Part No.

No.   of Teeth

 Type

 Pitch Dia.

A Out. Dia.

FD Flange Dia.

C Hub. Dia.

W Face Width

L Overall Length

B Bore

21AT5/12-2

12

6F

19.10

17.85

22.20

12

15

21

-

21AT5/14-2

14

6F

22.28

21.05

25.40

14

15

21

-

21AT5/15-2

15

6F

23.87

22.65

27.00

16

15

21

6

21AT5/16-2

16

6F

25.46

24.20

30.00

18

15

21

6

21AT5/18-2

18

6F

28.65

27.40

32.00

20

15

21

6

21AT5/20-2

20

6F

31.83

30.60

35.00

24

15

21

6

21AT5/22-2

22

6F

35.01

33.85

38.00

25

15

21

6

21AT5/24-2

24

6F

38.20

37.00

41.30

26

15

21

6

21AT5/25-2

25

6F

39.79

38.60

43.00

26

15

21

6

21AT5/26-2

26

6F

41.38

40.20

44.50

26

15

21

6

21AT5/27-2

27

6F

42.97

41.80

46.00

30

15

21

8

21AT5/30-2

30

6F

47.75

46.55

51.00

34

15

21

8

21AT5/32-2

32

6F

50.93

49.70

54.00

38

15

21

8

21AT5/36-2

36

6F

57.30

56.05

60.30

38

15

21

8

21AT5/40-2

40

6F

63.66

62.45

66.70

40

15

21

8

21AT5/44-0

44

6

70.03

68.80

-

50

15

21

8

21AT5/48-0

48

6

76.39

75.15

-

50

15

21

8

21AT5/60-0

60

6

95.49

94.25

-

65

15

21

8