BS (06B) Sprockets – 3/8

BS (06B) Sprockets – 3/8

Tooth radius: r3 = 10
Radius size: C = 1.0
Tooth width: B1 = 5.3
Tooth width: b1 = 5.2
Tooth width: B2 = 15.4
Tooth width: B3 = 25.6

No.
teeth

Outside
dia. de

Pitch
dia. dp

Simplex*

Duplex*

Triplex*

dm

D1

A

dm

D1

A

dm

D1

A

8

28.0

24.89

15

8

22

15

6

22

15

6

32

9

31.0

27.85

18

8

22

18

8

22

18

8

32

10

34.0

30.82

20

8

22

20

8

22

20

10

32

11

37.0

33.80

22

8

25

22

10

25

22

10

35

12

40.0

36.80

25

8

25

25

10

25

25

10

35

13

43.0

39.80

28

10

25

28

10

25

28

10

35

14

46.3

42.80

31

10

25

31

10

25

31

12

35

15

49.3

45.81

34

10

25

34

10

25

34

12

35

16

52.3

48.82

37

10

28

37

12

30

37

12

35

17

55.3

51.83

40

10

28

40

12

30

40

12

35

18

58.3

54.85

43

10

28

43

12

30

43

12

35

19

61.3

57.87

45

10

28

46

12

30

46

12

35

20

64.3

60.89

46

10

28

49

12

30

49

12

35

21

68.0

63.91

48

12

28

52

12

30

52

14

40

22

71.0

66.93

50

12

28

55

12

30

55

14

40

23

73.5

69.95

52

12

28

58

12

30

58

14

40

24

77.0

72.97

54

12

28

61

12

30

61

14

40

25

80.0

76.00

57

12

28

64

12

30

64

14

40

26

83.0

79.02

60

12

28

67

12

30

67

14

40

No.
teeth

Outside
dia. de

Pitch
dia. dp

Simplex*

Duplex*

Triplex*

dm

D1

A

dm

D1

A

dm

D1

A

27

86.0

82.04

60

12

28

70

12

30

70

14

40

28

89.0

85.07

60

12

28

73

12

30

73

14

40

29

92.0

88.09

60

12

28

76

12

30

76

14

40

30

94.7

91.12

60

12

30

79

12

30

79

14

40

31

98.3

94.15

65

14

30

80

16

30

80

16

40

32

101.3

97.17

65

14

30

80

16

30

80

16

40

33

104.3

100.20

65

14

30

80

16

30

80

16

40

34

107.3

103.23

65

14

30

80

16

30

85

16

40

35

110.4

106.26

65

14

30

80

16

30

85

16

40

36

113.4

109.29

70

16

30

90

16

30

90

16

40

37

116.4

112.32

70

16

30

90

16

30

90

16

40

38

119.5

115.34

70

16

30

90

16

30

90

16

40

39

122.5

118.37

70

16

30

90

16

30

90

16

40

40

125.5

121.40

70

16

30

90

16

30

90

16

40

50

155.7

151.69

78

20

35

57

176.9

172.91

78

20

35

88

20

50

60

186.0

181.99

78

20

35

76

234.9

230.49

78

20

35

* Bore Ø H12

All dimensions in mm. Intermediate sizes & special sprockets to drawing up to 1000mm diameter. Standard: to DIN 8187 ISO/R 606

Available from stock

Special order – typically 7-10 days

NB. Please refer to page 584 for tooth sizes above 76 teeth.