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For Rod Diameter For Rod Diameter |
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For Bore Diameter For Bore Diameter |
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Seal OD Seal OD |
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Seal ID Seal ID |
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Seal Width Seal Width |
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Cylinder Seal Type Cylinder Seal Type |
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Piston Seal |
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Rod Seal |
For Cylinder Type For Cylinder Type |
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For Use With For Use With |
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For Groove Diameter For Groove Diameter |
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Maximum Pressure Maximum Pressure |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Hardness Rating Hardness Rating |
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For Groove Width For Groove Width |
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Color Color |
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![]() | Black |
Maximum Speed Maximum Speed |
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Specifications Met Specifications Met |
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Mount Type Mount Type |
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Rod wipers scrape dirt, dust, and moisture from the rod, preventing contamination inside your cylinder.
Rod seals maintain the pressure inside cylinders and prevent fluid from leaking out.
Wear rings guide the rod and piston to prevent uneven wear and optimize seal performance.
Head seals are a more reliable alternative to the standard O-ring/backup ring combination—they resist twisting and remain stable even in applications with fluctuating pressure.
Buffering seals protect hydraulic cylinders from pressure spikes and shock in high-pressure hydraulic applications.
Cushioning seals minimize wear and noise in air-powered cylinders by preventing the piston from slamming against the cylinder body.
Piston seals make a seal between their outside edge and the cylinder bore to prevent internal leaks.
Stick these adapters onto Air-Powered Non-Contact Vacuum Lifters to create a soft area for your workpiece to touch while it’s in motion. These rubber discs gently press against your object, adding enough friction to keep it from slipping and dropping. Choose an adapter that matches the manufacturer and model number of your vacuum lifter.
Warning: Never use to lift people or items over people.
For technical drawings and 3-D models, click on a part number.
Temp., °F | |||||||||
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OD, mm | ID, mm | Thickness, mm | Mount Type | For Use With | Min. | Max. | For Manufacturer (Series/Model No.) | Each | |
For Oily, Smooth, and Textured Surfaces | |||||||||
Buna-N Rubber | |||||||||
5 | __ | 0.5 | Adhesive Back | Electronics, Plastic | 32° | 140° | Convum (COP-20) | 0000000 | 000000 |
16 | 5 | 0.5 | Adhesive Back | Electronics, Plastic | 32° | 140° | Convum (COP-40) | 0000000 | 00000 |
18 | __ | 1 | Adhesive Back | Electronics, Plastic | 32° | 140° | Convum (COP-60) | 0000000 | 00000 |
35 | 18 | 1 | Adhesive Back | Electronics, Plastic | 32° | 140° | Convum (COP-80) | 0000000 | 00000 |
55 | 35 | 1 | Adhesive Back | Electronics, Plastic | 32° | 140° | Convum (COP-100) | 0000000 | 00000 |
Also known as loaded-lip seals and PolyPaks, an O-ring secures these U-cups to the rod or piston for better sealing performance at lower pressures than unsupported U-cup seals. Because U-cups have a sealing lip on both the inside and outside edges, they can be used for rod and piston sealing. Pistons require two seals—install one facing in each direction.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
For Rod Sealing | For Piston Sealing | O-Ring | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Rod Dia. | For Groove Dia. | For Bore Dia. | For Groove Dia. | Max. Speed, ft./sec. | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Hardness | Color | Each | |
Polyurethane Rubber with Buna-N Rubber O-Ring | ||||||||||||
For 0.138" Groove Wd. | ||||||||||||
1/8" | 0.375" | 3/8" | 0.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 00000 |
3/16" | 0.438" | 7/16" | 0.187" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1/4" | 0.500" | 1/2" | 0.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
5/16" | 0.563" | 9/16" | 0.312" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
3/8" | 0.625" | 5/8" | 0.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
7/16" | 0.688" | 11/16" | 0.437" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1/2" | 0.750" | 3/4" | 0.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
5/8" | 0.875" | 7/8" | 0.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
3/4" | 1.000" | 1" | 0.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
7/8" | 1.125" | 1 1/16" | 0.875" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1" | 1.250" | 1 1/4" | 1.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/8" | 1.375" | 1 3/8" | 1.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/4" | 1.500" | 1 1/2" | 1.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
For 0.172" Groove Wd. | ||||||||||||
