Size-No.

Ring dimension

Groove dimension

d

D

H

t

d1

d2

m

n

Basic

Tol.

Basic

Tol.

Basic

Tol.

Basic

Tol.

Over

Under

Basic

Tol.

Basic

Tol.

Min.

0.6

0.6

±0.04

1.5

±0.1

0.45

±0.02

0.2

±0.02 

0.8

1

0.6

+0.05

-0

0.3

+0.05

-0

0.4

0.7

0.67

+0
-0.08

2

0.55

+0/ -0.1

0.2

0.9

1.2

0.7

0.3

0.4

0.8

0.8

2

0.7

+0

-0.25

0.2

1

1.4

0.82

0.3

0.4

1

0.98

+0 

-0.09

2.8

0.88

0.2

1.3

1.7

1

0.3

0.5

1.2

1.2

3

1

0.3

±0.025

1.4

2

1.23

+0.06

-0

0.4

0.5

1.5

1.5

4

±0.2

1.3

0.4

±0.03

2

2.5

1.53

0.5

0.8

1.9

1.9

4.5

1.7

0.4

2.5

3

1.93

0.5

1

2

2

5

1.7

0.4

2.5

3.2

2.05

0.5

1

2.3

2.3

6

2

0.4

3

4

2.35

0.5

1

2.5

2.5

6

2.1

0.4

3.2

4

2.55

0.5

1

3

3

7

2.6

0.6

±0.04

4

5

3.05

0.7

+0.1

-0

1

3.2

3.2

+0

-0.12

7

2.8

+0

-0.3

0.6

4

5

3.25

+0.075
-0

0.7

1.2

4

4

9

3.5

0.6

5

7

4.05

0.7

1.2

5

5

11

4.3

0.6

6

8

5.05

0.7

1.2

6

6

12

5.2

0.8

7

9

6.05

0.9

1.2

7

7

+0

-0.15

14

6.1

+0

-0.35

0.8

8

11

7.1

+0.09
-0     

0.9

1.5

8

8

16

6.9

0.8

9

12

8.1

0.9

1.8

9

9

18

7.8

0.8

10

14

9.1

0.9

2

10

10

20

±0.3

8.7

1

±0.05

11

15

10.15

1.15

+0.14

-0

2

12

12

+0
-0.18

23

10.4

+0

-0.45

1

13

18

12.15

+0.11
-0

1.15

2.5

15

15

29

13

1.5

±0.06

16

24

15.15

1.65

3

19

19

+0
-0.21

37

16.5

1.5

20

31

19.15

+0.13     -0

1.65

3.5

24

24

44

20.8

+0/-0.5

2

±0.07

25

38

24.15