IN'S Linear Ball Bearing
　 　 Flanged Slide Bearing
　 　 Super Linear Ball Bearing
　 　 IN'S Linear Ball Bearing System Case Unit
　 　
SMA/SMA-W/SMA-V 　
SCE/SCE-W/SCE-V
SMJ
　 　 IN'S Linear Ball Bearing System Support Rail Unit
　 　 IN'S Linear Ball Bearing System Shaft Support
　 　 IN'S Linear Ball Bearing System SM Shaft
　 　 IN'S Linear Ball Bearing System Interchangeability list
　 　 IN'S Linear Ball Bearing System Tolerances for inside diameter of housing
　 　 　 　
　

Standard Type
 
Standard Type
Part number
Installed
L/B
Load Ratings
Wgt.
g
Part number
Installed
L/B
Load Ratings
Wgt.
g
Part number
Installed
L/B
Load Ratings
Wgt.
g
C(N)
Co(N)
C(N)
Co(N)
C(N)
Co(N)
SCE8UU
KB8UU
260
400
60
SCE8WUU
2×KB8UU
410
800
98
SCE8VUU
KB8UU
260
400
40
SCE12UU
KB2UU
410
590
118
SCE12WUU
2×KB2UU
650
1180
232
SCE12VUU
KB2UU
410
590
82
SCE16UU
KB16UU
770
1170
180
SCE16WUU
2×KB16UU
1230
2340
360
SCE16VUU
KB16UU
770
1170
122
SCE20UU
KB20UU
860
1370
245
SCE20WUU
2×KB20UU
1370
2740
490
SCE20VUU
KB20UU
860
1370
176
SCE25UU
KB25UU
980
1560
550
SCE25WUU
2×KB25UU
1560
3120
1100
SCE25VUU
KB25UU
980
1560
400
SCE30UU
KB30UU
1560
2740
760
SCE30WUU
2×KB30UU
2490
5480
1525
SCE30VUU
KB30UU
1560
2740
570
SCE40UU
KB40UU
2150
4010
1700
SCE40WUU
2×KB40UU
3440
8020
3400
SCE40VUU
KB40UU
2150
4010
1320
SCE50UU
KB50UU
3820
7930
2950
SCE50WUU
2×KB50UU
6110
15860
5920
SCE50VUU
KB50UU
3820
7930
1900
　
Dimensions (mm)
Part number
Shaft Dia.
Common
SC
SC□W
SC□V
h
D
W
H
G
A
J
E
S₁×I
S₂
K
L
Kw
Lw
Lv
Ø 8
11
17
34
22
18
6
24
5
M4×8
Φ3.4
18
30
42
58
14.4
SCE8UU
Ø12
15
22
44
30
24.5
8
33
5. 5
M5×10
Φ4.3
26
39
64
77
20.3
SCE12UU
Ø16
19
25
50
38.5
32.5
9
36
7
M5×12
Φ4.3
34
44
79
89
22.3
SCE16UU
Ø20
21
27
54
41
35
11
40
7
M6×12
Φ5.2
40
53
90
106
28.3
SCE20UU
Ø25
26
38
76
51.5
41
12
54
11
M8×18
Φ6.8
50
67
119
136
40.4
SCE25UU
Ø30
30
39
78
59.5
49
15
58
10
M8×18
Φ6.8
58
76
132
154
48.4
SCE30UU
Ø40
40
51
102
78
62
20
80
11
M10×25
Φ8.6
60
90
150
180
56.4
SCE40UU
Ø50
52
61
122
102
80
24
100
11
M10×25
Φ8.6
80
110
200
230
72.3
SCE50UU
　
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