Belt width

d

l

d ₁

b

n

m

300

63.5,76,89

160,380

20

14

10

4

400

160,250,500

500

200,315,600

650

76,89,108

250,380,750

800

89,108,133

315,465,495

25

18

12

1000

108,133,159

380,600,1150

1200

465,700,1400

30

22

1400

530,800,1600

1600

133,159,194

600,900,1800

1800

670,1000,2000

35

2000

750,1100,2200

2200

800,1250,2500

2400

159,194,219

900,1400,2800

45

32

2600

950,1500,3000

2800

1050,1600,3150

50