3/4" | 1.063" | 1 1/16" | 0.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1" | 1.313" | 1 5/16" | 1.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 3/16" | 1.500" | 1 1/2" | 1.187" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 3/8" | 1.688" | 1 11/16" | 1.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
For 0.206" Groove Wd. | ||||||||||||
3/16" | 0.563" | 9/16" | 0.187" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
3/8" | 0.750" | 3/4" | 0.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
7/16" | 0.813" | 13/16" | 0.437" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1/2" | 0.875" | 7/8" | 0.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
5/8" | 1.000" | 1" | 0.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
3/4" | 1.125" | 1 1/8" | 0.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
7/8" | 1.250" | 1 1/4" | 0.875" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1" | 1.375" | 1 3/8" | 1.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/16" | 1.438" | 1 7/16" | 1.062" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/8" | 1.500" | 1 1/2" | 1.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 3/16" | 1.563" | 1 9/16" | 1.187" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/4" | 1.625" | 1 5/8" | 1.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 3/8" | 1.750" | 1 3/4" | 1.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/2" | 1.875" | 1 7/8" | 1.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 5/8" | 2.000" | 2" | 1.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 7/8" | 2.250" | 2 1/4" | 1.875" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2" | 2.375" | 2 3/8" | 2.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2 1/8" | 2.500" | 2 1/2" | 2.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2 3/8" | 2.750" | 2 3/4" | 2.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2 1/2" | 2.875" | 2 7/8" | 2.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2 5/8" | 3.000" | 3" | 2.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2 3/4" | 3.125" | 3 1/8" | 2.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
For 0.275" Groove Wd. | ||||||||||||
1/2" | 1.000" | 1" | 0.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
5/8" | 1.125" | 1 1/8" | 0.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
3/4" | 1.250" | 1 1/4" | 0.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
7/8" | 1.375" | 1 3/8" | 0.875" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1" | 1.500" | 1 1/2" | 1.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/8" | 1.625" | 1 5/8" | 1.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 3/16" | 1.688" | 1 11/16" | 1.187" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/4" | 1.750" | 1 3/4" | 1.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 3/8" | 1.875" | 1 7/8" | 1.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 1/2" | 2.000" | 2" | 1.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 5/8" | 2.125" | 2 1/8" | 1.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
1 3/4" | 2.250" | 2 1/4" | 1.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2" | 2.500" | 2 1/2" | 2.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2 1/4" | 2.750" | 2 3/4" | 2.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 0000000 | 0000 |
2 1/2" | 3.000" | 3" | 2.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2 3/4" | 3.250" | 3 1/4" | 2.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
3" | 3.500" | 3 1/2" | 3.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
3 1/8" | 3.625" | 3 5/8" | 3.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
3 1/2" | 4.000" | 4" | 3.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3 3/4" | 4.250" | 4 1/4" | 3.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
4" | 4.500" | 4 1/2" | 4.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
4 1/2" | 5.000" | 5" | 4.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
4 3/4" | 5.250" | 5 1/4" | 4.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
6 1/2" | 7.000" | 7" | 5.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
For 0.343" Groove Wd. | ||||||||||||
1 3/8" | 2.000" | 2" | 1.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 7/8" | 2.500" | 2 1/2" | 1.875" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2" | 2.625" | 2 5/8" | 2.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2 3/8" | 3.000" | 3" | 2.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3 1/2" | 4.125" | 4 1/8" | 3.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
5 3/8" | 6.000" | 6" | 5.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
7 3/8" | 8.000" | 8" | 7.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
For 0.413" Groove Wd. | ||||||||||||
1 1/4" | 2.000" | 2" | 1.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/2" | 2.250" | 2 1/4" | 1.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
1 5/8" | 2.375" | 2 3/8" | 1.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
1 3/4" | 2.500" | 2 1/2" | 1.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
2" | 2.750" | 2 3/4" | 2.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
2 1/8" | 2.875" | 2 7/8" | 2.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
2 1/4" | 3.000" | 3" | 2.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
2 1/2" | 3.250" | 3 1/4" | 2.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
