O-ring 5x3.5 NBR
15 pcs.
€1.93
(net)
Price for: 100pcs.
O-ring 5x3.5 NBR 70Shore - premium nitrile rubber sealing ring, designed for industrial, hydraulic, pneumatic, and automotive systems. With outstanding oil and fuel resistance, this durable O-ring ensures long-lasting sealing performance. Sold in packs of 100 pcs, now available at simmering.pl, your trusted B2B supplier for professional sealing solutions.
Product Overview
The O-ring 5x3.5 NBR 70Shore is a premium quality nitrile rubber sealing ring, designed to deliver superior performance in demanding industrial, hydraulic, pneumatic, and mechanical applications. With a precise inner diameter of 5 mm and a cross-section of 3.5 mm, this seal ensures a reliable and leak-free connection in both static and dynamic systems.
Crafted from NBR (Nitrile Butadiene Rubber), this O-ring offers exceptional resistance to oils, fuels, greases, and water, while its excellent mechanical properties — including high abrasion resistance and low gas permeability — guarantee long-term reliability.
With a working temperature range of -30°C to +100°C (with short-term resistance up to +120°C), the O-ring 5x3.5 NBR 70Shore maintains flexibility and sealing performance even under challenging environmental conditions.
Technical Specifications
| Specification | Details |
|---|---|
| Material | NBR (Nitrile Butadiene Rubber) |
| Inner Diameter (ID) | 5 mm |
| Cross-Section (CS) | 3.5 mm |
| Hardness | 70 Shore A |
| Temperature Range | -30°C to +100°C (Short-term up to +120°C) |
| Chemical Resistance | Oils, fuels, greases, water, mild chemicals |
| Packaging | Pack of 100 pcs |
Key Applications
The O-ring 5x3.5 NBR 70Shore is widely used in:
✔️ Hydraulic systems
✔️ Pneumatic systems
✔️ Oil seals and radial shaft seals
✔️ Industrial machinery
✔️ Automotive engines and fuel systems
✔️ Sealing in pumps, valves, and technical equipment
Key Benefits
- Superior Oil & Fuel Resistance: Ideal for exposure to mineral oils, greases, and fuels.
- Outstanding Mechanical Strength: Excellent abrasion resistance and low gas permeability extend the lifespan of the seal.
- Precise Fit: Engineered to exact 5x3.5 mm dimensions for secure installation.
- Reliable Across Temperatures: Performs consistently from -30°C to +100°C, with short-term tolerance up to +120°C.
- Cost-Effective Packaging: Sold in packs of 100 pcs, allowing flexible inventory management for maintenance teams and manufacturers.
FAQ - Frequently Asked Questions
1. What is NBR rubber and why is it used for O-rings?
NBR (Nitrile Butadiene Rubber) is a synthetic rubber highly valued for its oil, fuel, and grease resistance, combined with excellent mechanical durability.
2. Is this O-ring suitable for hydraulic and pneumatic systems?
Yes, NBR O-rings are particularly recommended for hydraulic and pneumatic applications due to their excellent sealing properties in contact with oils and lubricants.
3. What is the hardness rating of 70 Shore A?
70 Shore A indicates that the rubber has a balanced hardness, providing flexibility for sealing and resistance to compression and wear.
4. What is the temperature range for this O-ring?
This O-ring works reliably between -30°C and +100°C, with short-term spikes tolerating up to +120°C.
5. How many O-rings are in each package?
Each package contains 100 pieces, making it ideal for industrial bulk purchasing.
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O-ring 5x3.5 NBR 70Shore - premium nitrile rubber sealing ring, designed for industrial, hydraulic, pneumatic, and automotive systems. With outstanding oil and fuel resistance, this durable O-ring ensures long-lasting sealing performance. Sold in packs of 100 pcs, now available at simmering.pl, your trusted B2B supplier for professional sealing solutions.