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Gear Type Gear Type |
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OD OD |
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Gear Rack Shape Gear Rack Shape |
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 | Rectangular |
Bore Type Bore Type |
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| Keyed |
Gear Pitch Diameter Gear Pitch Diameter |
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Hub Diameter Hub Diameter |
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About Gears
More
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.
Nylon gears can be operated without lubrication, so they’re commonly used in food-processing machines.
Nylon gear racks are lightweight and can be used without lubrication.
For technical drawings and 3-D models, click on a part number.
Metric Gears
Round Bore
Hub | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Module | Number of Teeth | Gear Pitch Dia., mm | OD, mm | Face Wd., mm | Overall Wd., mm | For Shaft Dia., mm | Material | Fabrication | Color | Dia., mm | Wd., mm | Each | |
Round Bore | |||||||||||||
| 1 | 15 | 15 | 17 | 10 | 20 | 6 | Nylon Plastic | Machined | Blue | 12 | 10 | 00000000 | 000000 |
| 1 | 16 | 16 | 18 | 10 | 20 | 6 | Nylon Plastic | Machined | Blue | 12 | 10 | 00000000 | 00000 |
| 1 | 18 | 18 | 20 | 10 | 20 | 6 | Nylon Plastic | Machined | Blue | 14 | 10 | 00000000 | 00000 |
| 1 | 20 | 20 | 22 | 10 | 20 | 6 | Nylon Plastic | Machined | Blue | 16 | 10 | 00000000 | 00000 |
| 1 | 22 | 22 | 24 | 10 | 20 | 8 | Nylon Plastic | Machined | Blue | 18 | 10 | 00000000 | 00000 |
| 1 | 24 | 24 | 26 | 10 | 20 | 8 | Nylon Plastic | Machined | Blue | 20 | 10 | 00000000 | 00000 |
| 1 | 25 | 25 | 27 | 10 | 20 | 8 | Nylon Plastic | Machined | Blue | 20 | 10 | 00000000 | 00000 |
| 1 | 26 | 26 | 28 | 10 | 20 | 8 | Nylon Plastic | Machined | Blue | 20 | 10 | 00000000 | 00000 |
| 1 | 28 | 28 | 30 | 10 | 20 | 8 | Nylon Plastic | Machined | Blue | 22 | 10 | 00000000 | 00000 |
| 1 | 30 | 30 | 32 | 10 | 20 | 8 | Nylon Plastic | Machined | Blue | 25 | 10 | 00000000 | 00000 |
| 1 | 32 | 32 | 34 | 10 | 20 | 8 | Nylon Plastic | Machined | Blue | 26 | 10 | 00000000 | 00000 |
| 1 | 40 | 40 | 42 | 10 | 20 | 10 | Nylon Plastic | Machined | Blue | 35 | 10 | 00000000 | 00000 |
| 1 | 50 | 50 | 52 | 10 | 20 | 10 | Nylon Plastic | Machined | Blue | 35 | 10 | 00000000 | 00000 |
| 1 | 60 | 60 | 62 | 10 | 20 | 10 | Nylon Plastic | Machined | Blue | 35 | 10 | 00000000 | 00000 |
| 1 | 75 | 75 | 77 | 10 | 20 | 10 | Nylon Plastic | Machined | Blue | 40 | 10 | 00000000 | 00000 |
| 1 | 80 | 80 | 82 | 10 | 20 | 10 | Nylon Plastic | Machined | Blue | 40 | 10 | 00000000 | 00000 |
| 1 | 100 | 100 | 102 | 10 | 20 | 10 | Nylon Plastic | Machined | Blue | 40 | 10 | 00000000 | 00000 |
| 1.5 | 15 | 22.5 | 25.5 | 15 | 25 | 8 | Nylon Plastic | Machined | Blue | 18 | 10 | 00000000 | 00000 |
| 1.5 | 16 | 24 | 27 | 15 | 25 | 8 | Nylon Plastic | Machined | Blue | 20 | 10 | 00000000 | 00000 |
| 1.5 | 20 | 30 | 33 | 15 | 25 | 8 | Nylon Plastic | Machined | Blue | 24 | 10 | 00000000 | 00000 |
| 1.5 | 22 | 33 | 36 | 15 | 25 | 8 | Nylon Plastic | Machined | Blue | 26 | 10 | 00000000 | 00000 |
| 1.5 | 30 | 45 | 48 | 15 | 25 | 8 | Nylon Plastic | Machined | Blue | 38 | 10 | 00000000 | 00000 |
| 1.5 | 32 | 48 | 51 | 15 | 25 | 8 | Nylon Plastic | Machined | Blue | 40 | 10 | 00000000 | 00000 |
| 1.5 | 50 | 75 | 78 | 15 | 25 | 10 | Nylon Plastic | Machined | Blue | 45 | 10 | 00000000 | 00000 |
| 1.5 | 80 | 120 | 123 | 15 | 25 | 12 | Nylon Plastic | Machined | Blue | 55 | 10 | 00000000 | 000000 |
| 1.5 | 100 | 150 | 153 | 15 | 25 | 12 | Nylon Plastic | Machined | Blue | 60 | 10 | 00000000 | 000000 |
| 2 | 12 | 24 | 28 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 18 | 10 | 00000000 | 00000 |
| 2 | 15 | 30 | 34 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 24 | 10 | 00000000 | 00000 |
| 2 | 16 | 32 | 36 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 26 | 10 | 00000000 | 00000 |
| 2 | 18 | 36 | 40 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 30 | 10 | 00000000 | 00000 |
| 2 | 20 | 40 | 44 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 32 | 10 | 00000000 | 00000 |
| 2 | 24 | 48 | 52 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 38 | 10 | 00000000 | 00000 |
| 2 | 25 | 50 | 54 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 40 | 10 | 00000000 | 00000 |
| 2 | 28 | 56 | 60 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 45 | 10 | 00000000 | 00000 |
| 2 | 30 | 60 | 64 | 20 | 30 | 10 | Nylon Plastic | Machined | Blue | 50 | 10 | 00000000 | 00000 |
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.
