Ordering Code

Dimensions( mm)

Teeth

Pitch

d

D

C

L

Zt

mm

TPI

ST90-20R2T14-B20

20

20

41

96

2

0.5-2.5

10-32

ST90-30R2T21-B25

30

25

52

113

2

1-3.5

7-24

ST90-40R2T30-B32

40

32

70

135

2

1.5-5.0

6-20

ST90-50R2T40-B40

50

40

78

153

2

1.5-6.0

4-16