Home > Sealing > Industrial O-Ring, Buna-N

Buna-N Carbon Steel Industrial O-Ring | 1.107" ID | 8.286" OD

Expert Overview

This industrial O-ring, constructed from Buna-N and housed in carbon steel, offers exceptional sealing capabilities. Precisely engineered for critical applications, it ensures reliability and durability in demanding operational conditions.

StandardISO 9001
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Diameter1.107"
Outside Diameter8.286"
Cross Section0.244"

Detailed Engineering Specifications

Manufactured under strict quality controls, this Buna-N industrial O-ring exhibits superior resistance to petroleum products, fuels, and many hydraulic fluids. Its robust carbon steel housing provides enhanced structural integrity and pressure resistance, making it ideal for high-stress environments. The precise dimensions of 1.107" inside diameter, 8.286" outside diameter, and 0.244" cross-section ensure a tight, leak-proof seal in dynamic and static applications. Buna-N's excellent abrasion resistance and temperature range of -30°F to +250°F further contribute to its widespread industrial utility.

🧊 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:Yes

Installation Procedure

1. Ensure mating surfaces are clean, dry, and free of burrs or debris. 2. Carefully place the O-ring into its designated groove, avoiding stretching or twisting. 3. Assemble components slowly, ensuring the O-ring remains seated and is not pinched during assembly.

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

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

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
Overtightening or excessive force during assembly, leading to O-ring extrusion or damage.Apply only the necessary torque for assembly, ensuring the O-ring is not deformed or cut.
Using the wrong O-ring material for the specific fluid or environmental conditions.Verify material compatibility with the operating medium and temperature range before selection and installation.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Fluid power equipment

⚠️ Engineering Warnings

  • Not recommended for use with ozone, ketones, esters, or strong oxidizing agents.
  • Ensure proper gland design to prevent O-ring extrusion under pressure.

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 Carbon Steel.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic systems, Fluid power equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.107"CS = 0.244"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.