Max. Radial load（10mm from flange）

50N

40N

Max. shaft axial load

30N

30N

Radial play of shaft（ near to flange）

≤0.08 mm

≤0.1 mm

Axial play of shaft

≤0.3 mm

≤0.3 mm

Single Shaft

A

Ω

mH

N.m

N.m

g-cm2

kg

mm

20STH30-0604A

0.6

6.5

1.7

0.018

0.002

4

2

0.06

30

20STH33-0604A

0.6

6.5

1.7

0.018

0.002

4

2

0.06

33

20STH42-0804A

0.8

5.4

1.5

0.03

0.002

4

3.6

0.08

42

Number of gear trains

1

2

3

4

Length(L2)         mm

23.3

20.7

37.1

43.4

Max. rated torque

N.m

0.2

0.8

1.6

2.0

Short time permissible torque

N.m

0.6

2.4

4.8

6.0

Efficiency                         %

90%

81%

73%

66%

Backlash at no-load

0.5°

1.0°

1.5°

1.5°

Weight                              g

31

37

43

49