System of Measurement System of Measurement |
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Roller Chain Trade Size Roller Chain Trade Size |
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Bore Type Bore Type |
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| Finished | Machinable |
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| Round | Keyed |
OD OD | Show |
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OD OD | Hide |
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Component Component |
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 | Gear |
Shaft Mount Type Shaft Mount Type |
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Gear Pitch Gear Pitch |
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Roller Chain Standard Roller Chain Standard |
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For Roller Chain Strand Type For Roller Chain Strand Type |
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 | Single |
Sprocket Type Sprocket Type |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Roller Chain and Sprockets
More
About Gears
More
Sprockets for ANSI Roller Chain
Mount these sprockets onto your shaft and secure with a set screw—no machining necessary.
For technical drawings and 3-D models, click on a part number.
Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 40 | 1/2" | 3.33" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 000000 |
| 40 | 5/8" | 3.33" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 3/4" | 3.33" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 7/8" | 3.33" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 1" | 3.33" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 1 1/4" | 3.33" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 1 3/8" | 3.33" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
Machinable-Bore Sprockets for ANSI Roller Chain
For a custom fit on your shaft, these sprockets can be machined to your exact specifications. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size.
For technical drawings and 3-D models, click on a part number.
| Number of Teeth | For Shaft Dia. | For Max. Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 25 Roller Chain (1/4" Pitch) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 40 | 1/2" | 1 3/8" | 3.33" | 3/4" | 2" | Steel | 0000000 | 000000 |
Lightweight Sprockets for ANSI Roller Chain
Made of nylon, these sprockets are lightweight, quiet, and corrosion resistant. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size.
For technical drawings and 3-D models, click on a part number.
| Number of Teeth | For Shaft Dia. | For Max. Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 25 Roller Chain (1/4" Pitch) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 40 | 1/2" | 7/8" | 3.33" | 45/64" | 2" | Nylon Plastic | 00000000 | 000000 |
L Series Corrosion-Resistant Timing Belt Pulleys
Pulleys are anodized aluminum, which is more corrosion resistant than steel. All are L series (light) and have trapezoidal teeth. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width.
For technical drawings and 3-D models, click on a part number.
| OD | Number of Teeth | Pitch | For Shaft Dia. | Bore Type | Inside Wd. | Outside Wd. | Overall Wd. | Pitch Dia. | Number of Flanges | Fabrication | Material | Hub Dia. | Each | |
For 1/2" Max. Belt Wd. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.33" | 26 | 0.375" | 1/2" | Finished | 0.58" | 0.75" | 1.375" | 3.104" | 2 | Machined | Anodized Aluminum | 2.25" | 0000000 | 000000 |
For 3/4" Max. Belt Wd. | ||||||||||||||
| 3.33" | 26 | 0.375" | 1/2" | Finished | 0.83" | 1" | 1.5" | 3.104" | 2 | Machined | Anodized Aluminum | 2.25" | 0000000 | 00000 |
For 1" Max. Belt Wd. | ||||||||||||||
| 3.33" | 26 | 0.375" | 1/2" | Finished | 1.08" | 1.25" | 1.75" | 3.104" | 2 | Machined | Anodized Aluminum | 2.438" | 0000000 | 00000 |
Metal Gears and Gear Racks—14 1/2° Pressure Angle
A former industry standard, 14½° pressure angle gears are often found on older machinery. Made of carbon steel, they have high strength and are better than plastic gears and gear racks for high-load, high-speed, and heavy duty applications.
Combine gears with different numbers of teeth to change speed and torque in your assembly. Combine a gear and rack to convert rotary motion into linear motion.
For components to mesh correctly, they must have the same pressure angle and pitch.
Gears with machinable bore have a large hub diameter so you can machine them to fit your shaft.
Gears with teeth that are not hardened can be hardened to fit your application. Hardening a gear's teeth increases its wear resistance.
For technical drawings and 3-D models, click on a part number.
Hub | Keyway | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gear Pitch | Number of Teeth | Gear Pitch Dia. | OD | Face Wd. | Overall Wd. | For Shaft Dia. | Material | Teeth Heat Treatment | Dia. | Wd. | Wd. | Dp. | Set Screw Thread Size | Each | |
Round/Machinable Bore | |||||||||||||||
| 6 | 18 | 3" | 3.33" | 1 1/2" | 2.375" | 1"-1 1/2" | 1144 Carbon Steel | Not Hardened | 2.5" | 0.875" | __ | __ | __ | 0000000 | 0000000 |
Keyed Bore with Set Screw | |||||||||||||||
| 6 | 18 | 3" | 3.33" | 1 1/2" | 2.375" | 1" | 1144 Carbon Steel | Not Hardened | 2.5" | 0.875" | 0.25" | 0.125" | 5/16"-18 | 000000 | 000000 |