2 3/4" | 3.500" | 3 1/2" | 2.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3" | 3.750" | 3 3/4" | 3.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3 1/4" | 4.000" | 4" | 3.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3 1/2" | 4.250" | 4 1/4" | 3.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3 3/4" | 4.500" | 4 1/2" | 3.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
4 3/4" | 5.500" | 5 1/2" | 4.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
Also known as Type B seals, loaded-lip seals, and PolyPaks, these U-cups are wider than our other O-ring-loaded U-cup seals for better stability and fit in wider grooves. An O-ring secures them to the rod or piston, preventing leaks at low pressure and as the seal wears. Because U-cups have a sealing lip on both the inside and outside edges, they can be used for rod and piston sealing. Pistons require two seals—install one facing in each direction.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
For Rod Sealing | For Piston Sealing | O-Ring | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Rod Dia. | For Groove Dia. | For Bore Dia. | For Groove Dia. | Max. Speed, ft./sec. | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Hardness | Color | Each | |
Polyurethane Rubber with Buna-N Rubber O-Ring | ||||||||||||
For 0.206" Groove Wd. | ||||||||||||
5/8" | 0.875" | 7/8" | 0.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3/4" | 1.000" | 1" | 0.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1" | 1.250" | 1 1/4" | 1.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/8" | 1.500" | 1 1/2" | 1.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/4" | 1.500" | 1 1/2" | 1.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
For 0.253" Groove Wd. | ||||||||||||
1 3/4" | 2.125" | 2 1/8" | 1.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
For 0.275" Groove Wd. | ||||||||||||
1/4" | 0.500" | 1/2" | 0.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
3/8" | 0.625" | 5/8" | 0.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
7/16" | 0.688" | 11/16" | 0.437" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1/2" | 0.750" | 3/4" | 0.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
5/8" | 0.875" | 7/8" | 0.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
3/4" | 1.000" | 1" | 0.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
7/8" | 1.125" | 1 1/8" | 0.875" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1" | 1.250" | 1 1/4" | 1.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/16" | 1.313" | 1 5/16" | 1.062" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/8" | 1.375" | 1 3/8" | 1.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/4" | 1.500" | 1 1/2" | 1.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/4" | 1.625" | 1 5/8" | 1.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 3/8" | 1.625" | 1 5/8" | 1.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/2" | 1.750" | 1 3/4" | 1.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2" | 2.250" | 2 1/4" | 2.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2 1/8" | 2.375" | 2 3/8" | 2.125" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
For 0.343" Groove Wd. | ||||||||||||
7/8" | 1.250" | 1 1/4" | 0.875" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1" | 1.375" | 1 3/8" | 1.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 3/8" | 1.750" | 1 3/4" | 1.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/2" | 1.875" | 1 7/8" | 1.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 5/8" | 2.000" | 2" | 1.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 3/4" | 2.125" | 2 1/8" | 1.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2" | 2.375" | 2 3/8" | 2.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
For 0.413" Groove Wd. | ||||||||||||
3/4" | 1.250" | 1 1/4" | 0.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1" | 1.500" | 1 1/2" | 1.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/4" | 1.750" | 1 3/4" | 1.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 3/8" | 1.750" | 1 3/4" | 1.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/2" | 1.875" | 1 7/8" | 1.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 1/2" | 2.000" | 2" | 1.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 5/8" | 2.000" | 2" | 1.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
1 3/4" | 2.250" | 2 1/4" | 1.750" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2" | 2.500" | 2 1/2" | 2.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2 3/8" | 2.875" | 2 7/8" | 2.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2 1/2" | 2.875" | 2 7/8" | 2.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
2 1/2" | 3.000" | 3" | 2.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 0000 |
3 1/2" | 4.000" | 4" | 3.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3 5/8" | 4.125" | 4 1/8" | 3.625" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
4" | 4.500" | 4 1/2" | 4.000" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
For 0.55" Groove Wd. | ||||||||||||
2 1/4" | 3.000" | 3" | 2.250" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
3 3/8" | 4.000" | 4" | 3.375" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
For 0.825" Groove Wd. | ||||||||||||
3 1/2" | 4.500" | 4 1/2" | 3.500" | 1.6 | 5,000 | -65° to 300° | Durometer 90A (Hard) | Black | Durometer 70A (Medium) | Black | 00000000 | 00000 |
These U-cup seals create less friction than O-ring-loaded U-cups, so they wear more slowly. Also known as lip seals, U-cups have a sealing lip on both the inside and outside edges, so they can be used for rod and piston sealing. Pistons require two seals—install one facing in each direction.
