AT Series Timing Belt Pulleys
Made of aluminum, these pulleys have good corrosion resistance. The teeth match up with the grooves along the inside diameter of a timing belt in order to move components forward or backward. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width. Choose pulleys that have a diameter to match your shaft.





| OD, mm | Number of Teeth | Pitch, mm | For Shaft Dia., mm | Bore Type | Inside Wd., mm | Outside Wd., mm | Overall Wd., mm | Pitch Dia., mm | Number of Flanges | Fabrication | Material | Hub Dia., mm | Each | |
For 16 mm Max. Belt Wd. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 60 | 18 | 10 | 10 | Plain | 18 | 22 | 31 | 57.3 | 2 | Machined | Aluminum | 40 | 00000000 | 000000 |
| 66 | 20 | 10 | 12 | Plain | 18 | 22 | 31 | 63.7 | 2 | Machined | Aluminum | 46 | 00000000 | 00000 |
| 75 | 22 | 10 | 12 | Plain | 18 | 22 | 31 | 70 | 2 | Machined | Aluminum | 50 | 00000000 | 00000 |
| 83 | 24 | 10 | 12 | Plain | 18 | 22 | 31 | 76.4 | 2 | Machined | Aluminum | 58 | 00000000 | 00000 |
| 83 | 25 | 10 | 12 | Plain | 18 | 22 | 31 | 79.6 | 2 | Machined | Aluminum | 60 | 00000000 | 00000 |
| 91 | 27 | 10 | 12 | Plain | 18 | 22 | 31 | 86 | 2 | Machined | Aluminum | 60 | 00000000 | 00000 |
| 97 | 30 | 10 | 12 | Plain | 18 | 22 | 31 | 95.5 | 2 | Machined | Aluminum | 60 | 00000000 | 00000 |
| 106 | 32 | 10 | 12 | Plain | 18 | 22 | 31 | 101.9 | 2 | Machined | Aluminum | 65 | 00000000 | 00000 |
| 119 | 36 | 10 | 16 | Plain | 18 | 22 | 31 | 114.6 | 2 | Machined | Aluminum | 70 | 00000000 | 00000 |
| 131 | 40 | 10 | 16 | Plain | 18 | 22 | 31 | 127.3 | 2 | Machined | Aluminum | 80 | 00000000 | 000000 |
| 138.2 | 44 | 10 | 16 | Plain | 18 | 22 | 31 | 140.1 | 2 | Machined | Aluminum | 90 | 00000000 | 000000 |
| 151 | 48 | 10 | 16 | Plain | __ | 22 | 31 | 152.8 | __ | Machined | Aluminum | 95 | 00000000 | 000000 |
| 189.1 | 60 | 10 | 16 | Plain | __ | 22 | 31 | 191 | __ | Machined | Aluminum | 110 | 00000000 | 000000 |
For 25 mm Max. Belt Wd. | ||||||||||||||
| 60.3 | 18 | 10 | 10 | Plain | 28 | 32 | 42 | 57.29 | 2 | Machined | Aluminum | 40 | 0000000 | 00000 |
| 66.7 | 20 | 10 | 12 | Plain | 28 | 32 | 42 | 63.65 | 2 | Machined | Aluminum | 46 | 0000000 | 00000 |
| 75 | 22 | 10 | 12 | Plain | 28 | 32 | 42 | 70.03 | 2 | Machined | Aluminum | 50 | 0000000 | 00000 |
| 83 | 24 | 10 | 12 | Plain | 28 | 32 | 42 | 76.39 | 2 | Machined | Aluminum | 58 | 0000000 | 00000 |
| 83 | 25 | 10 | 12 | Plain | 28 | 32 | 42 | 79.58 | 2 | Machined | Aluminum | 60 | 0000000 | 00000 |
| 90.6 | 27 | 10 | 12 | Plain | 28 | 32 | 42 | 85.95 | 2 | Machined | Aluminum | 60 | 0000000 | 00000 |
| 97 | 30 | 10 | 12 | Plain | 28 | 32 | 42 | 95.49 | 2 | Machined | Aluminum | 60 | 0000000 | 00000 |
| 106 | 32 | 10 | 12 | Plain | 28 | 32 | 42 | 101.86 | 2 | Machined | Aluminum | 65 | 0000000 | 00000 |
| 118.26 | 36 | 10 | 16 | Plain | 28 | 32 | 42 | 114.59 | 2 | Machined | Aluminum | 70 | 0000000 | 000000 |
| 131 | 40 | 10 | 16 | Plain | 28 | 32 | 42 | 127.32 | 2 | Machined | Aluminum | 80 | 0000000 | 000000 |
| 144 | 44 | 10 | 16 | Plain | 28 | 32 | 42 | 140.05 | 2 | Machined | Aluminum | 90 | 0000000 | 000000 |
| 150.95 | 48 | 10 | 16 | Plain | __ | 32 | 42 | 152.78 | __ | Machined | Aluminum | 95 | 0000000 | 000000 |
| 189.1 | 60 | 10 | 16 | Plain | __ | 32 | 42 | 190.98 | __ | Machined | Aluminum | 110 | 0000000 | 000000 |
For 50 mm Max. Belt Wd. | ||||||||||||||
| 60 | 18 | 10 | 10 | Plain | 53 | 57 | 66 | 57.3 | 2 | Machined | Aluminum | 40 | 00000000 | 00000 |
| 66 | 20 | 10 | 12 | Plain | 53 | 57 | 66 | 63.7 | 2 | Machined | Aluminum | 46 | 00000000 | 00000 |
| 75 | 22 | 10 | 12 | Plain | 53 | 57 | 66 | 70 | 2 | Machined | Aluminum | 50 | 00000000 | 00000 |
