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 = 13
Radius size: C = 1.3
Tooth width: B1 = 7.2
Tooth width: b1 = 7.0
Tooth width: B2 = 21.0
Tooth width: B3 = 34.9
| No. teeth | Outside dia. de | Pitch dia. dp | Simplex | Duplex | Triplex | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| dm | D1* | A | dm | D1* | A | dm | D1* | A | |||
| 8 | 37.2 | 33.18 | 20 | 10 | 25 | 20 | 10 | 32 | 20 | 10 | 46 |
| 9 | 41.0 | 37.13 | 24 | 10 | 25 | 24 | 10 | 32 | 24 | 12 | 46 |
| 10 | 45.2 | 41.10 | 26 | 10 | 25 | 28 | 10 | 32 | 28 | 12 | 46 |
| 11 | 48.7 | 45.07 | 29 | 10 | 25 | 22 | 12 | 35 | 32 | 14 | 50 |
| 12 | 53.0 | 49.07 | 33 | 10 | 28 | 35 | 12 | 35 | 35 | 14 | 50 |
| 13 | 57.4 | 53.06 | 37 | 10 | 28 | 38 | 12 | 35 | 38 | 14 | 50 |
| 14 | 61.8 | 57.07 | 41 | 10 | 28 | 42 | 12 | 35 | 42 | 14 | 50 |
| 15 | 65.5 | 61.09 | 45 | 10 | 28 | 46 | 12 | 35 | 46 | 14 | 50 |
| 16 | 69.5 | 65.10 | 50 | 12 | 28 | 50 | 14 | 35 | 50 | 16 | 50 |
| 17 | 73.6 | 69.11 | 52 | 12 | 28 | 54 | 14 | 35 | 54 | 16 | 50 |
| 18 | 77.8 | 73.14 | 56 | 12 | 28 | 58 | 14 | 35 | 58 | 16 | 50 |
| 19 | 81.7 | 77.16 | 60 | 12 | 28 | 62 | 14 | 35 | 62 | 16 | 50 |
| 20 | 85.8 | 81.19 | 64 | 12 | 28 | 66 | 14 | 35 | 66 | 16 | 50 |
| 21 | 89.7 | 85.22 | 68 | 12 | 28 | 70 | 16 | 40 | 70 | 20 | 55 |
| 22 | 93.8 | 89.24 | 70 | 12 | 28 | 70 | 16 | 40 | 70 | 20 | 55 |
| 23 | 98.2 | 93.27 | 70 | 14 | 28 | 70 | 16 | 40 | 70 | 20 | 55 |
| 24 | 101.8 | 97.29 | 70 | 14 | 28 | 75 | 16 | 40 | 75 | 20 | 55 |
| 25 | 105.8 | 101.33 | 70 | 14 | 28 | 80 | 16 | 40 | 80 | 20 | 55 |
| 26 | 110.0 | 105.36 | 70 | 16 | 30 | 85 | 20 | 40 | 85 | 20 | 55 |
| 27 | 114.0 | 109.40 | 70 | 16 | 30 | 85 | 20 | 40 | 85 | 20 | 55 |
| 28 | 118.0 | 113.42 | 70 | 16 | 30 | 90 | 20 | 40 | 90 | 20 | 55 |
| 29 | 122.0 | 117.46 | 80 | 16 | 30 | 95 | 20 | 40 | 95 | 20 | 55 |
| 30 | 126.1 | 121.50 | 80 | 16 | 30 | 100 | 20 | 40 | 100 | 20 | 55 |
| 31 | 130.2 | 125.54 | 90 | 16 | 30 | 100 | 20 | 40 | 110 | 20 | 55 |
| 32 | 134.3 | 129.56 | 90 | 16 | 30 | 100 | 20 | 40 | 110 | 20 | 55 |
| 33 | 138.4 | 133.60 | 90 | 16 | 30 | 100 | 20 | 40 | 110 | 20 | 55 |
| 34 | 142.6 | 137.64 | 90 | 16 | 30 | 100 | 20 | 40 | 110 | 20 | 55 |
| 35 | 146.7 | 141.68 | 90 | 16 | 30 | 100 | 20 | 40 | 110 | 20 | 55 |
| 36 | 151.0 | 145.72 | 90 | 16 | 35 | 110 | 20 | 40 | 120 | 25 | 55 |
| 37 | 154.6 | 149.76 | 90 | 16 | 35 | 110 | 20 | 40 | 120 | 25 | 55 |
| 38 | 158.6 | 153.80 | 90 | 16 | 35 | 110 | 20 | 40 | 120 | 25 | 55 |
| 39 | 162.7 | 157.83 | 90 | 16 | 35 | 110 | 20 | 40 | 120 | 25 | 55 |
| 40 | 166.8 | 161.87 | 90 | 16 | 35 | 110 | 20 | 40 | 120 | 25 | 55 |
| 45 | 188.0 | 182.07 | 88 | 20 | 42 | – | – | – | – | – | – |
| 57 | 236.4 | 230.54 | 88 | 20 | 42 | 108 | 25 | 55 | – | – | – |
| 60 | 248.6 | 242.66 | 80 | 20 | 42 | – | – | – | – | – | – |
| 64 | 265.1 | 258.82 | 80 | 20 | 42 | – | – | – | – | – | – |
* Bore Ø H12
All dimensions in mm. Intermediate sizes & special sprockets to drawing up to 1000mm diameter. Standard to ISO/R 606
| Cast Iron Sprockets (08B) 1/2″ x 5/16″ (British Standard) to ISO/R 606 |
|---|
| No. teeth | de | dp | Simplex | Duplex | Triplex | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| dm | D1* | A | dm | D1* | A | dm | D1* | A | |||
| 38 | 158.6 | 153.80 | 70 | 19 | 40 | 90 | 23 | 50 | 100 | 23 | 60 |
| 45 | 188.0 | 182.07 | 70 | 19 | 40 | 90 | 23 | 50 | 100 | 23 | 60 |
| 57 | 236.4 | 230.54 | 70 | 19 | 40 | 90 | 23 | 50 | 100 | 23 | 60 |
| 76 | 313.3 | 307.33 | 80 | 23 | 40 | 100 | 23 | 56 | 100 | 23 | 60 |
| **95 | 390.1 | 384.11 | 80 | 23 | 45 | 100 | 23 | 56 | 120 | 23 | 67 |
| **114 | 466.9 | 460.90 | 80 | 23 | 45 | 100 | 23 | 63 | 120 | 23 | 67 |
** Simplex sprockets with rim reinforcement on both sides
| Tooth radius: r3 = 13 Radius size: C = 1.3 Tooth width: B1 = 7.2 |
Tooth width: b1 = 7.0 Tooth width: B2 = 21.0 Tooth width: B3 = 34.9 |