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Buna-N O-Ring - 2.105" ID x 8.090" OD x 0.118" CS

Expert Overview

This industrial-grade Buna-N O-ring provides superior sealing in demanding environments. Engineered for excellent resistance to oils, fuels, and many chemicals, ensuring reliable performance across various industrial applications.

StandardDIN 933
MaterialPolycarbonate
FinishGalvanized
GradeN/A
Inside Diameter2.105"
Outside Diameter8.090"
Cross Section0.118"

Detailed Engineering Specifications

Manufactured under strict quality controls, this Buna-N O-ring features precise dimensions of 2.105" inside diameter, 8.090" outside diameter, and a 0.118" cross-section. Buna-N (Nitrile) exhibits excellent resistance to petroleum-based oils, greases, hydraulic fluids, and water, making it ideal for static and dynamic sealing in automotive, hydraulic, and general industrial equipment where fluid compatibility is critical. Its robust material properties ensure long-term sealing integrity.

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

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 the wrong lubricant, causing material degradation.Consult a compatibility chart to select a lubricant recommended for Buna-N.
Overtightening fasteners, which can crush the O-ring.Adhere to specified torque values for the application.
Stretching the O-ring excessively during installation.Minimize stretching by using appropriate installation tools and techniques.

Common Applications

  • Hydraulic systems
  • Automotive seals
  • Fuel systems
  • General industrial machinery

⚠️ Engineering Warnings

  • Not recommended for use with ketones, esters, or strong acids.
  • Avoid prolonged exposure to high temperatures exceeding 107°C (225°F).

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, Automotive seals, Fuel systems, General industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.105"CS = 0.118"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.