Internal Clearance

Clearance is gap amid bearing inner ring, outer ring, ball package. Bearing has radial clearance and axial clearance.

Deep-groove ball bearing radial clearance

Nominal bearing
inner diameter
d(mm)
Clearance
C2
CN
C3
C4
C5
Exceed
Below
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
10
(Be limited to)
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
20
5
13
25
20
36
25
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
40
50
1
11
6
23
18
36
30
51
45
73
50
65
1
15
8
28
23
43
38
61
55
60
65
80
1
15
10
30
25
51
46
71
65
105
80
100
1
18
12
36
30
58
53
84
75
120

 Miniature Bearing’s Internal Radial Clearance

Clearance mark MC1 MC2 MC3 MC4 MC5 MC6
Clearance max min max min max min max min max min max min
0 5 3 8 5 10 8 13 13 20 20 28

 

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