Clearance is gap amid bearing inner ring, outer ring, ball package. Bearing has radial clearance and axial clearance.
Nominal bearing inner diameter d(mm)
Clearance
C2
CN
C3
C4
C5
Exceed
Below
Min.
Max.
10 (Be limited to)
-
0
7
2
13
8
23
14
29
20
37
10
18
9
3
11
25
33
45
24
5
36
48
30
1
28
41
53
40
6
15
46
64
50
51
73
65
43
38
61
55
60
80
71
105
100
12
58
84
75
120
Clearance mark
MC1
MC2
MC3
MC4
MC5
MC6
max
min
All fields are required.
Certificate:
ISO9001
If I need the bearings going with nothing but only low friction, what kind of lubricating do you recommend?