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About Roller Chain and Sprockets
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Sprockets for ANSI Roller Chain

With Keyway
Mount these sprockets onto your shaft and secure with a set screw—no machining necessary.
For ANSI 40 Roller Chain (1/2" Pitch)

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
46 | 3/4" | 7.61" | 1 1/8" | 3 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 000000 |
46 | 7/8" | 7.61" | 1 1/8" | 3 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
46 | 1" | 7.61" | 1 1/8" | 3 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
46 | 1 1/4" | 7.61" | 1 1/8" | 3 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
46 | 1 3/8" | 7.61" | 1 1/8" | 3 1/2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
46 | 1 1/2" | 7.61" | 1 1/8" | 3 1/2" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
High-Strength GT Timing Belt Pulleys
For higher speed or higher torque applications, these GT series timing belt pulleys provide a more precise fit than HTD pulleys. Use them where accuracy is critical, such as in storage and retrieval systems or in robotics. Similar to HTD timing belt pulleys, their teeth are curved for high strength. The curved teeth create positive grip engagement with timing belts, so these pulleys do not require re-tensioning—unlike drives using V-belts or sheaves. And unlike chain drives, there’s no metal-on-metal contact, so these pulleys don’t require lubrication.
Bushing Mount

Without Hub—Two Flanges


Without Hub—Two Flanges
Number of Teeth | Pitch, mm | ID | Bore Type | For Bushing Style | Inside Width, mm | Outside Width, mm | Overall Width, mm | Pitch Diameter, mm | Number of Flanges | Fabrication | Material | Each | |
For 40 mm Maximum Belt Width | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
46 | 14 | 3.375" | Plain | Taper-Lock Style 2517 | 46.23 | 54.1 | 54.1 | 204.978 | 2 | Machined | Black-Oxide Iron | 00000000 | 0000000 |