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FK
Fixed Side-Round Type(Inner Diameter: 4 - 30 mm)
The Support Unit is compactly designed to accommodate the space in the installation site. As the
bearing is provided with an appropriately adjusted preload, the Support Unit can be assembled with
a Ball Screw unit with no further machining.
View specifications and model number coding
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Included items FK4-FK8
Item No.
Item name
Qty
â‘
Housing
1
â‘¡
Bearing
1 set
â‘¢
Set nut
1
â‘£
Collar
2
⑤
Seal
1
â‘¥
Lock Nut
1
⑦
Hexagonal socket head set screw(with set piece)
1
Model No.
Bearingjournaldiameterd
L
H
F
E
D
A
PCD
B
Install method A
Install method B
d1
d2
h
M
T
Bearingused
Basic load rating
Mass
L1
T1
L2
T2
Axial direction
Dynamic Ca
Static permissible
Rigidity
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
kN
kN
N/µm
kg
FK4 4 15 6 9 17.5 18-0.006 -0.017 32 24 25 5.5 3 6.5 4 3.4 6.5 4 M2.6 10 AC4‑12 (DF P5) 0.93 1.1 27 0.05
FK5 5 16.5 6 10.5 18.5 20-0.007 -0.02 34 26 26 5.5 3.5 7 5 3.4 6.5 4 M2.6 11 AC5‑14 (DF P5) 1 1.24 29 0.06
FK6 6 20 7 13 22 22-0.007 -0.02 36 28 28 5.5 3.5 8.5 6.5 3.4 6.5 4 M3 12 AC6‑16 (DF P5) 1.38 1.76 35 0.08
FK8 8 23 9 14 26 28-0.007 -0.02 43 35 35 7 4 10 7 3.4 6.5 4 M3 14 79M8A(DF P5) 2.93 2.15 49 0.15
Included items for FK10-FK30
Item No.
Item name
Qty
â‘
Housing
1
â‘¡
Bearing
1 set
â‘¢
Set nut
1
â‘£
Collar
2
⑤
Seal
2
â‘¥
Lock Nut
1
⑦
Hexagonal socket head set screw(with set piece)
1
Model No.
Bearingjournaldiameterd
L
H
F
E
D
A
PCD
B
Install method A
Install method B
d1
d2
h
M
T
Bearingused
Basic load rating
Mass
L1
T1
L2
T2
Axial direction
Dynamic Ca
Static permissible
Rigidity
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
kN
kN
N/µm
kg
FK10 10 27 10 17 29.5 34-0.009 -0.025 52 42 42 7.5 5 8.5 6 4.5 8 4 M3 16 7000 equivalent (DF P5) 6.08 3.1 65 0.21
FK12 12 27 10 17 29.5 36-0.009 -0.025 54 44 44 7.5 5 8.5 6 4.5 8 4 M3 19 7001 equivalent (DF P5) 6.66 3.25 88 0.22
FK15 15 32 15 17 36 40-0.009 -0.025 63 50 52 10 6 12 8 5.5 9.5 6 M3 22 7002 equivalent (DF P5) 7.6 4 100 0.39
FK20 20 52 22 30 50 57-0.01 -0.029 85 70 68 8 10 12 14 6.6 11 10 M4 30 7204 equivalent (DF P5) 17.9 9.5 170 1.09
FK25 25 57 27 30 60 63-0.01 -0.029 98 80 79 13 10 20 17 9 15 13 M5 35 7205 equivalent (DF P5) 20.2 11.5 190 1.49
FK30 30 62 30 32 61 75-0.01 -0.029 117 95 93 11 12 17 18 11 17.5 15 M6 40 7206 equivalent (DF P5) 28 16.3 195 2.32
For more detailed specifications, please download the Product Catalog with the link in the Downloads section on this page.
Model
Size
FK
4
FK
4
Â
5
Â
6
Â
8
Â
10
Â
12
Â
15
Â
20
Â
25
Â
30