
9.
Appendix
9-2
KRF
9. Appendix
9-4
Static permissible load
Static permissible load is shown in Table 11. For the direction of the load, see Fig. 6.
(The static permissible load is the value when a load is applied only to one direction. )
Model number
KRF3
KRF4
KRF5
KRF6
Static permissible load
[N]
Axial direction
290
955
1465
2023
Radial direction
3450
6300
12150
20200
Reverse radial direction
3450
4048
6472
12380
Lateral direction
1095
1095
1899
3095
Table 11 Static permissible load
Note: The static permissible load is the maximum load permissible under the static condition.
9-5
Permissible rotational speed
Model
number
Lead [mm]
Permissible rotation speed at each stroke [min
-1
] *
Stroke
to 300 350 to 500
550
600
650
700
750
800
KRF3
6
3000
-
-
-
-
-
-
-
KRF4
6
3000
-
-
-
-
-
-
-
KRF5
6
3000
2500
-
-
-
-
-
10
3000
2400
-
-
-
-
-
KRF6
6
3000
2750
2500
2000
1750
1500
10
3000
2700
2400
2100
1800
1650
1500
* The permissible rotational speed is the value restricted by the motor rotational speed (at 3,000 min
-1
),
or by the permissible rotational speed of the ball screw.
Table 12 Permissible rotation speed
Axial direction
Axial direction
Lateral direction
Lateral direction
Reverse radial
direction
Radial
direction
M
B
M
C
M
A
M
A
: Pitching
M
B
: Yawing
M
C
: Rolling
Fig. 6 Imposed load ratio and moment direction