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Note:
Stiff ness of nut:
Stiff ness values listed above are derived from theoretical formula to the elastic deformation between thread grooves and balls while axial load is
30% dynamic load rating.
Screw size
Ball DIA.
Effeftive turns
circuitxrow
BASIC RATE LOAD(kgf)
BALLNUT DIMENSION
Nut Model No.
O.D.
Length
Flange
Assembly
Hole
Oil Hole
STIFFNESS
O.D.
Lead
Dynamic
(1×106 REV.)
Ca
Static
Co
D
L
A
T
W
H
X
Q
kgf/μm
12
5
2.000
2.5x1
270
350
26
40
47
10
37
30
4.5
M6x1P
8.2
FSBW1205-2.5P
14
4
2.381
3.5x1
500
1100
31
40
50
10
40
37
4.5
M6x1P
15
FSBW1404-3.5P
5
3.175
2.5x1
515
990
32
40
50
10
40
38
4.5
M6x1P
11
FSBW1405-2.5P
16
5
3.175
2.5x1
570
1130
34
40
54
10
44
40
4.5
M6x1P
13
FSBW1605-2.5P
20
4
2.381
2.5x1
415
850
40
41
59
10
50
46
4.5
M6x1P
14
FSBW2004-2.5P
5
3.175
2.5x1
620
1450
40
40
59
10
50
46
4.5
M6x1P
16
FSBW2005-2.5P
25
4
2.381
2.5x1
450
980
43
41
67
10
50
50
4.5
M6x1P
17
FSBW2504-2.5P
5
3.175
2.5x1
720
1830
43
40
67
10
50
50
5.5
M6x1P
18
FSBW2505-2.5P
