CHENA INDUSTRIAL CO., LTD

unit : mm

Outer diameter
D

Inner hole designation
d1-d2
min.  max.

Df

L

e

M

G

weight (g)

AL

SUS

12

4  ~   6

0.25

14.2

5.1

M3

2.5

5.1

8.5

14.5

4  ~   6

0.25

16

5.3

3

8

15

16.8

5  ~   8

0.35

19.8

6.75

M4

3.2

13

25

20

5  ~  10

0.5

21.4

7.05

3.2

17

37

26

5  ~  14

0.5

25.6

9.05

3.8

39

79

30

5  ~  16

0.5

33

12.1

5.8

6.1

122

34

5  ~  16

0.5

34.2

12.85

M5

5.8

90

180

38

5  ~  18

1.5

40

15.15

7

130

260

45

8  ~  25

1.5

43.6

15

7.5

200

400

55

10  ~  30

1.5

49.4

17

M6

8.5

375

750

70

12  ~  38

2

57

20

M8

11

400

1300

AL-High strength aluminum alloyCharacteristic

unit : mm

Outer diameter
D

Maximum torque
(N˙m)

Max. return speed
(rpm)

Moment of inertia
(kg˙m2)

Static torsion spring coefficient
(N．m/rad)

Allowable axial displacement
(mm)

Allowable declination
(°)

12

0.7

9000

7.0 x 10^-8

44

±0.2

2

14.5

1

7000

1.6 x 10^-7

90

16.8

1.3

6500

3.75 x 10^-7

220

20

2

5000

8.0 x 10^-7

320

26

3.75

5000

2.9 x 10^-6

380

±0.25

30

9.5

5000

9.0 x 10^-6

1000

34

10

3500

1.1 x 10^-5

2200

38

17.5

3500

2.8 x 10^-5

3200

45

19

9000

8.5 x 10^-5

3500

±0.35

2.5

55

22

9000

1.6 x 10^-4

4200

70

30

9000

5.5 x 10^-4

5800

SUS Characteristic

unit : mm

Outer diameter
D

Maximum torque
(N˙m)

Max. return speed
(rpm)

Moment of inertia
(kg˙m2)

Static torsion spring coefficient
(N．m/rad)

Allowable axial displacement
(mm)

Allowable declination
(°)

12

1

9000

1.5 x 10^-7

44

±0.2

2.5

14.5

1.5

7000

3.2 x 10^-7

90

3

16.8

2

6500

7.5 x 10^-7

220

3.2

20

3

5000

1.7 x 10^-6

320

3.8

26

5

5000

5.8 x 10^-6

380

±0.25

3.8

30

12

5000

1.8 x 10^-5

1000

5.8

34

15

3500

2.2 x 10^-5

2200

5.8

38

25

3500

7.5 x 10^-5

3200

7

45

30

9000

1.7 x 10^-4

3500

±0.35

7.5

55

35

9000

3.3 x 10^-4

4200

8.5

70

45

9000

1.1 x 10^-3

5800

11