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Industrial O-Ring, Buna-N, 0.660" ID x 9.245" OD

Expert Overview

This industrial O-ring, constructed from robust Buna-N (Nitrile), provides exceptional sealing performance. Engineered for precision, it ensures leak-proof operation in a wide array of industrial applications requiring reliable fluid containment.

StandardISO 9001
MaterialPolycarbonate
FinishAnodized
GradeN/A
Inside Diameter0.660"
Outside Diameter9.245"
Cross Section0.243"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Buna-N O-ring features an Inside Diameter of 0.660 inches, an Outside Diameter of 9.245 inches, and a Cross Section of 0.243 inches. Buna-N offers excellent resistance to petroleum-based oils, hydraulic fluids, water, and fuels, making it suitable for moderate temperature applications up to 212°F (100°C). Its resilience and good abrasion resistance ensure long-term sealing integrity in dynamic and static applications where chemical compatibility is 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 the mating groove is clean, free of debris, and properly dimensioned. 2. Lightly lubricate the O-ring and groove with a compatible lubricant (e.g., silicone grease for general use, specific fluid for the application). 3. Carefully install the O-ring into the groove, avoiding stretching or twisting, to ensure a uniform fit and prevent damage.

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
Over-stretching the O-ring during installation.Install the O-ring without excessive tension. The correct groove dimensions should accommodate the O-ring's size without requiring significant elongation.
Using an incompatible lubricant.Always verify lubricant compatibility with the O-ring material (Buna-N) and the media being sealed. Incorrect lubricants can degrade the O-ring.
Installing into a dirty or damaged groove.Thoroughly clean and inspect the groove for any nicks, burrs, or foreign particles that could compromise the seal or damage the O-ring.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fluid power equipment
  • Automotive fuel systems
  • General industrial machinery

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications above 212°F (100°C).
  • Buna-N exhibits poor resistance to ozone, weathering, and some polar solvents; use appropriate materials for such environments.
  • Ensure proper selection based on chemical compatibility with the specific fluid or gas being sealed.

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, Pneumatic cylinders, Fluid power equipment, Automotive fuel systems, General industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 0.660"CS = 0.243"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.