等
级

Grade

球直径变动量
ball diameter variation

球形偏差
deviation spherical form

球表面粗糙
surface roughness

批直径变动量
lot diameter variation

基本直径公差
nominal ball deviationtolerance

Vdws

△Sph

Ra

Vdwl

Tdn

不超过not over

um

10

0.25

0.25

0.025

0.5

16

0.4

0.4

0.032

0.8

*

20

0.5

0.5

0.04

1

*

28

0.7

0.7

0.05

1.4

*

40

1.0

1.0

0.08

2

*

60

1.5

1.5

0.10

3

*

100

2.5

2.5

0.125

5

12.5

200

5

5

0.2

10

±25

500

13

13

*

25

± 50

1000

25

25

*

±125

等级

Grade

直径范围
diameter scope

公差
tolerance

球直径
ball diameter

球形误差
ball shape error

表面粗糙度
surace roughness

批直径变动量
lot diameter variation

分规值间距
diyiders gap

分规值
dividers value

(mm)

um

um

um

um

um

G3

-

12

± 5.32

0.08

0.08

0.01

0.13

0.5

-5…-0.5 0 +0.5…+5

G5

-

12

± 5.63

0.13

0.13

0.014

0.25

1

-5…-1  0+1…+5

G10

-

25

±9.75

0.25

0.25

0.02

0.5

1

--9…-1  0 +1…+9

G16

-

25

± 11.4

0.4

0.4

0.025

0.8

2

-10…-2 0  +2…+10

G20

-

38

± 11.5

0.5

0.7

0.032

1

2

-10…-2 0 +2…+10

G28

-

50

± 13.7

0.7

1

0.05

1.4

2

-12…-2 0 +2…+10

G40

-

100

± 19

1

2.5

0.06

2

4

-16…-4 0 +4…+16

G100

-

150

± 47.5

2.5

5

0.125

5

10

-40…-10 0 +10…+40

G200

-

150

± 72.5

5

5

0.2

10

15

-60…-15 0 +15…+60

-

25

±75

2.5

25

-

50

50

-50  0  +50

25

50

± 112.5

25

25

-

75

75

-75  0  +75

50

75

± 150

25

25

-

100

100

-100 0  +100

G500

75

100

± 187.5

32

32

-

125

125

-125  0  +125

100

125

± 225

38

38

-

150

150

-150 0 +150

125

150

± 262.5

44

44

-

175

175

-175 0 +175

G600

alle

alle

± 200

-

-

400

-

0

G700

alle

alle

±1000

-

-

2000

-

0