O‑Ring 40x3.5 mm NBR

O‑Ring 40x3.5 mm NBR 70 ShA - Oil-Resistant Nitrile Rubber Sealing Ring (Pack of 100)

The O‑Ring 40x3.5 mm NBR 70 ShA is a high-quality sealing ring made of durable nitrile rubber (NBR), specifically designed for oil and fuel resistance in industrial and automotive applications. Supplied in a bulk pack of 100 pieces, this O-ring is a go-to solution for sealing static and dynamic components where moderate chemical and mechanical resistance is essential.

Engineered to deliver dependable performance in high-speed, high-pressure systems, this NBR O-ring offers outstanding elasticity and abrasion resistance. Its 70 ShA hardness ensures excellent shape retention and leak prevention over time.

✅ Perfect for hydraulic systems, pneumatic tools, water pumps, engines, compressors, valves, gearboxes, and more.

FAQ:

Q: What does 70 ShA mean?
A: It refers to Shore A hardness — 70 ShA is a standard value indicating a good balance between flexibility and durability.

Q: Is this O-ring suitable for oil exposure?
A: Yes, it’s made of NBR (Nitrile Butadiene Rubber), a material known for excellent resistance to oils, fuels, and greases.

Q: What applications is this size ideal for?
A: Commonly used in automotive, industrial machinery, and hydraulic/pneumatic systems.

Q: How is it packed?
A: Sold in packs of 100 pieces, conveniently sealed for industrial use.

Q: Do you ship internationally?
A: Yes. 📦 Orders are dispatched within 24h from our warehouse in Lublin, Poland.