U-cups that meet military specification AN6226 fit dimensions specified by the standard.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
For Rod Sealing | For Piston Sealing | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
For Rod Dia. | For Groove Dia. | For Bore Dia. | For Groove Dia. | Max. Speed, ft./sec. | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Each | |
For 0.093" Groove Wd. | ||||||||||
1/4" | 0.375" | 3/8" | 0.250" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 00000 |
For 1/8" Groove Wd. | ||||||||||
1/4" | 0.437" | 7/16" | 0.250" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
5/8" | 0.812" | 13/16" | 0.625" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
For 0.156" Groove Wd. | ||||||||||
3/8" | 0.625" | 5/8" | 0.375" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1/2" | 0.750" | 3/4" | 0.500" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
5/8" | 0.875" | 7/8" | 0.625" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
3/4" | 1.000" | 1" | 0.750" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
7/8" | 1.125" | 1 1/8" | 0.875" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1" | 1.250" | 1 1/4" | 1.000" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 1/8" | 1.375" | 1 3/8" | 1.125" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 1/4" | 1.500" | 1 1/2" | 1.250" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 3/4" | 2.000" | 2" | 1.750" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
For 0.188" Groove Wd. | ||||||||||
7/8" | 1.250" | 1 1/4" | 0.875" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1" | 1.312" | 1 5/16" | 1.000" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 1/8" | 1.437" | 1 7/16" | 1.125" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 1/4" | 1.562" | 1 9/16" | 1.250" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 3/8" | 1.687" | 1 11/16" | 1.375" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 1/2" | 1.812" | 1 13/16" | 1.500" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
For 0.218" Groove Wd. | ||||||||||
3/4" | 1.125" | 1 1/8" | 0.750" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 3/8" | 1.750" | 1 3/4" | 1.375" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 1/2" | 1.875" | 1 7/8" | 1.500" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 5/8" | 2.000" | 2" | 1.625" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 3/4" | 2.125" | 2 1/8" | 1.750" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
1 7/8" | 2.250" | 2 1/4" | 1.875" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
2" | 2.375" | 2 3/8" | 2.000" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
2 1/4" | 2.625" | 2 5/8" | 2.250" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
2 1/2" | 2.875" | 2 7/8" | 2.500" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
2 3/4" | 3.125" | 3 1/8" | 2.750" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
3" | 3.375" | 3 3/8" | 3.000" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
For 1/4" Groove Wd. | ||||||||||
2 1/2" | 2.937" | 2 15/16" | 2.500" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
2 3/4" | 3.187" | 3 3/16" | 2.750" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
3" | 3.437" | 3 7/16" | 3.000" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
For 0.281" Groove Wd. | ||||||||||
2 1/2" | 3.000" | 3" | 2.500" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 0000 |
For 0.406" Groove Wd. | ||||||||||
2 1/4" | 3.000" | 3" | 2.250" | 1.6 | 250 | -40° to 250° | Durometer 80A (Hard) | Black | 00000000 | 00000 |
For Rod Sealing | For Piston Sealing | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Rod Dia. | For Groove Dia. | For Bore Dia. | For Groove Dia. | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Specifications Met | Pkg. Qty. | Pkg. | |
For 0.282" Groove Wd. | |||||||||||
1/4" | 0.750" | 3/4" | 0.250" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 00000 |
3/8" | 0.875" | 7/8" | 0.375" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1/2" | 1.000" | 1" | 0.500" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
5/8" | 1.125" | 1 1/8" | 0.625" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
3/4" | 1.250" | 1 1/4" | 0.750" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
7/8" | 1.375" | 1 3/8" | 0.875" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1" | 1.500" | 1 1/2" | 1.000" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1 1/8" | 1.625" | 1 5/8" | 1.125" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1 1/4" | 1.750" | 1 3/4" | 1.250" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
For 0.344" Groove Wd. | |||||||||||
1 1/4" | 1.875" | 1 7/8" | 1.250" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1 3/8" | 2.000" | 2" | 1.375" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1 1/2" | 2.125" | 2 1/8" | 1.500" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1 5/8" | 2.250" | 2 1/4" | 1.625" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1 3/4" | 2.375" | 2 3/8" | 1.750" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
1 7/8" | 2.500" | 2 1/2" | 1.875" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 0000 |
2" | 2.625" | 2 5/8" | 2.000" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 00000 |
2 1/4" | 2.875" | 2 7/8" | 2.250" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 00000 |
2 3/8" | 3.000" | 3" | 2.375" | 120 | -20° to 212° | Durometer 70A (Hard) | Black | AN6226 | 5 | 0000000 | 00000 |
These Buna-N seals are reinforced with cotton thread for strength.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
Seal | ||||||||
---|---|---|---|---|---|---|---|---|
For Bore Dia. | ID | OD | Wd. | Max. Pressure, psi | Temp. Range, °F | Color | Each | |
Buna-N Rubber with Cotton Fabric Embedded Thread | ||||||||
1 1/2" | 0.375" | 1.500" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |
1 1/2" | 0.750" | 1.500" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
2" | 0.375" | 2.000" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
2" | 0.500" | 2.000" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
2" | 0.625" | 2.000" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
2" | 0.750" | 2.000" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
2 1/2" | 0.375" | 2.500" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
2 1/2" | 0.750" | 2.500" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
3" | 0.625" | 3.000" | 0.625" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
3" | 1.000" | 3.000" | 0.625" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
3 1/2" | 0.750" | 3.500" | 0.625" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |
5" | 1.000" | 5.000" | 0.750" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |
6" | 0.500" | 6.000" | 0.750" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |
6" | 2.750" | 6.000" | 0.750" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |