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Site encryption and secure transactions
We accept PayPal, Mastercard, Visa and more
To mainland UK on orders of £100+
| Code | Type | No. teeth | De | Dp | Df | Dm | F | L | Bore | Max. bore | No. flanges |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AL21AT3/15-2 | 1F | 15 | 13.91 | 14.32 | 19 | 10 | 15 | 21 | 4 | 4 | 2 |
| AL21AT3/16-2 | 1F | 16 | 14.87 | 15.38 | 20 | 10 | 15 | 21 | 4 | 5 | 2 |
| AL21AT3/18-2 | 1F | 18 | 16.78 | 17.19 | 23 | 12 | 15 | 21 | 4 | 7 | 2 |
| AL21AT3/20-2 | 1F | 20 | 18.69 | 19.10 | 24 | 14 | 15 | 21 | 4 | 9 | 2 |
| AL21AT3/22-2 | 1F | 22 | 20.60 | 21.01 | 27 | 14 | 15 | 21 | 6 | 11 | 2 |
| AL21AT3/24-2 | 1F | 24 | 22.51 | 22.92 | 28 | 14 | 15 | 21 | 6 | 13 | 2 |
| AL21AT3/25-2 | 1F | 25 | 23.46 | 23.87 | 30 | 14 | 15 | 21 | 6 | 14 | 2 |
| AL21AT3/27-2 | 1F | 27 | 25.37 | 25.78 | 30 | 16 | 15 | 21 | 6 | 15 | 2 |
| AL21AT3/30-2 | 1F | 30 | 28.24 | 28.65 | 33 | 20 | 15 | 21 | 6 | 18 | 2 |
| AL21AT3/32-2 | 1F | 32 | 30.15 | 30.56 | 36 | 20 | 15 | 21 | 6 | 20 | 2 |
| AL21AT3/36-2 | 1F | 36 | 33.97 | 34.38 | 40 | 22 | 15 | 21 | 6 | 24 | 2 |
| AL21AT3/40-2 | 1F | 40 | 37.79 | 38.20 | 43 | 26 | 15 | 21 | 6 | 28 | 2 |
| AL21AT3/44-0 | 2 | 44 | 41.61 | 42.02 | – | 30 | 15 | 21 | 6 | 32 | 0 |
| AL21AT3/45-0 | 2 | 45 | 42.56 | 42.97 | – | 30 | 15 | 21 | 6 | 33 | 0 |
| AL21AT3/48-0 | 2 | 48 | 45.43 | 45.84 | – | 34 | 15 | 21 | 6 | 36 | 0 |
| AL21AT3/60-0 | 2 | 60 | 56.89 | 57.30 | – | 38 | 15 | 21 | 6 | 47 | 0 |
| AL21AT3/72-0 | 2 | 72 | 68.34 | 68.75 | – | 50 | 15 | 21 | 6 | 58 | 0 |
Please note: All dimensions subject to change. Pulleys may be Bored or Unbored.