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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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