IN'S Linear Ball Bearing
    Flanged Slide Bearing
   
SMF   SMK
SMT   KBF
KBK   SWF
SWK   SMF-W
SMK-W   KBF-W
KBK-W   SMT-W
SMFC/SMKC
KBFC/KBKC
SWFC/SWKC
SMF-E/SMK-E
SMF-W-E/SMK-W-E
SMTC   SMT-E
SMT-W-E
    Super Linear Ball Bearing
    IN'S Linear Ball Bearing System Case Unit
    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
       
 

Nominal Part No.
Major Dimensions and Tolerance
(mm)
Eccentricity
μm
Squareness
μm
Basic Load Rating
Dynamic    Static
CN   CoN
Nominal
Part No.
Steel Retainer    

Resin Retainer
Ball Circuit  Weight
                  g
Dr
        
Tolerance
D
        
Tolerance
L
    
Tolerance
Flange
Df
k
t
Dp
X
Y
Z


SMK 6W    SMK 6GW


4             25 


6   


12    0


35


28


22


5


20


3.5


6.5


3.1


15


15


323     530   


SMK 6W
SMK 8W    SMK 8GW
SMK 10W  SMK 10GW
SMK 12W  SMK 12GW
4             43 
4             78 
4             90 
8
10     0
12   -0.010
15   -0.013
19   
21      0
45
55
57
32
40
42
25
30
32
5
6
6
24
29
32
3.5
4.5
4.5
6.5
8
8
3.1
4.1
4.1
15
15
15
15
15
15
431     784   
588     1,100
813    1,570
SMK 8W
SMK 10W
SMK 12W
SMK 13W  SMK 13GW
SMK 16W  SMK 16GW
SMK 20W  SMK 20GW
4           108 
5           168 
5           225 
13
16
20
23         -0.016
28 
32
61
70   -0.3
80
43
48
54
34
37
42
6
6
8
33
38
43
4.5
4.5
5.5
8
8
9.5
4.1
4.1
5.1
15
15
20
15
15
20
813    1,570
1,230  2,350
1,400  2,740
SMK 13W
SMK 16W
SMK 20W
SMK 25W  SMK 25GW
SMK 30W  SMK 30GW
SMK 35W  SMK 35GW
6           500 
6           590 
6           930 
25     0
30   -0.012
35     0
40    0
45   -0.019
52    0
112
123
135
62
74
82
50
58
64
8
10
10
51
60
67
5.5
6.6
6.6
9.5
11
11
5.1
6.1
6.1
20
20
25
20
20
25
1,560  3,140
2,490  5,490
2,650  6,270
SMK 25W
SMK 30W
SMK 35W
SMK 40W  SMK 40GW
SMK 50W  SMK 50GW
SMK 60W  SMK 60GW
6         1,380
6         3,400
6         4,060
40  -0.015
50     0 
60  -0.020
60   -0.002
80     0
90   -0.025
151
192
209
96
116
134
75
92
106
13
13
18
78
98
112
9
9
11
14
14
17.5
8.1
8.1
11.1
25
25
30
25
25
30
3,430  8,040
6,080  15,900
7,550  20,000
SMK 40W
SMK 50W
SMK 60W
SI Unit 1N0.102 kgf  
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