| No. Teeth | Outside Diam. | Pitch Diam. | Simplex | Duplex | | dm | D1 | A | dm | D1 | A | | 8 | 24 | 20.9 | 13 | 6 | 12 | 12 | 8 | 18 | | 9 | 26.6 | 23.39 | 15 | 6 | 12 | 15 | 8 | 18 | | 10 | 29.2 | 25.89 | 17 | 8 | 12 | 17 | 8 | 18 | | 11 | 31.7 | 28.39 | 18 | 8 | 13 | 19 | 10 | 18 | | 12 | 34.2 | 30.91 | 20 | 8 | 13 | 21 | 10 | 18 | | 13 | 36.7 | 33.42 | 23 | 8 | 13 | 24 | 10 | 18 | | 14 | 39.2 | 35.95 | 25 | 8 | 13 | 26 | 10 | 18 | | 15 | 41.7 | 38.48 | 28 | 8 | 13 | 29 | 10 | 18 | | 16 | 44.3 | 41.01 | 30 | 8 | 14 | 32 | 10 | 20 | | 17 | 46.8 | 43.53 | 30 | 8 | 14 | 34 | 10 | 20 | | 18 | 49.3 | 46.07 | 30 | 8 | 14 | 37 | 10 | 20 | | 19 | 51.9 | 48.61 | 30 | 8 | 14 | 39 | 10 | 20 | | 20 | 54.4 | 51.14 | 30 | 8 | 14 | 40 | 10 | 20 | | 21 | 57 | 53.68 | 35 | 8 | 14 | 40 | 10 | 20 | | 22 | 59.5 | 56.21 | 35 | 8 | 14 | 40 | 10 | 20 | | 23 | 62 | 58.75 | 35 | 8 | 14 | 40 | 10 | 20 | | 24 | 64.6 | 61.29 | 35 | 8 | 14 | 40 | 10 | 20 | | 25 | 67.5 | 63.83 | 35 | 8 | 14 | 40 | 10 | 20 | | 28 | 69.5 | 66.37 | 40 | 10 | 16 | 50 | 12 | 22 | | 27 | 72.2 | 68.91 | 40 | 10 | 16 | 50 | 12 | 22 | | 28 | 74.8 | 71.45 | 40 | 10 | 16 | 50 | 12 | 22 | | 29 | 77.3 | 73.99 | 40 | 10 | 16 | 50 | 12 | 22 | | 30 | 79.8 | 76.53 | 40 | 10 | 16 | 50 | 12 | 22 | | 31 | 82.4 | 79.08 | 40 | 10 | 16 | 60 | 12 | 22 | | 32 | 84.9 | 81.61 | 40 | 10 | 16 | 60 | 12 | 22 | | 33 | 87.5 | 84.16 | 40 | 10 | 16 | 60 | 12 | 22 | | 34 | 90 | 86.7 | 40 | 10 | 16 | 60 | 12 | 22 | | 35 | 92.5 | 89.25 | 40 | 10 | 16 | 60 | 12 | 22 | | 36 | 95 | 91.79 | 40 | 10 | 16 | 60 | 12 | 22 | | 37 | 97.6 | 94.33 | 40 | 10 | 16 | 60 | 12 | 22 | | 38 | 100.2 | 96.88 | 40 | 10 | 16 | 60 | 12 | 22 | | 39 | 102.7 | 99.42 | 40 | 10 | 16 | 60 | 12 | 22 | | 40 | 105.3 | 101.97 | 40 | 10 | 16 | 60 | 12 | 22 | | 45 | 118 | 114.69 | 60 | 12 | 20 | | | | | 50 | 130.7 | 127.41 | 60 | 12 | 20 | | | | | 57 | 148.6 | 145.22 | 80 | 14 | 20 | | | | | 76 | 197.7 | 193.59 | 80 | 20 | 25 | | | |
| Sprockets 8 x 3mm British Standard Steel C45, UNI7845 
for 57 teeth dimension 'h' = 4mm for 76 teeth dimension 'h' = 4mm
| Stock sizes | | Available on short delivery |
Tooth Radius r3 = 8 Radius size C = 1.0 Tooth width B1 = 2.8 Tooth width b1 = 2.7 Tooth width B2 = 8.3 All dimensions in mm Intermediate sizes & special sprockets to drawing up to 1000mm diameter Standard : to DIN 8187 ISO/R 606
Please note : All dimensions including bore sizes subject to change. If a dimension is critical to your application please contact our sales department for confirmation. for special sprockets or reworked sprockets please contact our manufacturing department. |