Roller

Dia of roller D

Roller Appropriate cable dia.

Roller size

Roller Weight (kg)

Steel wire strength

Hemp

rope

Synthetic

fiber rope

D1

H

s

Cast iron

(HT)

Cast steel

(ZG)

6*24

6*30

6*37

100

11

11

11

40

28

160

128

3

9.4

9.9

150

17

17.5

15

45

32

240

211

3

32.1

33.8

200

22.5

21.5

19.5

55

40

310

251

3

64.6

68.0

250

24

26

24

65

45

380

298

4

108

114.0

300

30

32.5

28

70

50

440

321

4

159

168.0

350

37.5

39

34.5

75

55

500

346

4

235

248.0

400

41

39

39

85

65

560

371

5

336

355.0

450

44.5

47.5

43

-

80

620

394

5

413

462.0