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Buna-N Industrial O-Ring - 8.805" ID x 2.568" OD

Expert Overview

This industrial O-ring, constructed from durable Buna-N (Nitrile), provides exceptional sealing performance in demanding environments. Its precise dimensions ensure a reliable fit and prevent leakage.

StandardASME B18
MaterialNylon
FinishGalvanized
GradeN/A
Inside Diameter8.805"
Outside Diameter2.568"
Cross Section0.175"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N (Nitrile) industrial O-ring features an 8.805" inside diameter, a 2.568" outside diameter, and a 0.175" cross-section. Buna-N offers superior resistance to petroleum-based oils, fuels, hydraulic fluids, and water, making it ideal for a wide range of industrial applications. Its Shore A hardness of approximately 70-80 provides a balance of flexibility and compression set resistance, ensuring long-term sealing integrity under moderate temperatures and pressures.

🧊 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 sealing groove is clean and free of debris. 2. Lightly lubricate the O-ring with a compatible lubricant. 3. Carefully install the O-ring into the groove, avoiding stretching or twisting.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring damage.Install the O-ring gently, using a suitable tool if necessary to avoid pinching or stretching.
Incorrect lubricant selection, causing material degradation.Always use a lubricant compatible with Buna-N and the fluid being sealed.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Fuel and oil handling equipment
  • Automotive applications
  • General industrial sealing

⚠️ Engineering Warnings

  • Not recommended for use with ozone, ketones, esters, or highly polar solvents.
  • Operating temperature range is typically -40°F to +212°F (-40°C to +100°C); consult specific product data for precise limits.

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 Nylon.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic systems, Fuel and oil handling equipment, Automotive applications, General industrial sealing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.805"CS = 0.175"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.