Gears with machinable bore have a large hub diameter so you can machine them to fit your shaft.
Machined gear racks may be slightly bowed but will straighten out when installed.
For technical drawings and 3-D models, click on a part number.
Gears
Gear with Round or
Round/Machinable
Bore
Round/Machinable
Bore
Gear with Keyed Bore
Hub | Keyway | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gear Pitch | Number of Teeth | Gear Pitch Dia. | OD | Face Wd. | Overall Wd. | For Shaft Dia. | Material | Fabrication | Color | Dia. | Wd. | Wd. | Dp. | Each | |
Round Bore | |||||||||||||||
| 48 | 12 | 1/4" | 0.29" | 1/8" | 0.313" | 3/32" | Nylon Plastic | Molded | White | 0.188" | 0.188" | __ | __ | 00000000 | 00000 |
| 48 | 14 | 0.292" | 0.33" | 1/8" | 0.313" | 3/32" | Nylon Plastic | Molded | White | 0.25" | 0.188" | __ | __ | 00000000 | 0000 |
| 48 | 16 | 0.333" | 0.37" | 1/8" | 0.313" | 1/8" | Nylon Plastic | Molded | White | 0.25" | 0.188" | __ | __ | 00000000 | 0000 |
| 48 | 18 | 3/8" | 0.41" | 1/8" | 0.313" | 1/8" | Nylon Plastic | Molded | White | 0.313" | 0.188" | __ | __ | 00000000 | 0000 |
| 48 | 20 | 0.417" | 0.45" | 1/8" | 0.375" | 1/8" | Nylon Plastic | Molded | White | 0.375" | 0.25" | __ | __ | 00000000 | 00000 |
| 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 |
| 32 | 14 | 0.438" | 0.5" | 3/16" | 0.438" | 1/8" | Nylon Plastic | Molded | White | 0.313" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 16 | 1/2" | 0.56" | 3/16" | 0.438" | 3/16" | Nylon Plastic | Molded | White | 0.375" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 18 | 0.563" | 0.63" | 3/16" | 0.438" | 3/16" | Nylon Plastic | Molded | White | 0.375" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 20 | 5/8" | 0.69" | 3/16" | 0.438" | 3/16" | Nylon Plastic | Molded | White | 0.5" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 22 | 0.688" | 0.75" | 3/16" | 0.438" | 1/4" | Nylon Plastic | Molded | White | 0.563" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 24 | 3/4" | 0.81" | 3/16" | 0.438" | 3/16" | Nylon Plastic | Molded | White | 0.625" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 28 | 7/8" | 0.94" | 3/16" | 0.438" | 3/16" | Nylon Plastic | Molded | White | 0.625" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 32 | 1" | 1.06" | 3/16" | 0.438" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 36 | 1 1/8" | 1.19" | 3/16" | 0.438" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 40 | 1 1/4" | 1.31" | 3/16" | 0.438" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 44 | 1 3/8" | 1.44" | 3/16" | 0.438" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 48 | 1 1/2" | 1.56" | 3/16" | 0.438" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | __ | __ | 00000000 | 0000 |
| 32 | 52 | 1 5/8" | 1.69" | 3/16" | 0.438" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.25" | __ | __ | 00000000 | 00000 |
| 32 | 62 | 1.938" | 2" | 1/4" | 0.625" | 3/8" | Nylon Plastic | Molded | White | 0.625" | 0.375" | __ | __ | 00000000 | 00000 |
| 24 | 12 | 1/2" | 0.58" | 5/16" | 0.563" | 1/4" | Nylon Plastic | Molded | White | 0.375" | 0.25" | __ | __ | 00000000 | 0000 |
| 24 | 18 | 3/4" | 0.83" | 1/4" | 0.438" | 1/4" | Nylon Plastic | Molded | White | 0.5" | 0.188" | __ | __ | 00000000 | 0000 |
