O‑Ring 255x5 mm NBR 70 ShA

O‑Ring 255x5 mm NBR 70 ShA - Industrial Nitrile Seal

The O‑Ring 255x5 mm NBR 70 ShA is a versatile and high-performance sealing ring made of nitrile rubber (NBR) with 70 Shore A hardness. A top choice for global professionals in hydraulic, pneumatic, automotive, and industrial applications.

Key Features:

• NBR Material, 70 Shore A - Offers excellent resistance to mineral oils, fuels, grease, and abrasion, making it ideal for industrial use

• Metric Size: 255 mm inner diameter x 5 mm cross-section - Easily fits standard grooves and can be replaced with confidence

• Temperature range: from -30 °C to +100 °C (short-term up to +120 °C) - reliable under most operational conditions

• Applications: Perfect for pumps, hydraulic cylinders, valves, industrial machinery, and oil/lubrication systems

• Reliable and precise - manufacturing tolerances ensure consistent sealing performance and long lifespan

FAQ - Frequently Asked Questions

1. What applications is this O‑ring suitable for?
It’s designed for use in hydraulic pumps, cylinders, valves, piping systems, and lubrication units in industrial and automotive environments.

2. What does NBR 70 ShA mean?
It refers to nitrile rubber with 70 Shore A hardness, which ensures a good balance of flexibility and resistance to oils and mechanical wear.

3. Can it withstand contact with hydraulic fluid or fuel?
Yes, NBR is formulated to resist common petroleum-based fluids, grease, and oil.

4. Is O‑ring 255x5 mm a standard size?
Yes, this metric size is widely compatible with industrial grooves and replacement needs.

5. Is it available immediately?
Yes. The product is stocked in Lublin and available for 24 h dispatch to meet your urgent needs.