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Technology information >> 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
dmm

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