-ST172(4)WN
HK-ST202(4)AWN
HK-ST302(4)WN
HK-ST202(4)WN
+0.010
35
0
HK-ST352(4)WN
HK-ST502(4)WN
HK-ST702(4)WN
U
Y
Section A-A
R
Q
W
55
50
8
-0.036
79
75
10
-0.036
QK
QL
36
5
0
55
5
0
7.5 Rotary servo motors with special shafts
U
r
Y
4
M8
+0.2
4
0
Screw hole
depth
20
5
M8
+0.2
5
0
Screw hole
depth
20
7 HK-ST SERIES
7
157