Site encryption and secure transactions
We accept PayPal, Mastercard, Visa and more
To mainland UK on orders of £100+
Site encryption and secure transactions
We accept PayPal, Mastercard, Visa and more
To mainland UK on orders of £100+
Tooth radius: r3 = 6
Radius size: C = 0.7
Tooth width: B1 = 2.6
Type B for 57 & 76 teeth only, dimension h = 4mm
| No. teeth | Outside dia. de | Pitch dia. dp | Boss dia. | Bore D1* | Overall width A |
|---|---|---|---|---|---|
| 8 | 18.0 | 15.67 | 9.8 | 5 | 10 |
| 9 | 19.9 | 17.54 | 11.5 | 5 | 10 |
| 10 | 21.7 | 19.42 | 13 | 6 | 10 |
| 11 | 23.6 | 21.30 | 14 | 6 | 10 |
| 12 | 25.4 | 23.18 | 16 | 6 | 10 |
| 13 | 27.3 | 25.05 | 18 | 8 | 10 |
| 14 | 29.2 | 26.96 | 20 | 8 | 10 |
| 15 | 31.0 | 28.86 | 20 | 8 | 10 |
| 16 | 33.0 | 30.76 | 20 | 8 | 13 |
| 17 | 35.0 | 32.65 | 20 | 8 | 13 |
| 18 | 36.9 | 34.55 | 20 | 8 | 13 |
| 19 | 38.8 | 36.44 | 20 | 8 | 13 |
| 20 | 40.7 | 38.34 | 20 | 8 | 13 |
| 21 | 42.6 | 40.25 | 25 | 8 | 13 |
| 22 | 44.5 | 42.16 | 25 | 8 | 13 |
| 23 | 46.4 | 44.06 | 25 | 8 | 13 |
| 24 | 48.3 | 45.96 | 25 | 8 | 13 |
| 25 | 50.2 | 47.87 | 25 | 8 | 13 |
| 26 | 52.1 | 49.76 | 30 | 8 | 15 |
| 27 | 54.0 | 51.67 | 30 | 8 | 15 |
| 28 | 55.9 | 53.58 | 30 | 8 | 15 |
| 29 | 57.8 | 55.50 | 30 | 8 | 15 |
| 30 | 59.8 | 57.42 | 30 | 8 | 15 |
| 31 | 61.7 | 59.31 | 30 | 8 | 15 |
| 32 | 63.6 | 61.21 | 30 | 8 | 15 |
| 33 | 65.5 | 63.11 | 30 | 8 | 15 |
| 34 | 67.4 | 65.02 | 30 | 8 | 15 |
| 35 | 69.3 | 66.93 | 30 | 8 | 15 |
| 36 | 71.2 | 68.84 | 30 | 8 | 15 |
| 37 | 73.1 | 70.75 | 30 | 8 | 15 |
| 38 | 75.0 | 72.66 | 30 | 8 | 15 |
| 39 | 76.9 | 74.56 | 30 | 8 | 15 |
| 40 | 78.9 | 76.47 | 30 | 8 | 15 |
| 45 | 88.5 | 86.01 | 40 | 10 | 16 |
| 50 | 98.0 | 95.55 | 50 | 12 | 20 |
| 57 | 111.4 | 108.93 | 50 | 12 | 20 |
| 76 | 147.6 | 145.19 | 80 | 16 | 20 |
* Bore Ø H12
All dimensions in mm. Intermediate sizes & special sprockets to drawing up to 1000mm diameter. Standard to ISO/R 606