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

Industrial Buna-N O-Ring | 1.95" ID x 7.47" OD x 0.264" CS | Nylon Reinforced

Expert Overview

This industrial O-ring, constructed with a robust Buna-N elastomer reinforced by Nylon, ensures reliable sealing in challenging operational conditions. Its precise dimensions provide superior performance in dynamic and static sealing applications.

StandardISO 9001
MaterialNylon
FinishGalvanized
GradeN/A
Inside Diameter1.950"
Outside Diameter7.470"
Cross Section0.264"

Detailed Engineering Specifications

Designed for demanding industrial environments, this O-ring utilizes a high-quality Buna-N (Nitrile Butadiene Rubber) compound for excellent resistance to oils, fuels, and hydraulic fluids. The integrated Nylon reinforcement enhances its structural integrity, providing superior extrusion resistance and improved tensile strength for higher pressure applications. With an Inside Diameter of 1.950 inches, an Outside Diameter of 7.470 inches, and a Cross Section of 0.264 inches, this seal is engineered for critical sealing functions in a wide array of industrial machinery and equipment.

🧊 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 surfaces are clean, dry, and free from burrs or sharp edges. 2. Carefully lubricate the O-ring and groove with a compatible lubricant to prevent damage during installation. 3. Gently install the O-ring, ensuring it is seated evenly and without twisting or stretching excessively.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring cuts or tears.Apply appropriate lubrication and gently work the O-ring into the groove, avoiding any pinching or stretching.
Incorrect O-ring size for the groove, causing leaks or premature failure.Verify that the O-ring's dimensions (ID, OD, CS) precisely match the groove specifications before installation.

Common Applications

  • Hydraulic and pneumatic systems
  • Automotive and aerospace sealing
  • Oil and gas exploration equipment

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents or certain aromatic hydrocarbons.
  • Ensure compatibility with the specific fluid and temperature range of the application.

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 and pneumatic systems, Automotive and aerospace sealing, Oil and gas exploration equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.950"CS = 0.264"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.