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High-Strength HTD Timing Belt Pulleys
These HTD (high torque drive) pulleys have a curved tooth shape that provides higher strength than trapezoidal teeth. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width.
Bushing-mount pulleys grip the shaft more securely than pulleys that press fit. Quick-disconnect (QD) bushings and split-tapered bushings sold separately.
For technical drawings and 3-D models, click on a part number.
Bushing Mount
Bushing Mount
Bushing Mount
| For Belt Trade Size  | OD, mm | Number of Teeth | Pitch, mm | ID | Bore Type | For Bushing Style | Inside Wd., mm | Outside Wd., mm | Overall Wd., mm | Pitch Dia., mm | Number of Flanges | Fabrication | Material | Each | |
For 12 mm Max. Belt Wd. | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R8M | 74.6 | 26 | 8 | 1.346" | Finished | Quick Disconnect Style JA | 14.66 | 21.01 | 33.71 | 66.218 | 2 | Machined | Black-Oxide Steel | 00000000 | 0000000 |
| R8M | 80.16 | 28 | 8 | 1.574" | Finished | Split Tapered Style H | 14.66 | 21.01 | 30.54 | 71.298 | 2 | Machined | Black-Oxide Steel | 00000000 | 000000 |
| R8M | 84.94 | 30 | 8 | 1.574" | Finished | Split Tapered Style H | 14.66 | 21.01 | 30.54 | 76.403 | 2 | Machined | Black-Oxide Steel | 00000000 | 000000 |
| R8M | 90.48 | 32 | 8 | 1.574" | Finished | Split Tapered Style H | 14.66 | 21.01 | 30.54 | 81.483 | 2 | Machined | Black-Oxide Steel | 00000000 | 000000 |
For 22 mm Max. Belt Wd. | |||||||||||||||
| R8M | 74.6 | 26 | 8 | 1.346" | Finished | Quick Disconnect Style JA | 24.64 | 30.99 | 43.69 | 66.218 | 2 | Machined | Black-Oxide Steel | 00000000 | 000000 |
| R8M | 80.16 | 28 | 8 | 1.574" | Finished | Split Tapered Style H | 24.64 | 30.99 | 40.52 | 71.298 | 2 | Machined | Black-Oxide Steel | 00000000 | 000000 |
| R8M | 84.94 | 30 | 8 | 1.574" | Finished | Split Tapered Style H | 24.64 | 30.99 | 40.52 | 76.403 | 2 | Machined | Black-Oxide Steel | 00000000 | 000000 |
| R8M | 90.48 | 32 | 8 | 1.574" | Finished | Split Tapered Style H | 24.64 | 30.99 | 30.99 | 81.483 | 2 | Machined | Black-Oxide Steel | 00000000 | 000000 |