| 24 | 24 | 1" | 1.08" | 1/4" | 0.625" | 1/4" | Nylon Plastic | Molded | White | 0.625" | 0.375" | __ | __ | 00000000 | 0000 |
| 24 | 84 | 3 1/2" | 3.58" | 5/16" | 0.563" | 3/8" | Nylon Plastic | Molded | White | 0.844" | 0.25" | __ | __ | 00000000 | 00000 |
| 16 | 12 | 3/4" | 0.88" | 7/32" | 0.25" | 1/4" | Nylon Plastic | Molded | White | 0.438" | 0.031" | __ | __ | 00000000 | 00000 |
| 16 | 20 | 1 1/4" | 1.38" | 19/64" | 0.797" | 1/2" | Nylon Plastic | Molded | White | 0.875" | 0.5" | __ | __ | 00000000 | 00000 |
| 16 | 30 | 1 7/8" | 2" | 7/8" | 1.375" | 63/64" | Nylon Plastic | Molded | White | 1.625" | 0.5" | __ | __ | 00000000 | 00000 |
| 16 | 36 | 2 1/4" | 2.38" | 5/16" | 0.774" | 3/8" | Nylon Plastic | Molded | White | 0.75" | 0.375" | __ | __ | 00000000 | 00000 |
Round/Machinable Bore | |||||||||||||||
| 20 | 11 | 0.55" | 0.65" | 3/8" | 0.75" | 1/4"-5/16" | Nylon Plastic | Machined | White | 0.406" | 0.375" | __ | __ | 00000000 | 00000 |
| 20 | 60 | 3" | 3.1" | 3/8" | 0.875" | 3/8"-1 1/8" | Nylon Plastic | Machined | White | 2" | 0.5" | __ | __ | 00000000 | 00000 |
| 16 | 16 | 1" | 1.13" | 1/2" | 0.938" | 1/4"-1/2" | Nylon Plastic | Machined | White | 0.812" | 0.438" | __ | __ | 00000000 | 00000 |
| 16 | 24 | 1 1/2" | 1.63" | 1/2" | 0.938" | 1/2"-5/8" | Nylon Plastic | Machined | White | 1.313" | 0.438" | __ | __ | 00000000 | 00000 |
| 16 | 32 | 2" | 2.13" | 1/2" | 1" | 1/2"-1" | Nylon Plastic | Machined | White | 1.75" | 0.5" | __ | __ | 00000000 | 00000 |
| 16 | 48 | 3" | 3.13" | 1/2" | 1" | 1/2"-1 1/8" | Nylon Plastic | Machined | White | 2" | 0.5" | __ | __ | 00000000 | 00000 |
| 12 | 14 | 1.167" | 1.33" | 3/4" | 1.25" | 1/2"-1/2" | Nylon Plastic | Machined | White | 0.906" | 0.5" | __ | __ | 00000000 | 00000 |
| 12 | 48 | 4" | 4.17" | 3/4" | 1.5" | 1/2"-1 3/8" | Nylon Plastic | Machined | White | 2.5" | 0.75" | __ | __ | 00000000 | 00000 |
| 10 | 12 | 1.2" | 1.4" | 1" | 1.625" | 1/2"-1/2" | Nylon Plastic | Machined | White | 0.938" | 0.625" | __ | __ | 00000000 | 00000 |
| 10 | 20 | 2" | 2.2" | 1" | 1.625" | 3/4"-7/8" | Nylon Plastic | Machined | White | 1.719" | 0.625" | __ | __ | 00000000 | 00000 |
Keyed Bore | |||||||||||||||
| 16 | 42 | 2 5/8" | 2.75" | 5/8" | 0.875" | 13/32" | Nylon Plastic | Molded | White | 1.375" | 0.25" | 0.125" | 0.063" | 00000000 | 00000 |
Gear Racks
| Gear Pitch | Lg. | Pitch Ht. | Ht. | Face Wd. | Material | Fabrication | Color | Each | |
| 48 | 1ft. | 0.109" | 1/8" | 1/8" | Nylon Plastic | Molded | White | 00000000 | 00000 |
| 32 | 1ft. | 0.156" | 3/16" | 3/16" | Nylon Plastic | Molded | White | 00000000 | 0000 |
| 24 | 1ft. | 0.203" | 1/4" | 1/4" | Nylon Plastic | Molded | White | 00000000 | 0000 |
| 20 | 4ft. | 0.325" | 3/8" | 3/8" | Nylon Plastic | Machined | Green | 00000000 | 000000 |
| 16 | 1ft. | 0.25" | 5/16" | 5/16" | Nylon Plastic | Molded | White | 00000000 | 0000 |
| 16 | 4ft. | 0.438" | 1/2" | 1/2" | Nylon Plastic | Machined | Green | 00000000 | 000000 |
| 12 | 4ft. | 0.667" | 3/4" | 3/4" | Nylon Plastic | Machined | Green | 00000000 | 000000 |
| 10 | 4ft. | 0.9" | 1" | 1" | Nylon Plastic | Machined | Green | 00000000 | 000000 |