2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal
2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal

2.4mm Cross Section O-Rings NBR Nitrile Rubber 7mm - 200mm OD Oil Resistant Seal

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Size(OD¡ÁID¡ÁCS):7x2.2x2.4mm
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Versatile 2.4mm NBR O-Ring Seals

Medium Cross Section | 6mm-200mm OD Range | All-Purpose Sealing Solution for Automotive & Industrial Applications

🔧 Multi-Purpose • 🛢️ Oil & Chemical Resistant

⚖️ Versatile 2.4mm Cross Section

The perfect balance between flexibility and durability - ideal for a wide range of automotive, industrial, and plumbing applications requiring reliable sealing performance.

📐 Comprehensive Size Range

Outer Diameter: 6mm to 200mm | Cross Section: 2.4mm (Medium Duty)

Perfect for everything from small automotive components to medium industrial equipment

📏 Product Specifications | NBR O-Ring Seals

Material Nitrile Rubber (NBR/Buna-N)
Color Black
Hardness 70A Shore Durometer
Temperature Range -40°C to +120°C (-40°F to 248°F)
Cross Section 2.4mm (Medium Duty)
Outer Diameter Range 6mm to 200mm
Pressure Rating Medium Pressure Applications

Performance Features | NBR Rubber Sealing Properties

🛢️ Excellent Oil Resistance

Superior performance with petroleum-based oils, fuels, and hydraulic fluids

💪 Balanced Durability

2.4mm cross section provides optimal balance of flexibility and strength

🌡️ Wide Temperature Range

Reliable performance from -40°C to +120°C in various environments

🌀 Chemical Resistant

Resistant to ozone, weathering, and many industrial chemicals

🏭 Application Areas | Multi-Purpose Sealing Solutions

🚗
Automotive
🔧
Industrial
💧
Plumbing
🏠
Household
⚙️
Machinery
🔌
Equipment
  • 🚗 Automotive Systems: Engine components, fuel systems, transmission seals
  • 🔧 Industrial Equipment: Pumps, compressors, hydraulic tools, machinery
  • 💧 Plumbing Systems: Pipe connections, valves, faucets, water systems
  • 🏠 Household Appliances: Kitchen and bathroom fixtures, appliances
  • ⚙️ Manufacturing: Production equipment, assembly line machinery

📝 Professional Tip: The 2.4mm cross section offers excellent versatility for most common applications. Ensure proper groove design with adequate clearance for optimal sealing performance and longevity.

FAQ | O-Ring Selection Guide

The 2.4mm cross section represents the ideal balance for most general-purpose applications. It's thick enough to provide good extrusion resistance for medium-pressure applications (up to 1500 psi), while still being flexible enough for easy installation. This makes it perfect for automotive repairs, industrial maintenance, plumbing, and most DIY projects where you need reliable sealing without the stiffness of thicker O-rings.

Our 2.4mm NBR O-rings with 70A hardness are rated for medium-pressure applications, typically handling pressures up to 1500 psi (103 bar) with proper groove design. This makes them suitable for most automotive systems, hydraulic tools, industrial equipment, and plumbing applications. For higher pressure requirements, consider our thicker cross section options, but for the vast majority of applications, 2.4mm provides the perfect balance of performance and ease of use.

To determine the correct O-ring size, you need to measure either the groove where it will sit or the mating surfaces it will seal between. For groove installation, measure the groove ID and width. For surface sealing, measure the piston/rod diameter and housing bore. Our 2.4mm cross section requires a groove width of approximately 2.8-3.5mm. When replacing an existing O-ring, simply match its dimensions. If unsure, our size assortment kits are perfect for having multiple options available.

Yes, NBR O-rings are excellent for fuel applications. They provide superior resistance to gasoline, diesel, and most petroleum-based fuels. The 2.4mm cross section works well in fuel system components, carburetors, fuel pumps, and fuel injection systems. However, for ethanol-blended fuels or biodiesel, consult our compatibility charts as these may require special compound considerations for long-term performance.

Absolutely! We offer comprehensive assortment kits that include the most popular sizes from our 6mm-200mm OD range with 2.4mm cross section. These kits are ideal for repair technicians, maintenance professionals, and serious DIY enthusiasts who need various sizes readily available. Our kits are organized by size and come with a durable storage case. Check our store for current kit options and special bundle p