Radial Clearancs

The radial clearance of NZSB deep groove ball bearing are according with National Standard of P.R. of China GB4604-93 which is adopted from ISO5753-2005 equivalently,dividing into five groups as shown in the following talbe.
(Unit) : um
Bore Diameterd(mm)
Group2
Normal Group
Group3
Group4
Group5
Over ~ to
min
max
min
max
min
max
min
max
min
max
2.5 ~ 6
0
7
2
13
8
23
--
--
--
--
6 ~ 10
0
7
2
13
8
23
14
29
20
37
10 ~ 18
0
9
3
18
11
25
18
33
25
45
18 ~24
0
10
5
20
13
28
20
36
20
48
24 ~ 30
1
11
5
20
13
28
23
41
30
53
30 ~ 40
1
11
6
20
15
33
28
46
40
64