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Industrial O-Ring, Buna-N, 0.208" ID x 9.045" OD x 0.101" CS

Expert Overview

This robust industrial O-ring, crafted from high-grade Buna-N, ensures reliable sealing in critical applications. Its precise dimensions provide a secure fit for leak prevention in various industrial systems.

StandardASTM A106
MaterialNylon
FinishPlain
GradeN/A
Inside Diameter0.208"
Outside Diameter9.045"
Cross Section0.101"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring features an inside diameter of 0.208 inches, an outside diameter of 9.045 inches, and a precise 0.101-inch cross-section. Engineered for superior sealing capabilities, Buna-N (Nitrile) offers excellent resistance to oils, fuels, hydraulic fluids, and many common industrial chemicals. Its resilience and durability make it an ideal choice for dynamic and static sealing applications across a wide temperature range, ensuring long-term performance and preventing costly leaks in machinery and fluid power systems.

🧊 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 and free of debris. 2. Carefully lubricate the O-ring with a compatible lubricant. 3. Gently install the O-ring into its designated groove, avoiding any stretching or twisting.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Using the wrong O-ring material for the fluid or environment.Always verify the chemical compatibility of the Buna-N material with the specific media and operating conditions.
Over-stretching or twisting the O-ring during installation.Install the O-ring without excessive force, ensuring it seats properly in its groove to maintain its sealing integrity.

Common Applications

  • Hydraulic Systems
  • Pneumatic Cylinders
  • Fuel Lines
  • Oil Seals
  • General Industrial Sealing

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents, ketones, or esters.
  • Operating temperature range should be considered 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, Fuel Lines, Oil Seals, General Industrial Sealing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 0.208"CS = 0.101"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.