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

Nylon Buna-N O-Ring | 5.550" ID x 8.853" OD x 0.084" CS

Expert Overview

Engineered for robust sealing, this industrial O-ring features a durable Buna-N elastomer reinforced with Nylon for enhanced mechanical strength and improved extrusion resistance in demanding environments.

StandardASME B18
MaterialNylon
FinishPassivated
GradeN/A
Inside Diameter5.550"
Outside Diameter8.853"
Cross Section0.084"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Buna-N O-ring exhibits an Inside Diameter of 5.550 inches, an Outside Diameter of 8.853 inches, and a precise 0.084-inch cross-section. The Buna-N (Nitrile) material provides excellent resistance to oils, fuels, and hydraulic fluids, while the integrated Nylon reinforcement significantly enhances its tensile strength and resistance to extrusion under high pressure and temperature conditions. This combination makes it ideal for static and dynamic sealing applications where reliability and longevity are paramount.

🧊 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 from debris. 2. Carefully position the O-ring within its groove, avoiding stretching or twisting. 3. Apply a thin, compatible lubricant to facilitate assembly and prevent damage during installation.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overstretching the O-ring during installation.Always use the correct size O-ring for the groove and avoid unnecessary stretching. If the O-ring is difficult to install, re-evaluate the groove dimensions or consider a lubricant.
Using incompatible lubricants or cleaning agents.Consult the material compatibility chart for Buna-N and Nylon to ensure chosen lubricants and cleaning agents will not degrade the O-ring material.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Automotive engine seals

⚠️ Engineering Warnings

  • Not suitable for use with strong acids or ketones.
  • Continuous exposure to ozone and UV radiation may degrade material properties over time.

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 equipment, Automotive engine seals.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.550"CS = 0.084"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.