FB Series Standard Dimensions

               TIF Type(preloaded single nut) with one side notched flange


               - Click the model to download CAD data (DXF) -



Lead


L

Model

No.

Screw

O.D.


d0

Root

dia


dr

Ball

dia


Dw

B.C.D.



Dpw

Effective

Turns


m

Basic Rated

Load(Dynamic)

(N)

Ca

Basic Rated

Load(Static)

(N)

C0

Stiffness


(N/μm)

K


Nut Dimension


D1
D2
L
F
P
J
M
N
A
Z
5
25
22.5
3.175
25.8
2.5×1
9170
21400
440
50
73
55
11
61
5.5
9.5
5.5
28
M6×1
6
32
28.9
3.969
33.0
2.5×1
13900
34900
570
62
89
63
12
75
6.6
11
6.5
34
M6×1
8
32
28.4
4.763
33.3
2.5×1
18000
42100
590
66
100
82
15
82
9.0
14
8.5
38
M6×1
10
25
21.4
4.763
26.3
1.5×1
10100
19200
270
58
85
79
15
71
6.6
11
6.5
32
M6×1
28
24.4
4.763
29.3
2.5×1
16600
36100
510
60
94
97
15
76
9.0
14
8.5
36
M6×1
32
27.1
6.35
33.8
2.5×1
25500
53500
580
74
108
100
15
90
9.0
14
8.5
41
M6×1
40
35.1
6.35
41.8
2.5×1
28600
67900
710
82
124
103
18
102
11
17.5
11
47
PT1/8
12
28
24.4
3.969
29.0
1.5×1
8470
18400
300
58
92
83
15
74
9.0
14
8.5
36
M6×1
32
27.1
6.35
33.8
2.5×1
25400
53500
580
74
108
117
18
90
9.0
14
8.5
41
M6×1
40
35.1
6.35
41.8
2.5×1
28600
67900
710
82
124
117
18
102
11
17.5
11
47
PT1/8
16
32
27.1
6.35
33.8
1.5×1
16300
32100
340
74
108
108
18
90
9.0
14
8.5
41
M6×1
20
36
31.1
6.35
37.8
1.5×1
17200
36400
380
78
123
121
18
101
11
17.5
11
47
M6×1
40
35.1
6.35
41.8
2.5×1
28300
67900
700
82
124
161
18
102
11
17.5
11
47
PT1/8

Note 1:The stiffness in the catalog means theoretical erastic deformation of balls where three times of preload is supplied to axial direction in case

the preload is 10% of rated static load capacity(Ca).Stiffness of the ball nut is to be approx.80% of this load.




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