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Buna-N O-Ring - 8.776" ID x 9.717" OD x 0.094" CS

Expert Overview

This industrial-grade Buna-N O-ring offers robust sealing capabilities. Engineered for reliable performance, its precise dimensions and durable material ensure effective containment in critical applications.

StandardASME B18
MaterialPolycarbonate
FinishPassivated
GradeN/A
Inside Diameter8.776"
Outside Diameter9.717"
Cross Section0.094"

Detailed Engineering Specifications

A proven choice for industrial professionals, this Buna-N O-ring features an inside diameter of 8.776 inches, an outside diameter of 9.717 inches, and a precise 0.094-inch cross-section. Constructed from nitrile butadiene rubber (Buna-N), it exhibits excellent resistance to petroleum-based oils, fuels, and hydraulic fluids, making it ideal for a wide range of demanding industrial environments. Its inherent resilience and compression set resistance ensure long-term sealing integrity under moderate pressure and temperature variations.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

TrelleborgEst. 1905
Sweden🇸🇪
"Engineered polymer solutions."
Market Rank
🏆 #1 Engineered Polymers
Industry Approvals
🚀 Aerospace & Subsea Approved
Warranty & Support
🛡️ High-Performance Guarantee
Green Manufacturing
🌱 Blue Dimension ESG
Certified:ISO 9001, ISO 14001
GarlockEst. 1887
USA🇺🇸
"High-performance fluid sealing."
Market Rank
🏆 Premium Fluid Sealing Leader
Industry Approvals
🚀 Nuclear & Pharma Approved
Warranty & Support
🛡️ Zero-Leak Guarantee
Green Manufacturing
🌱 Sustainable Materials
Certified:ISO 9001, FDA, NSF
FreudenbergEst. 1849
Germany🇩🇪
"Global sealing technologies."
Market Rank
🏆 Top Global Sealing Tech
Industry Approvals
🚀 Audi & Mercedes OEM
Warranty & Support
🛡️ Global Engineering Support
Green Manufacturing
🌱 Climate Neutral 2045
Certified:IATF 16949, ISO 14001

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Ensure the mating groove surfaces are clean and free of debris. 2. Carefully place the O-ring into the groove, avoiding stretching or twisting. 3. Apply a light, compatible lubricant if necessary to facilitate seating and prevent damage.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overstretching the O-ring during installation.Install the O-ring without excessive tension, allowing it to seat naturally within the groove.
Using incompatible lubricants that degrade the Buna-N material.Consult a chemical compatibility chart to select a lubricant specifically approved for Buna-N.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Fuel systems

⚠️ Engineering Warnings

  • Not suitable for applications involving strong oxidizing agents, ketones, or esters.
  • Avoid prolonged exposure to high temperatures exceeding material specifications.

Alternative Products to Consider

Premium Sealing equivalentHigher corrosion resistance (316 SS)
Economy Sealing optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Industrial O-Ring, Buna-N made from?

A: This Industrial O-Ring, Buna-N is manufactured from Polycarbonate.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Fuel systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.776"CS = 0.094"SPECIFICATIONSSize: -214

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.