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Y1| Style | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | Set Screw Size | For Chain Number | For Chain Pitch | Bore Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 50A12 | 12 | 2.4148" | 2.708" | 0.315" | - | 50 | 5/8" | Finished Bore | £40.41 | |
| B | 50A13 | 13 | 2.6116" | 2.911" | 0.315" | - | 50 | 5/8" | Finished Bore | £40.41 | |
| C | 50A14 | 14 | 2.8087" | 3.113" | 0.315" | - | 50 | 5/8" | Finished Bore | £40.41 | |
| D | 50A15 | 15 | 3.0061" | 3.315" | 0.315" | - | 50 | 5/8" | Finished Bore | £41.54 | |
| E | 50A16 | 16 | 3.2036" | 3.517" | 0.315" | - | 50 | 5/8" | Finished Bore | £42.08 | |
| F | 50A17 | 17 | 3.4014" | 3.718" | 0.315" | - | 50 | 5/8" | Finished Bore | £43.49 | |
| G | 50A18 | 18 | 3.5992" | 3 23/25" | 0.315" | - | 50 | 5/8" | Finished Bore | £44.04 | |
| H | 50A19 | 19 | 3.7972" | 4 3/25" | 0.315" | - | 50 | 5/8" | Finished Bore | £45.14 | |
| I | 50A20 | 20 | 3.9953" | 4.321" | 0.315" | - | 50 | 5/8" | Finished Bore | £45.99 | |
| J | 50A21 | 21 | 4.1934" | 4.522" | 0.315" | - | 50 | 5/8" | Finished Bore | £47.10 | |
| K | 50A21SS | 21 | 4.194" | 4.522" | 0.338" | - | 50 | 5/8" | Finished Bore | £402.23 | |
| L | 50A22 | 22 | 4.3917" | 4.722" | 0.315" | - | 50 | 5/8" | Finished Bore | £49.05 | |
| M | 50A22SS | 22 | 4.392" | 4.722" | 0.338" | - | 50 | 5/8" | Finished Bore | £463.55 | |
| N | 50A23 | 23 | 4.59" | 4.922" | 0.315" | - | 50 | 5/8" | Finished Bore | £51.00 | |
| M | 50A24SS | 24 | 4.788" | 5.123" | 0.338" | - | 50 | 5/8" | Finished Bore | £559.73 | |
| O | 50A24 | 24 | 4.7883" | 5.122" | 0.315" | - | 50 | 5/8" | Finished Bore | £51.28 | |
| P | 50A25 | 25 | 4.9867" | 5.322" | 0.315" | - | 50 | 5/8" | Finished Bore | £52.67 | |
| M | 50A25SS | 25 | 4.987" | 5.323" | 0.338" | - | 50 | 5/8" | Finished Bore | £573.63 | |
| Q | 50A26 | 26 | 5.1851" | 5.522" | 0.315" | - | 50 | 5/8" | Finished Bore | £55.19 | |
| M | 50A26SS | 26 | 5.185" | 5.523" | 0.338" | - | 50 | 5/8" | Finished Bore | £641.23 | |
| R | 50A27 | 27 | 5.3836" | 5.722" | 0.315" | - | 50 | 5/8" | Finished Bore | £57.14 | |
| S | 50A28 | 28 | 5.5821" | 5.922" | 0.315" | 3/4"-10 | 50 | 5/8" | Finished Bore | £58.26 | |
| T | 50A28SS | 28 | 5.582" | 5.922" | 0.338" | - | 50 | 5/8" | Finished Bore | £661.68 | |
| U | 50A29 | 29 | 5.7807" | 6.122" | 0.315" | - | 50 | 5/8" | Finished Bore | £60.18 | |
| M | 50A30SS | 30 | 5.979" | 6.321" | 0.338" | - | 50 | 5/8" | Finished Bore | £692.33 | |
| V | 50A30 | 30 | 5.9792" | 6.321" | 0.315" | - | 50 | 5/8" | Finished Bore | £60.76 | |
| W | 50A31 | 31 | 6.1778" | 6.521" | 0.315" | - | 50 | 5/8" | Finished Bore | £63.82 | |
| X | 50A32 | 32 | 6.3764" | 6.721" | 0.315" | 5/16"-18 | 50 | 5/8" | Finished Bore | £64.37 | |
| Y | 50A33 | 33 | 6.5751" | 6 23/25" | 0.315" | - | 50 | 5/8" | Finished Bore | £68.27 | |
