Roller Chain Trade Size Roller Chain Trade Size |
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System of Measurement System of Measurement |
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OD OD |
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For Shaft Type For Shaft Type |
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 | Round |
For Roller Chain Strand Type For Roller Chain Strand Type |
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 | Single |
Overall Width Overall Width | Show |
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Overall Width Overall Width | Hide |
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Bearing Type Bearing Type |
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 | Ball |
Component Component |
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 | Gear |
Shaft Mount Type Shaft Mount Type |
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Bearing Material Bearing Material |
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Roller Chain Standard Roller Chain Standard |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Bearing Seal Type Bearing Seal Type |
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About Roller Chain and Sprockets
More
About Gears
More
Sprockets for Miniature Roller Chain
Often used in electronic equipment, instrumentation devices, printers, and other compact machinery, these sprockets are made for use with our miniature roller chain.
Acetal sprockets are lightweight, quiet, and nonconductive. Press fit them onto your shaft.
For technical drawings and 3-D models, click on a part number.
Idler Sprockets for ANSI Roller Chain
Maintain constant tension on your drive with these sprockets that press against your chain to take up slack and reduce wear and vibration. They rotate freely on built-in bearings and are for use with roller chain tensioners. Bearings are double sealed to keep dirt out.
For technical drawings and 3-D models, click on a part number.
Metal Gears and Gear Racks—20° Pressure Angle
The current industry standard, these 20° pressure angle gears have thicker, stronger teeth than 14½° pressure angle gears. Compared to plastic gears and racks, they’re better for high-load, high-speed, and heavy duty applications. Also known as spur gears.
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. To minimize your footprint, mount one or more standard gears inside of an internal gear.
For components to mesh correctly, they must have the same pressure angle and pitch/module.
Brass gears and racks are easy to machine, so you can add your own mounting holes and make other alterations. They won't rust when exposed to water.
For technical drawings and 3-D models, click on a part number.
Plastic Gears and Gear Racks—20° Pressure Angle
The current industry standard, these 20° pressure angle gears have thicker, stronger teeth than 14½° pressure angle gears. Made of plastic, they run quieter than metal gears and have good corrosion and chemical resistance. They’re also known as spur gears.
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/module.
Acetal gears are best suited for use in light duty machines or for prototyping.
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 | Fabrication | Color | Dia. | Wd. | Each | |
Round Bore | |||||||||||||
| 48 | 18 | 3/8" | 0.42" | 1/8" | 0.375" | 5/32" | Acetal Plastic | Molded | White | 0.313" | 0.25" | 0000000 | 00000 |
| 48 | 24 | 1/2" | 0.54" | 1/8" | 0.375" | 5/32" | Acetal Plastic | Molded | White | 0.406" | 0.25" | 0000000 | 0000 |
| 48 | 36 | 3/4" | 0.79" | 1/8" | 0.375" | 3/16" | Acetal Plastic | Molded | White | 0.547" | 0.25" | 0000000 | 0000 |
| 48 | 48 | 1" | 1.04" | 1/8" | 0.375" | 1/4" | Acetal Plastic | Molded | White | 0.609" | 0.25" | 0000000 | 0000 |
| 48 | 60 | 1 1/4" | 1.29" | 1/8" | 0.375" | 1/4" | Acetal Plastic | Molded | White | 0.609" | 0.25" | 0000000 | 0000 |
| 48 | 96 | 2" | 2.04" | 1/8" | 0.375" | 1/4" | Acetal Plastic | Molded | White | 0.609" | 0.25" | 0000000 | 0000 |
Plastic 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 plastic, they run quieter than metal gears and have good corrosion and chemical resistance. They’re also known as spur gears.
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.
For technical drawings and 3-D models, click on a part number.
Round/Machinable
Bore
Hub | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gear Pitch | Number of Teeth | Gear Pitch Dia. | OD | Face Wd. | Overall Wd. | For Shaft Dia. | Material | Fabrication | Color | Dia. | Wd. | Each | |
Round Bore | |||||||||||||
| 48 | 20 | 0.417" | 0.45" | 1/8" | 0.375" | 1/8" | Nylon Plastic | Molded | White | 0.375" | 0.25" | 00000000 | 000000 |
| 48 | 24 | 1/2" | 0.54" | 1/8" | 0.375" | 1/8" | Nylon Plastic | Molded | White | 0.375" | 0.25" | 00000000 | 0000 |
| 48 | 28 | 0.583" | 0.62" | 1/8" | 0.375" | 1/8" | Nylon Plastic | Molded | White | 0.5" | 0.25" | 00000000 | 0000 |
| 48 | 32 | 0.667" | 0.7" | 1/8" | 0.375" | 1/8" | Nylon Plastic | Molded | White | 0.5" | 0.25" | 00000000 | 0000 |
| 48 | 36 | 3/4" | 0.79" | 1/8" | 0.375" | 3/16" | Nylon Plastic | Molded | White | 0.625" | 0.25" | 00000000 | 00000 |
| 48 | 40 | 0.833" | 0.87" | 1/8" | 0.375" | 3/16" | Nylon Plastic | Molded | White | 0.625" | 0.25" | 00000000 | 00000 |
| 48 | 42 | 7/8" | 0.91" | 1/8" | 0.375" | 1/4" | Nylon Plastic | Molded | White | 0.438" | 0.25" | 00000000 | 0000 |
| 48 | 48 | 1" | 1.04" | 1/8" | 0.375" | 3/16" | Nylon Plastic | Molded | White | 0.625" | 0.25" | 00000000 | 00000 |
| 48 | 56 | 1.167" | 1.2" | 1/8" | 0.375" | 3/16" | Nylon Plastic | Molded | White | 0.625" | 0.25" | 00000000 | 00000 |
| 48 | 60 | 1 1/4" | 1.29" | 1/8" | 0.375" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | 00000000 | 00000 |
| 48 | 64 | 1.333" | 1.37" | 1/8" | 0.375" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | 00000000 | 00000 |
| 48 | 72 | 1 1/2" | 1.54" | 1/8" | 0.375" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | 00000000 | 00000 |
| 48 | 80 | 1.667" | 1.7" | 1/8" | 0.375" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | 00000000 | 00000 |
| 48 | 96 | 2" | 2.04" | 1/8" | 0.375" | 1/4" | Nylon Plastic | Molded | White | 1" | 0.25" | 00000000 | 00000 |
| 32 | 12 | 3/8" | 0.44" | 3/16" | 0.375" | 1/8" | Nylon Plastic | Molded | White | 0.25" | 0.188" | 00000000 | 0000 |
Plastic Miter Gears
Connect two shafts at a right angle without changing shaft speed or torque. Made of plastic, these gears run quieter than metal gears and have good corrosion and chemical resistance.
For two gears to mesh correctly, they must have the same pressure angle, pitch/module, and number of teeth.
Nylon gears are self-lubricating, so they’re often used in food machinery. However, they’re not approved for direct contact with food or chemicals that will come into contact with food.
For technical drawings and 3-D models, click on a part number.
Hub | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gear Pitch | Number of Teeth | Pressure Angle | Gear Pitch Dia. | OD | Face Wd. | Overall Wd. | For Shaft Dia. | Mounting Distance | Material | Fabrication | Color | Dia. | Wd. | Each | |
Round Bore | |||||||||||||||
| 48 | 24 | 20° | 1/2" | 0.53" | 1/8" | 0.375" | 3/16" | 0.531" | Nylon Plastic | Molded | White | 0.375" | 0.25" | 0000000 | 00000 |