O-ring 290x7 NBR 80

O-ring 290x7 NBR 80 ShA - Heavy-Duty Seal for Demanding Applications

The O-ring 290x7 made from NBR (Nitrile Butadiene Rubber) with 80 ShA hardness is engineered for reliability in high-pressure, high-load industrial environments. Thanks to its increased hardness and excellent oil resistance, it ensures long-lasting tightness even under demanding conditions. Sold individually, it’s ideal for maintenance and servicing departments.

Technical Specifications:

• Inner Diameter (ID): 290 mm

• Cross Section (CS): 7 mm

• Material: NBR - Nitrile Butadiene Rubber

• Hardness: 80 ShA (Shore A)

• Color: Black

• Temperature Range: -30°C to +100°C

• Chemical Resistance: Excellent resistance to mineral oils, greases, fuels, and water

Key Features:

• ✔️ Increased Hardness (80 ShA): Superior performance under pressure and load

• ✔️ Excellent Oil & Fuel Resistance: Ideal for hydraulic and mechanical systems

• ✔️ Single-Piece Availability: Buy exactly as many as you need

• ✔️ Industry Standards: Compliant with ISO 3601

• ✔️ Leak-Free Sealing: Even in dynamic applications

⚙️ Applications:

• Hydraulic and pneumatic systems

• Industrial machinery

• Heavy-duty construction and agricultural equipment

• Oil & gas installations

• Engines, pumps, and valves

FAQ - Frequently Asked Questions:

1. What is the O-ring made of?
It’s made of NBR (Nitrile Butadiene Rubber), offering high resistance to oils and fuels.

2. What are its exact dimensions?
Inner diameter: 290 mm, Cross section: 7 mm, Hardness: 80 ShA.

3. What does 80 ShA hardness mean?
It indicates higher material stiffness, suitable for high-pressure, high-stress environments.

4. Can I use it in dynamic or high-speed applications?
Yes, it performs well under both static and dynamic loads.

5. Is it sold individually?
Yes, this O-ring is sold per piece for precise order quantities.