Descripción
Nitrile Rubber End Cap | Shaft Diameter (72mm) x Width (9mm)
Nitrile Rubber End Cap (EC72x9) is designed to prevent a shaft from passing through the housing wall. The body is steel with a nitrile rubber coating and provides protection for the bearings or for a shaft that does not protrude. Shaft Dia. 72mm Width 9mm
- Brand : AVX Seals
- Item Sku : EC72x9
- Type : EC 72x9 mm
- Outer : 72mm
- Width : 9mm
- Size : 72mm x 9mm
- Seal Material : Nitrile Butadiene Rubber
- Temperature Range : -40 to 248 F
- Function: Seals unused bore holes to protect internal components.
- Seal Type: Static – Not intended for rotating shafts.
Typical Applications: Nitrile End Cap (EC72x9)
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Electric motor non-drive ends
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Gearboxes with unused shafts
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Pump housings and static enclosures
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Hydraulic or pneumatic system housings
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Mechanical bearing enclosures
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Agricultural, construction, and heavy-duty machinery
❓ Frequently Asked Questions (FAQ)
✅ Q1: What is the main purpose of a Nitrile Rubber End Cap?
A1: It serves to close off open bore holes in mechanical housings and prevents a shaft from passing through. It also protects internal components like bearings from contamination by dust, moisture, or debris.
✅ Q2: Why use nitrile rubber (NBR) as the coating material?
A2: NBR offers:
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Excellent resistance to oil, grease, and chemicals
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Good weather and abrasion resistance
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Tight sealing capability even under moderate pressure
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Enhanced corrosion protection for the underlying steel
