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BS chain sprockets (BS4116 Part 4)

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Tradition has seen the employment of cast iron sprockets for standard applications. Where pattern equipment is not available or duty demands higher specifications sprockets will be offered in fabricated form. Cast sprockets to BS standard are available as follows.

BS chain sprockets (BS4116 Part 4)
22.6

Table 22.12 6,000 lbs, 27,000 kN and 7,500 lbs, 43,000 kN BREAKING LOAD

Pitch

No of Teeth

JK part No

Dp

De

Dg

Sj

Dm

Sh

Sm

Weight approx

inches

mm

mm

kg

2.0

50.8

8

SP43/0508/8T

132.74

144

76

12.5

51

2.3

12

SP43/0508/12T

196.27

212

102

12.5

51

5.4

3.0

76.2

8

SP43/0762/8T

199.11

215

102

12.5

51

5.4

10

SP43/0762/10T

246.58

264

193

25

114

12.5

64

8.6

12

SP43/0762/12T

294.41

314

243

25

114

12.5

64

10.0

4.0

101.6

8

SP43/1016/8T

265.51

281

204

25

114

12.5

64

8.6

10

SP43/1016/10T

328.78

347

272

25

114

12.5

64

13.8

12

SP43/1016/12T

392.56

411

338

25

127

12.5

70

16.1

6.0

152.4

8

SP43/1524/8T

398.25

414

326

25

127

12.5

70

19.7

12

SP43/1524/12T

588.82

608

527

25

133

12.5

76

34.2

Table 22.13 12,000 lbs, 55,000 kN and 15,000 lbs, 75,000 kN BREAKING LOAD

Pitch

No of Teeth

JK part No

Dp

Dm

Dg

Sj

De

Sh

Sm

Weight approx

inches

mm

mm

kg

3.0

76.2

8

SP75/0762/8T

199.11

218

114

16

70

8.4

12

SP75/0762/12T

294.41

318

230

32

133

16

76

15.0

4.0

101.6

8

SP75/1016/8T

265.51

286

192

32

127

16

70

10.9

12

SP75/1016/12T

392.56

415

325

32

140

16

76

20.2

6.0

152.4

8

SP75/1524/8T

398.25

418

314

32

140

16

76

21.5

12

SP75/1524/12T

588.82

612

514

32

165

16

89

41.3

Table 22.14 24,000 lbs, 110,000 kN and 30,000 lbs, 135,000 kN BREAKING LOAD

Pitch

No of Teeth

JK part No

Dp

Dm

Dg

Sj

De

Sh

Sm

Weight approx

inches

mm

mm

kg

4.0

101.6

8

SP135/1016/8T

265.51

290

152

19

83

16.6

12

SP135/1016/12T

392.56

420

312

38

165

19

95

31.3

6.0

152.4

8

SP135/1524/8T

398.25

423

301

38

165

19

95

32.2

12

SP135/1524/12T

588.82

617

502

38

196

19

130

63.0

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