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Industrial Buna-N O-Ring | 5.135" ID x 2.170" OD

Expert Overview

Engineered for superior performance, this industrial Buna-N O-ring offers exceptional sealing in demanding applications. Its robust construction provides reliable fluid and gas containment across a wide range of temperatures and pressures.

StandardISO 9001
MaterialNylon
FinishAnodized
GradeN/A
Inside Diameter5.135"
Outside Diameter2.170"
Cross Section0.226"

Detailed Engineering Specifications

Specified by design engineers worldwide, this industrial O-ring features a 5.135-inch inside diameter, a 2.170-inch outside diameter, and a 0.226-inch cross-section. Constructed from high-quality Buna-N (Nitrile Butadiene Rubber) with nylon reinforcement, it exhibits excellent resistance to oils, fuels, hydraulic fluids, and general chemicals. This material composition ensures durability and long service life in rigorous industrial environments, maintaining its sealing integrity under moderate pressure and temperature fluctuations.

🧊 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. Carefully stretch the O-ring over the component to be sealed, avoiding excessive force or sharp edges. 3. Gently seat the O-ring into its designated groove, ensuring it is uniformly positioned without twists or kinks.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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
Overtightening or stretching the O-ring during installation.Install the O-ring with minimal stretching, ensuring it seats properly without deformation.
Using an O-ring not rated for the specific fluid or operating temperature.Verify the Buna-N material's chemical and temperature compatibility with the application's service conditions.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Automotive fuel systems
  • General industrial machinery

⚠️ Engineering Warnings

  • Not suitable for exposure to ozone, strong acids, or polar solvents.
  • Operating temperature range should be strictly adhered to for optimal performance and longevity.

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 cylinders, Automotive fuel systems, General industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.135"CS = 0.226"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.