| Nominal Part No. |
Major Dimensions and Tolerance
(mm) |
Major Dimensions and Tolerance
(mm) |
Eccentricity (max)
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 |
B
Tolerance |
W |
D1 |
KB 6W KB
6G W
KB
8W KB 8G W
KB
10W KB
10G
W |
4 40
4 80
5 115 |
8 +0.009
12 -0.001
16 +0.011 |
16 0
22 -0.009
26 0
-0.011 |
46
61
68 0
-0.3 |
33
45.8 0
19.8 -0.3 |
1.1
1.3
1.3 |
15.2
21
24.9 |
15
15
15 |
421 804
813 1,570
921 1,780 |
KB
6W
KB
8W
KB
10W |
KB
12W KB 12G W
KB
13W
KB 13G W
KB
16W KB
16G W |
5 180
6 430
6 615 |
20 -0.001
25 +0.013
30 -0.002 |
32
40 0
47 -0.013 |
80
112
123 |
61
82
104.2 |
1.6
1.85
1.85 |
30.5
37.5
44.5 |
17
17
17 |
1,370 2,740
1,570 3,140
2,500 5,490 |
KB
12W
KB
13W
KB
16W |
KB
20W KB
20G W
KB
25W KB
25G W
KB
30W KB
30G W |
6 1,400
6 2,320
6 3,920 |
40
50 +0.013
60 -0.004 |
62 0
75 -0.009
90 0
-0.011 |
154 0
192 -0.4
209 |
121.2 0
155.2 -0.4
170 |
2.15
2.65
3.15 |
59
72
86.5 |
20
20
25 |
3,430 8,040
6,080 15,900
7,550 20,000 |
KB
20W
KB
25W
KB
30W |
