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Bearing Clearance

Bearing Clearance

Clearance: radial clearance of deep groove ball bearings is manufactured according to GB/T4604-1999 (equivalent to ISO 5753-1991). In general, radial clearance of deep groove ball bearings is the basic group (group Co), and other group clearance can be used if customers request. The list of radial clearance of deep groove ball bearings is as follows.

Internal diameter
d(mm)

C2

C0

C3

C4

C5

Range

Minimum / maximum

Minimum / maximum

Minimum / maximum

Minimum / maximum

Minimum / maximum

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

28-48

Micro bearings can also be used in the following radial clearance

 

Clearance code

MC1

MC2

MC3

MC4

MC5

MC6

Range

Minimum / maximum

Minimum / maximum

Minimum / maximum

Minimum / maximum

Minimum / maximum

Minimum / maximum

Clearance

0-5

3-8

5-10

8-13

13-20

20-28

 

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