| Z | 50A34 | 34 | 6.7737" | 7 3/25" | 0.315" | - | 50 | 5/8" | Finished Bore | £69.38 | |
| A1 | 50A35SS | 35 | 6.973" | 7.319" | 0.338" | - | 50 | 5/8" | Finished Bore | £716.97 | |
| B1 | 50A35 | 35 | 6.9724" | 7.319" | 0.315" | - | 50 | 5/8" | Finished Bore | £70.22 | |
| C1 | 50A36 | 36 | 7.1711" | 7.519" | 0.315" | - | 50 | 5/8" | Finished Bore | £71.87 | |
| D1 | 50A37 | 37 | 7.3698" | 7.718" | 0.315" | - | 50 | 5/8" | Finished Bore | £73.86 | |
| E1 | 50A38 | 38 | 7.5685" | 7.918" | 0.315" | - | 50 | 5/8" | Finished Bore | £75.53 | |
| F1 | 50A39 | 39 | 7.7672" | 8.117" | 0.315" | - | 50 | 5/8" | Finished Bore | £76.90 | |
| G1 | 50A40 | 40 | 7.9659" | 8.316" | 0.315" | - | 50 | 5/8" | Finished Bore | £77.47 | |
| H1 | 50A40SS | 40 | 7.966" | 8.316" | 0.338" | - | 50 | 5/8" | Finished Bore | £788.76 | |
| I1 | 50A41 | 41 | 8.1647" | 8.516" | 0.315" | - | 50 | 5/8" | Finished Bore | £78.86 | |
| J1 | 50A42 | 42 | 8.3634" | 8.715" | 0.315" | - | 50 | 5/8" | Finished Bore | £80.54 | |
| K1 | 50A43 | 43 | 8.5622" | 8.914" | 0.315" | - | 50 | 5/8" | Finished Bore | £83.04 | |
| F1 | 50A44 | 44 | 8.761" | 9.114" | 0.315" | - | 50 | 5/8" | Finished Bore | £86.10 | |
| L1 | 50A45SS | 45 | 8 24/25" | 9.313" | 0.338" | - | 50 | 5/8" | Finished Bore | £860.56 | |
| M1 | 50A45 | 45 | 8.9597" | 9.313" | 0.315" | - | 50 | 5/8" | Finished Bore | £86.95 | |
| N1 | 50A46 | 46 | 9.1585" | 9.512" | 0.315" | - | 50 | 5/8" | Finished Bore | £88.60 | |
| O1 | 50A47 | 47 | 9.3573" | 9.711" | 0.315" | - | 50 | 5/8" | Finished Bore | £90.55 | |
| P1 | 50A48 | 48 | 9.5561" | 9.911" | 0.315" | - | 50 | 5/8" | Finished Bore | £91.68 | |
| F1 | 50A49 | 49 | 9.7549" | 10.11" | 0.315" | - | 50 | 5/8" | Finished Bore | £94.19 | |
| Q1 | 50A50 | 50 | 9.9537" | 10.309" | 0.315" | - | 50 | 5/8" | Finished Bore | £98.10 | |
| F1 | 50A51 | 51 | 10.1525" | 10.508" | 0.315" | - | 50 | 5/8" | Finished Bore | £96.44 | |
| R1 | 50A52 | 52 | 10.3514" | 10.707" | 0.315" | - | 50 | 5/8" | Finished Bore | £97.52 | |
| F1 | 50A53 | 53 | 10.5502" | 10.907" | 0.315" | - | 50 | 5/8" | Finished Bore | £98.31 | |
| S1 | 50A54 | 54 | 10.749" | 11.106" | 0.315" | - | 50 | 5/8" | Finished Bore | £99.36 | |
| F1 | 50A55 | 55 | 10.9479" | 11.305" | 0.315" | - | 50 | 5/8" | Finished Bore | £102.93 | |
| T1 | 50A56 | 56 | 11.1467" | 11.504" | 0.315" | - | 50 | 5/8" | Finished Bore | £109.60 | |
| U1 | 50A57 | 57 | 11.3455" | 11.703" | 0.315" | - | 50 | 5/8" | Finished Bore | £109.60 | |
| F1 | 50A58 | 58 | 11.5444" | 11.902" | 0.315" | - | 50 | 5/8" | Finished Bore | £110.35 | |
| V1 | 50A59 | 59 | 11.7432" | 12.102" | 0.315" | - | 50 | 5/8" | Finished Bore | £110.35 | |
| W1 | 50A60SS | 60 | 11.942" | 12.301" | 0.338" | - | 50 | 5/8" | Finished Bore | £974.84 | |
| X1 | 50A60 | 60 | 11.9421" | 12.301" | 0.315" | - | 50 | 5/8" | Finished Bore | £111.37 | |
| Y1 | 50A70 | 70 | 13.9307" | 14.292" | 0.315" | - | 50 | 5/8" | Finished Bore | £103.54 |