O-Ring 13x2.5 NBR Nitrile Rubber Sealing Ring

O-Ring 13x2.5 NBR 70ShA - Industrial-Grade Oil-Resistant Sealing Ring

The 13x2.5 mm O-Ring is manufactured from NBR (nitrile butadiene rubber) with a standard hardness of 70 Shore A, offering strong resistance to mineral oils, fuels, lubricants, and abrasion. Perfect for static and dynamic sealing in hydraulic and pneumatic systems, this O-ring is a reliable component for industry professionals.

Its compact dimensions and robust chemical resistance make it a go-to choice for sealing machine parts, fittings, pumps, and valves.

Technical Specifications:

• Product Name: O-Ring 13x2.5 NBR 70ShA

• Inner Diameter (ID): 13 mm

• Cross-Section (CS): 2.5 mm

• Material: Nitrile Butadiene Rubber (NBR)

• Hardness: 70 Shore A

• Temperature Range: approx. -30°C to +100°C

• Packaging: 1000 pieces per pack

• Standard Compliance: DIN 3771 / ISO 3601

Key Features & Applications

Features:

• Made from high-quality NBR rubber

• Resistant to oils, greases, hydraulic fluids, and fuels

• Reliable 70ShA hardness for universal sealing tasks

• Bulk pack (1000 pcs) - cost-effective for industrial production and maintenance

• Suitable for both static and light dynamic sealing

Typical Applications:

• Hydraulic cylinders and valves

• Pneumatic systems and fittings

• Automotive maintenance and manufacturing

• Mechanical seals for pumps and gearboxes

• OEM and aftermarket production environments

Frequently Asked Questions (FAQ)

🔹 What does “13x2.5” mean in O-rings?
It refers to the inner diameter (13 mm) and the cross-section thickness (2.5 mm).

🔹 Is NBR rubber oil-resistant?
Yes, NBR is one of the most oil- and fuel-resistant elastomers used in industrial sealing.

🔹 What is the hardness level of this O-ring?
This O-ring has a standard 70 Shore A hardness, ideal for most sealing applications.

🔹 How is it packaged and priced?
It comes in packs of 1000 pcs, ideal for industrial use and wholesale. Pricing is per pack.

🔹 Is 24h shipping available?
Yes - the product is in stock and ready for 24-hour dispatch from our warehouse in Lublin, Poland.