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5SR20 10B-1 20 Tooth Simplex Pilot Bore Sprocket


£8.64


20 Tooth Simplex Sprockets
British Standard
10B-1 - 5/8" x 3/8"
Steel C45, UNI7845

Tooth Radius r3 = 16

Radius size C = 1.6

Tooth width B1 = 9.1

All dimensions in mm

Intermediate sizes & special platewheels to drawing

Standard : to DIN 8187 ISO/R 606

 
No. Teeth Outside Diam. Pitch Diam. Simplex
Dm d1 A
8 47.0 41.48 25 10 25
9 52.6 46.42 30 10 25
10 57.5 51.37 35 10 25
11 63.0 56.34 37 12 30
12 68.0 61.34 42 12 30
13 73.0 66.32 47 12 30
14 78.0 71.34 52 12 30
15 83.0 76.36 57 12 30
16 88.0 81.37 60 12 30
17 93.0 86.39 60 12 30
18 98.3 91.42 70 14 30
19 103.3 96.45 70 14 30
20 108.4 101.49 75 14 30
21 113.4 106.52 75 16 30
22 118.0 111.55 80 16 30
23 123.4 116.58 80 16 30
24 128.3 121.62 80 16 30
25 134.0 126.66 80 16 30
26 139.0 131.70 85 20 35
27 144.0 136.75 85 20 35
28 148.7 141.78 90 20 35
29 153.8 146.83 90 20 35
30 158.8 151.87 90 20 35
31 163.9 156.92 95 20 35
32 168.9 161.95 95 20 35
33 174.5 167.00 95 20 35
34 179.0 172.05 95 20 35
35 184.1 177.10 95 20 35
36 189.1 182.15 100 20 35
37 194.2 187.20 100 20 35
38 199.2 192.24 100 20 35
39 204.2 197.29 100 20 35
40 209.3 202.34 100 20 35
60 310.8 303.32 90 23 35





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