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6. HF-KN SERIES
6 - 5
6.5 Servo motors with special shafts
The servo motors with special shafts indicated by the symbols (K and D) in the table are available. K and D
are the symbols included in the servo motor model names.
Shaft shape
Servo motor
Key shaft (with key) D cut shaft
HF-KN13(B)(J)_ D
HF-KN23(B)(J)_
HF-KN43(B)(J)_
HF-KN73(B)J_
K
6.5.1 Key shaft (with 2 round end key)
Variable dimension table
[Unit: mm]
Variable dimensions
Servo motor
S R Q W QK QL U T Y
HF-KN23(B)(J)K
HF-KN43(B)(J)K
14h6 30 27 5 20 3 3 5
M4
Screw
hole
depth
15
Q
A
A
QK
R
T
W
U
QL
Y
Shaft section view A-A
S
HF-KN73(B)JK 19h6 40 37 6 25 5 3.5 6
M5
Screw
hole
depth
20
6.5.2 D cut shaft
[Unit: mm]
8h6
25
21.5
20.5
1