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System of Measurement System of Measurement |
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Material Material |
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Shape Shape |
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 | Round |
End Style End Style |
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 | Flange |
Protects Against Protects Against | Show |
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Protects Against Protects Against | Hide |
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Construction Construction |
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Maximum Temperature Maximum Temperature |
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Flexibility Flexibility |
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 | Flexible |
Minimum Temperature Minimum Temperature |
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Component Component |
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Material Thickness Material Thickness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Create-Your-Own Round Bellows with Flange Ends
Built With Two Mounting Flanges, Two Bellows, One Link, And One Support
Interlock bellows, mounting flanges, and links to create a custom-length bellows. These molded bellows are airtight to keep contaminants out. Air venting may be necessary in fast-cycling applications. Mount these bellows to surfaces with the mounting flanges. Slide them over moving parts, such as rods and shafts.
Mounting flanges fit on the ends of each custom-length bellows. Drill a hole to fit your machine part.
Links connect multiple bellows.
Supports fit inside links to add stability. They are required when connecting three or more bellows. Drill a hole to fit your machine part.
Breather vent allows air venting. Drill a hole in the flange to mount the vent.
For technical drawings and 3-D models, click on a part number.
Bellows
Length | ||||||||||
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| ID | OD | Extended | Retracted | Travel | Required ID Clearance | Max. Hole Dia. | Material Thick. | Temp. Range, °F | Each | |
Buna-N Rubber—Protects Against Abrasive Grit, UV Radiation, Coolant, Cutting Fluid, Dust, Metal Chips, Oil, Salt Water, Synthetic Oil, Water, Wood Chips | ||||||||||
| 1 3/16" | 2 3/8" | 11 13/16" | 2 3/16" | 9 5/8" | 1/4" | 1 9/16" | 0.047" | 0° to 240° | 0000000 | 000000 |
| 1 15/16" | 3 1/4" | 13 3/4" | 2 1/2" | 11 1/4" | 3/8" | 2 5/16" | 0.047" | 0° to 240° | 0000000 | 00000 |
| 2 3/16" | 4 3/16" | 29 1/2" | 3 15/16" | 25 9/16" | 3/8" | 3 1/8" | 0.047" | 0° to 240° | 0000000 | 00000 |
| 2 7/16" | 4 3/4" | 27 1/2" | 3 11/16" | 23 13/16" | 3/8" | 3 15/16" | 0.047" | 0° to 240° | 0000000 | 00000 |
| 2 3/4" | 4 3/16" | 8 11/16" | 1 9/16" | 7 1/8" | 3/8" | 3 1/8" | 0.047" | 0° to 240° | 0000000 | 00000 |
EPDM Rubber—Protects Against Abrasive Grit, UV Radiation, Coolant, Cutting Fluid, Dust, Metal Chips, Salt Water, Water, Wood Chips | ||||||||||
| 1 15/16" | 3 1/4" | 13 3/4" | 2 1/2" | 11 1/4" | 3/8" | 2 5/16" | 0.047" | -40° to 230° | 0000000 | 00000 |
| 2 3/16" | 4 3/16" | 29 1/2" | 3 15/16" | 25 9/16" | 3/8" | 3 1/8" | 0.047" | -40° to 230° | 0000000 | 00000 |
| 2 7/16" | 4 3/4" | 27 1/2" | 3 11/16" | 23 13/16" | 3/8" | 3 15/16" | 0.047" | -40° to 230° | 0000000 | 00000 |
| 2 3/4" | 4 3/16" | 8 11/16" | 1 9/16" | 7 1/8" | 3/8" | 3 1/8" | 0.047" | -40° to 230° | 0000000 | 00000 |
Silicone Rubber—Protects Against Abrasive Grit, UV Radiation, Coolant, Cutting Fluid, Dust, Metal Chips, Salt Water, Water, Wood Chips | ||||||||||
| 1 3/16" | 2 3/8" | 11 13/16" | 2 3/16" | 9 5/8" | 1/4" | 1 9/16" | 0.047" | -75° to 390° | 0000000 | 00000 |
| 1 15/16" | 3 1/4" | 13 3/4" | 2 1/2" | 11 1/4" | 3/8" | 2 5/16" | 0.047" | -75° to 390° | 0000000 | 00000 |
| 2 3/16" | 4 3/16" | 29 1/2" | 3 15/16" | 25 9/16" | 3/8" | 3 1/8" | 0.047" | -75° to 390° | 0000000 | 000000 |
| 2 3/4" | 4 3/16" | 8 11/16" | 1 9/16" | 7 1/8" | 3/8" | 3 1/8" | 0.047" | -75° to 390° | 0000000 | 00000 |