System of Measurement System of Measurement |
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For Bore Diameter For Bore Diameter |
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For Rod Diameter For Rod Diameter |
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Seal OD Seal OD |
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Seal ID Seal ID |
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Material Material | Show |
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Material Material | Hide |
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For Motion Type For Motion Type |
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 | Reciprocating |
For Groove Diameter For Groove Diameter |
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For Use With For Use With |
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For Cylinder Type For Cylinder Type |
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Maximum Speed Maximum Speed |
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Cylinder Seal Type Cylinder Seal Type |
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| Wear Ring |
Hardness Rating Hardness Rating |
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Hardness Hardness |
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Seal Thickness Seal Thickness |
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Maximum Temperature Maximum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Filler Material Filler Material |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Cylinder Seals
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.
Wear Rings
Made from glass-filled nylon for excellent wear resistance and strength.
Gap size is the maximum distance between the split ends of the ring while it is in use. Rings are closed when not in use.
For technical drawings and 3-D models, click on a part number.
For Rod Sealing | For Piston Sealing | |||||||||
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| For Rod Dia. | For Groove Dia. | For Bore Dia. | For Groove Dia. | Gap Size | Max. Speed, ft./sec. | Temp. Range, °F | Hardness | Color | Each | |
Glass-Filled Nylon Plastic | ||||||||||
For 0.26" Groove Wd. | ||||||||||
| 1/2" | 0.750" | 3/4" | 0.500" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 000000 |
| 3/4" | 1.000" | 1" | 0.750" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1" | 1.250" | 1 1/4" | 1.000" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 1/4" | 1.500" | 1 1/2" | 1.250" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 3/8" | 1.625" | 1 5/8" | 1.375" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 1/2" | 1.750" | 1 3/4" | 1.500" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 5/8" | 1.875" | 1 7/8" | 1.625" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 3/4" | 2.000" | 2" | 1.750" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 7/8" | 2.125" | 2 1/8" | 1.875" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 2" | 2.250" | 2 1/4" | 2.000" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 2 1/4" | 2.500" | 2 1/2" | 2.250" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 2 1/2" | 2.750" | 2 3/4" | 2.500" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 2 3/4" | 3.000" | 3" | 2.750" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 3" | 3.250" | 3 1/4" | 3.000" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 3 1/4" | 3.500" | 3 1/2" | 3.250" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 3 3/4" | 4.000" | 4" | 3.750" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
For 0.385" Groove Wd. | ||||||||||
| 1" | 1.250" | 1 1/4" | 1.000" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 1/4" | 1.500" | 1 1/2" | 1.250" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 1/2" | 1.750" | 1 3/4" | 1.500" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 1 3/4" | 2.000" | 2" | 1.750" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 2" | 2.250" | 2 1/4" | 2.000" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 2 1/4" | 2.500" | 2 1/2" | 2.250" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 2 3/4" | 3.000" | 3" | 2.750" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 3 1/4" | 3.500" | 3 1/2" | 3.250" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |
| 3 3/4" | 4.000" | 4" | 3.750" | 0.093" | 3 | -40° to 275° | Rockwell R120 (Extra Hard) | Gray | 0000000 | 00000 |