| 83 | 24 | 10 | 12 | Plain | 53 | 57 | 66 | 76.4 | 2 | Machined | Aluminum | 58 | 00000000 | 000000 |
| 83 | 25 | 10 | 12 | Plain | 53 | 57 | 66 | 79.6 | 2 | Machined | Aluminum | 60 | 00000000 | 000000 |
| 91 | 27 | 10 | 12 | Plain | 53 | 57 | 66 | 86 | 2 | Machined | Aluminum | 60 | 00000000 | 000000 |
| 97 | 30 | 10 | 12 | Plain | 53 | 57 | 66 | 95.5 | 2 | Machined | Aluminum | 60 | 00000000 | 000000 |
| 106 | 32 | 10 | 12 | Plain | 53 | 57 | 66 | 101.9 | 2 | Machined | Aluminum | 65 | 00000000 | 000000 |
| 119 | 36 | 10 | 16 | Plain | 53 | 57 | 66 | 114.6 | 2 | Machined | Aluminum | 70 | 00000000 | 000000 |
| 131 | 40 | 10 | 16 | Plain | 53 | 57 | 66 | 127.3 | 2 | Machined | Aluminum | 80 | 00000000 | 000000 |
| 138.2 | 44 | 10 | 16 | Plain | 53 | 57 | 66 | 140.1 | 2 | Machined | Aluminum | 90 | 00000000 | 000000 |
| 151 | 48 | 10 | 16 | Plain | __ | 57 | 66 | 152.8 | __ | Machined | Aluminum | 95 | 00000000 | 000000 |
| 189.1 | 60 | 10 | 16 | Plain | __ | 57 | 66 | 191 | __ | Machined | Aluminum | 110 | 00000000 | 000000 |
T Series Timing Belt Pulleys
Made of aluminum, these pulleys have good corrosion resistance. The teeth match up with the grooves along the inside diameter of a timing belt in order to move components forward or backward. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width. Pulleys without a shaft diameter have a pilot bore, so you can customize them to your needs.





| OD, mm | Number of Teeth | Pitch, mm | Bore Type | Inside Wd., mm | Outside Wd., mm | Overall Wd., mm | Pitch Dia., mm | Number of Flanges | Fabrication | Material | Hub Dia., mm | Each | |
For 16 mm Max. Belt Wd. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 42 | 12 | 10 | Plain | 16 | 21 | 31 | 38.35 | 2 | Machined | Aluminum | 28 | 0000000 | 000000 |
| 48 | 14 | 10 | Plain | 16 | 21 | 31 | 44.7 | 2 | Machined | Aluminum | 32 | 0000000 | 00000 |
For 25 mm Max. Belt Wd. | |||||||||||||
| 42 | 12 | 10 | Plain | 25 | 30 | 40 | 38.35 | 2 | Machined | Aluminum | 28 | 0000000 | 00000 |
| 51 | 15 | 10 | Plain | 25 | 30 | 40 | 47.9 | 2 | Machined | Aluminum | 32 | 0000000 | 00000 |
| 60 | 18 | 10 | Plain | 25 | 30 | 40 | 57.45 | 2 | Machined | Aluminum | 40 | 0000000 | 00000 |
| 66 | 19 | 10 | Plain | 25 | 30 | 40 | 60.6 | 2 | Machined | Aluminum | 44 | 0000000 | 00000 |
| 66 | 20 | 10 | Plain | 25 | 30 | 40 | 63.8 | 2 | Machined | Aluminum | 46 | 0000000 | 00000 |
| 75 | 22 | 10 | Plain | 25 | 30 | 40 | 70.15 | 2 | Machined | Aluminum | 52 | 0000000 | 00000 |
| 83 | 24 | 10 | Plain | 25 | 30 | 40 | 76.55 | 2 | Machined | Aluminum | 58 | 0000000 | 00000 |
| 93 | 28 | 10 | Plain | 25 | 30 | 40 | 89.25 | 2 | Machined | Aluminum | 60 | 0000000 | 00000 |
| 97 | 30 | 10 | Plain | 25 | 30 | 40 | 96.65 | 2 | Machined | Aluminum | 60 | 0000000 | 000000 |
| 120 | 36 | 10 | Plain | 25 | 30 | 40 | 114.75 | 2 | Machined | Aluminum | 70 | 0000000 | 000000 |
For 50 mm Max. Belt Wd. | |||||||||||||
| 60 | 18 | 10 | Plain | 50 | 56 | 66 | 57.45 | 2 | Machined | Aluminum | 40 | 0000000 | 00000 |
| 66 | 19 | 10 | Plain | 50 | 56 | 66 | 60.65 | 2 | Machined | Aluminum | 44 | 0000000 | 00000 |
| 83 | 24 | 10 | Plain | 50 | 56 | 66 | 76.55 | 2 | Machined | Aluminum | 58 | 0000000 | 000000 |
| 87 | 26 | 10 | Plain | 50 | 56 | 66 | 82.9 | 2 | Machined | Aluminum | 60 | 0000000 | 000000 |
| 97 | 30 | 10 | Plain | 50 | 56 | 66 | 95.65 | 2 | Machined | Aluminum | 60 | 0000000 | 000000 |
| 106 | 32 | 10 | Plain | 50 | 56 | 66 | 102 | 2 | Machined | Aluminum | 65 | 0000000 | 000000 |
| 120 | 36 | 10 | Plain | 50 | 56 | 66 | 114.75 | 2 | Machined | Aluminum | 70 | 0000000 | 000000 |
| 150.95 | 48 | 10 | Plain | __ | 56 | 66 | 152.95 | __ | Machined | Aluminum | 95 | 0000000 | 000000 |

























