Wippermann Marathon Maintenance Free lube-free lubrication-free roller chain duplex

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WIPPERMANN MARATHON Roller Chain - DUPLEX
LUBE-FREE - MAINTENANCE FREE - Never needs to be lubricated

W'mann Code

Pitch

Inner width b1 min

Outer width b2 max

Roller diam. d3 max

Pin diam. d1 h9

Plate height h max

Addl. length k mm

Total width i2 max

Row pitch e mm

Bearing area
f
cm²

Break load

Weight kg/m

mm

inch

DIN kN min

W kN mid

06B-2MA

9.525

3/8

5.72

8.53

6.35

3.28

8.2

3.3

23.8

10.24

0.56

16.9

17.7

0.78

08B-2MA

12.7

1/2

7.75

11.3

8.51

4.45

11.8

3.9

31.0

13.92

1.01

32.0

39.0

1.36

10B-2MA

15.875

5/8

9.65

13.28

10.16

5.08

14.7

4.1

36.2

16.59

1.34

44.5

55.0

1.82

12B-2MA

19.05

3/4

11.68

15.62

12.07

5.72

16.1

4.6

42.2

19.46

1.79

57.8

65.0

2.38

16B-2MA

25.4

1

17.02

25.4

15.88

8.28

21.0

5.4

68.0

31.88

4.21

106.0

149.5

5.30

20B-2MA

31.75

1 1/4

19.56

29.0

19.05

10.19

26.4

6.1

79.0

36.45

5.91

170.0

217.5

7.30

24B-2MA

38.1

1 1/2

25.4

37.9

25.40

14.63

33.4

6.6

101

48.36

11.09

280.0

366.0

13.40

Features include :
Ultra-high strength sintered bushes	Corrosion resistant side plates and rollers
Sealed joints	Non-wearing pins


No. 11 Spring clip	No. 111 Cotter pin link	No. 12 Single crank link

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