About Roller Chain and Sprockets
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About Gears
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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 35 Roller Chain (3/8" Pitch) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 19 | 1/2" | 1 1/4" | 2.47" | 3/4" | 1 27/32" | Steel | 00000000 | 000000 |
For ANSI 40 Roller Chain (1/2" Pitch) | ||||||||
| 15 | 1/2" | 1 1/4" | 2.65" | 7/8" | 1 13/16" | Steel | 00000000 | 00000 |
For ANSI 50 Roller Chain (5/8" Pitch) | ||||||||
| 12 | 5/8" | 1 1/4" | 2.71" | 1" | 1 63/64" | Steel | 00000000 | 00000 |
Machinable-Bore Corrosion-Resistant 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. Made of stainless steel, they withstand washdown conditions and harsh environments.
For technical drawings and 3-D models, click on a part number.
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.
Sprockets for Double-Strand ANSI Roller Chain
These sprockets come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size. All have hardened teeth for increased wear resistance and a long service life.
For technical drawings and 3-D models, click on a part number.
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.
Press-fit mount pulleys come machined to the for shaft diameter size and are machinable up to the for maximum shaft diameter size.
For technical drawings and 3-D models, click on a part number.
| OD, mm | Number of Teeth | Pitch, mm | For Shaft Dia. | For Max. Shaft Dia. | Bore Type | Inside Wd., mm | Outside Wd., mm | Overall Wd., mm | Pitch Dia., mm | Number of Flanges | Fabrication | Material | Hub Dia., mm | Each | |
For 30 mm Max. Belt Wd. | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 70.11 | 24 | 8 | 1/2" | 1 1/4" | Plain | 31.75 | 38.1 | 53.98 | 61.112 | 2 | Machined | Black-Oxide Iron | 46.02 | 00000000 | 000000 |
| 74.93 | 26 | 8 | 1/2" | 1 1/4" | Plain | 31.75 | 38.1 | 57.15 | 66.217 | 2 | Machined | Black-Oxide Iron | 50.8 | 00000000 | 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 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gear Pitch  | Number of Teeth | Gear Pitch Dia. | OD | Face Wd. | Overall Wd. | For Shaft Dia. | Material | Teeth Heat Treatment | Dia. | Wd. | Each | |
Round/Machinable Bore | ||||||||||||
| 20 | 48 | 2.4" | 2.5" | 3/8" | 0.875" | 3/8"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2" | 0.5" | 0000000 | 000000 |
| 20 | 60 | 3" | 3.1" | 3/8" | 0.875" | 3/8"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2" | 0.5" | 0000000 | 00000 |
| 16 | 36 | 2 1/4" | 2.38" | 1/2" | 1" | 1/2"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2" | 0.5" | 0000000 | 00000 |
| 16 | 40 | 2 1/2" | 2.63" | 1/2" | 1" | 1/2"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2" | 0.5" | 0000000 | 00000 |
| 16 | 48 | 3" | 3.13" | 1/2" | 1" | 1/2"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2" | 0.5" | 0000000 | 00000 |
| 16 | 60 | 3 3/4" | 3.88" | 1/2" | 1" | 1/2"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2" | 0.5" | 0000000 | 00000 |
| 10 | 24 | 2.4" | 2.6" | 1" | 1.625" | 3/4"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2.125" | 0.625" | 0000000 | 00000 |
| 10 | 28 | 2.8" | 3" | 1" | 1.875" | 3/4"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2.125" | 0.875" | 000000 | 00000 |
| 10 | 30 | 3" | 3.2" | 1" | 1.875" | 3/4"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2.125" | 0.875" | 0000000 | 000000 |
| 6 | 15 | 2 1/2" | 2.83" | 1 1/2" | 2.375" | 1"-1 1/4" | 1144 Carbon Steel | Not Hardened | 2" | 0.875" | 0000000 | 000000 |