IN'S Linear Ball Bearing
SM/SM-AJ/SM-OP/SM-G
KB/KB-AJ/KB-OP/KB-G
SW/SW-AJ/SW-OP/SW-G
SM-W
KB-W
KH
Flanged Slide Bearing
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. Nominal Shaft Diameter
(mm)

Major Dimensions and Tolerance
(mm)

Eccen
tricity
(max)
m
Radial Cleara
nce
(max)
m
Basic Load Rating
CN CoN
Nominal
Part No.
Steel Retainer    

Resin Retainer
Ball Circuit  
Weight
    g
Adjustable Type Open Type dr   
Tolerance

D
Tolerance

L
Tolerance

B
Tolerance

W D1 H H1
KB5 KB5G
KB8 KB8G
KB12  KB12G
3   11  
4   20  
4   41  
KB 5-AJ  KB 5G-AJ
KB 8-AJ 
KB 8G-AJ
KB12-AJ 
KB12G-AJ


KB 12-OP 
KB 12G-OP
5
8
12 
12
16
22
22
25
32
14.5
16.5
22.9
1.1
1.1
1.3
11.5
15.2
21
1
1
1.5


7.5


78
12
12
12
-5
-5
-7
200 260
260 400
410  590
KB 5
KB 8
KB 12
KB16 KB16G
KB20 KB20G
KB25 KB25G
5   65  
5   91  
6  215 
KB 16-AJ  KB 16G-AJ
KB 20-AJ 
KB 20G-AJ
KB 25-AJ 
KB 25G-AJ
KB 16-OP  KB 16G-OP
KB 20-OP 
KB 20G-OP
KB 25-OP 
KB 25G-OP
16
20
25
26
32
40
36
45
58
 
24.9
31.5
44.1 
1.3
1.6
1.85
24.9
30.3
37.5
1.5
2
2
10
10
12.5
78
60

60
12
15
15
-7
-9
-9
770 1170
860 1370
980 1560
KB 16
KB 20
KB 25
KB30 KB30G
KB40 KB40G
KB50 KB50G
6  325 
6  705 
6 1130
KB 30-AJ  KB 30G-AJ
KB 40-AJ 
KB 40G-AJ
KB 50-AJ 
KB 50G-AJ
KB 30-OP  KB 30G-OP
KB 40-OP 
KB 40G-OP
KB 50-OP 
KB 5G-OP
30
40
50
47
62
75
68
80
100
 
52.1
60.6
77.6
1.85
2.15
2.65
44.5
59
72
2
3
3
12.5
16.8
21
50
50

50
15
17
17
-9
-13
-13
1560 2740
2150 4010
3820 7930
KB 30
KB 40
KB 50
LM60 KB60G 6  2220 KB 60-AJ  KB 60G-AJ KB 60-OP  KB 60G-OP 60   90 125 
101.7
3.15 86.5 3 27.2 54 20 -16 4700 9990 KB 60
SI Unit 1N0.102 kgf  
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