JB chain

No.

Pitch

Roller
dimensions

Pin
dimensions

Plate
dimensions

Weight
per meter

P

d1
max

d8
max

b1
max

b8
max

d2
max

L
max

Lc
max

h2
max

T
max

t
max

q

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

kg/m

BS25-C206B

19.05

11.91

18.3

4.0

8.0

3.28

24.0

25.6

8.2

1.3

1.5

0.52

BS25-C208A

25.4

15.88

24.6

5.7

10.3

3.96

31.0

32.8

11.7

1.5

1.5

0.79

BS25-C210A

31.75

19.05

30.6

7.1

13.0

5.08

39.5

41.2

15.0

2.03

2.03

1.36

BS25-C212A

38.1

22.23

36.6

8.5

15.5

5.94

48.8

50.5

18.0

3.25

3.25

2.19

BS30-C206B

19.05

9.0

18.3

4.5

9.1

3.28

26.3

29.6

7.28

1.3

1.5

0.50

BS30-C208A

25.4

11.91

24.6

6.1

12.5

3.96

35.6

39.5

6.90

1.5

2.0

0.83

BS30-C210A

31.75

14.80

30.6

7.5

15.0

5.08

43.0

47.1

12.2

2.0

2.4

1.27

BS30-C212A

38.1

18.0

37.0

9.75

20.0

5.94

58.1

62.7

15.0

3.0

4.0

2.14