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Metric Welded Bush Chains

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Precision laser cutting and fabrication service

These chains have proven to be the most reliable conveying medium when it comes to the aggressive nature of log yard applications. They are typical where continued impact and abrasion affect the operational life of the chain system employed. These chains include fully heat treated parts, with welded pin and bush to ensure maximum chain life and performance.

Metric Welded Bush Chains
Metric Welded Bush Chains - drawing

JKB500

Metric Welded Bush Chains - JKB500

Metric Welded Bush Chains

Chain
Number

Breaking
Load

Pitch

Inner width

Pin

Bush

Side plates

Plain roller

Outer width

Weight

Height

Thickness

P

L

D6

D5

H

S1

S

S, Grov

D2

F1

A

A, Grov

B

B, Grov

kN

mm

kg/m

JKB5,5

55

63

22

12

18

30

5

4

6

40

50

4.0

4.6

55

80

22

12

18

30

5

4

6

40

50

3.6

4.2

55

100

22

12

18

30

5

4

6

40

50

3.4

4.0

5.0

5.6

JKB8,5

85

80

25

14

20

35

6

5

8

50

59

5.2

6.4

85

100

25

14

20

35

6

5

8

50

59

4.8

5.8

8.0

9.0

85

150

25

14

20

35

6

5

8

50

59

4.2

5.2

6.4

7.4

JKB12,5

125

100

35

18

25

40

8

6

8

60

75

7.8

8.6

125

150

35

18

25

40

8

6

8

60

75

6.6

7.4

11.4

12.2

JKB18

240

150

45

20

30

50

8

6

10

70

91

9.2

11.2

16.4

18.4

240

200

45

20

30

50

8

6

10

70

91

8.2

10.2

13.8

15.8

JKB24

350

150

55

26

36

60

10

8

12

80

110

14.5

17.0

26.0

28.5

350

200

55

26

36

60

10

8

12

80

110

13.5

16.0

22.0

24.5

350

250

55

26

36

60

10

8

12

80

110

12.5

14.5

19.5

21.5

JKB30

400

150

65

30

42

70

10

8

12

90

121

19.0

22.5

36.0

39.5

400

200

65

30

42

70

10

8

12

90

121

17.0

20.0

29.5

32.5

400

250

65

30

42

70

10

8

12

90

121

15.5

18.5

26.0

29.0

JKB40

520

200

80

36

50

80

12

10

12

110

142

26.0

27.5

49.0

50.5

520

250

80

36

50

80

12

10

12

110

142

23.5

25.0

41.5

43.0

JKB65

800

200

80

36

50

90

15

15

110

154

34.5

37.5

57.5

60.5

800

250

80

36

50

90

15

15

110

154

31.5

34.0

50.0

52.5

JKB500

500

160

65

26

40

70

12

55

124

22.5

500

200

65

26

40

70

12

55

124

20.8

Options (*)
Specifications (x) = basic

JKB5,5

JKB8,5

JKB12,5

JKB18

JKB24

JKB30

JKB40

JKB65

JKB500

* Side plates with induction hardened wear surfaces

*

*

*

*

*

*

With case hardened bushings

x

x

x

x

x

x

x

x

x

With case hardened pins

x

x

x

x

x

x

With induction hardened pins

x

x

x

With welded pins

*

*

*/x

x

x

x

x

x

x

With welded bushings

*/x

x

x

x

x

x

With stainless pins + bushings

*

*

*

*

*

*

*

*

*

Side plates with smoothed corners

*

*

*

*

*

*

*

*

*

Lubricated joints

x

x

x

x

x

x

x

x

x

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