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Buna-N Nylon Industrial O-Ring - 1.875" ID x 7.139" OD

Expert Overview

This industrial O-ring, constructed from robust Buna-N Nylon, offers superior sealing integrity. Engineered for critical applications, it provides reliable performance in challenging environments, ensuring leak-free operation.

StandardASME B18
MaterialNylon
FinishAnodized
GradeN/A
Inside Diameter1.875"
Outside Diameter7.139"
Cross Section0.202"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Buna-N Nylon O-ring is precision-manufactured to exacting standards. With an Inside Diameter of 1.875 inches, an Outside Diameter of 7.139 inches, and a Cross Section of 0.202 inches, it guarantees a precise fit. The Buna-N material offers excellent resistance to oils, fuels, and many hydraulic fluids, while the Nylon component enhances its structural integrity and abrasion resistance. This combination makes it ideal for dynamic and static sealing 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 sealing groove is clean, dry, and free of burrs or foreign debris. 2. Lubricate the O-ring lightly with a compatible lubricant to prevent damage during installation. 3. Carefully install the O-ring into the groove, avoiding stretching or twisting, ensuring it sits flush.

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
Using excessive force or tools that can nick or cut the O-ring during installation.Employ a rounded installation tool and apply gentle, even pressure. Ensure the O-ring is properly seated before assembly.
Installing on a contaminated or damaged groove surface.Thoroughly clean and inspect the groove for any imperfections before installing the O-ring. Any damage can compromise the seal.

Common Applications

  • Hydraulic Systems
  • Pneumatic Actuators
  • Fuel and Oil Lines
  • Industrial Pumps

⚠️ Engineering Warnings

  • Not suitable for exposure to ozone, strong acids, or polar solvents.
  • Ensure material compatibility with the specific fluid media and operating temperature range.

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 Actuators, Fuel and Oil Lines, Industrial Pumps.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.875"CS = 0.202"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.