O-rings

Seals Product Introduction

# **SKF Static Seals & O-Rings: Reliable Sealing Solutions for Demanding Industrial Applications**

In industrial machinery, automotive systems, and precision equipment, effective sealing is critical to preventing leaks, contamination, and premature component failure. SKF, a global leader in sealing technology, offers a comprehensive range of **static seals and O-rings** designed to deliver superior performance in even the most demanding environments. Engineered with precision materials and advanced manufacturing techniques, SKF static seals ensure long-lasting reliability, reduced maintenance costs, and enhanced operational efficiency.

## **Technical Features & Material Excellence**

SKF static seals and O-rings are manufactured using high-quality elastomers and engineered polymers, including:

– **NBR (Nitrile Rubber):** Excellent resistance to oils, fuels, and hydraulic fluids, making them ideal for automotive and industrial hydraulic systems.
– **FKM (Fluoroelastomer/Viton®):** Superior chemical and heat resistance, suitable for high-temperature applications in chemical processing and aerospace.
– **EPDM (Ethylene Propylene Diene Monomer):** Outstanding resistance to water, steam, and weathering, commonly used in food processing and HVAC systems.
– **Silicone & PTFE:** Used in extreme temperature ranges and applications requiring low friction or high purity, such as medical and semiconductor equipment.

SKF seals are precision-molded to ensure consistent dimensions and optimal compression set resistance, maintaining a secure seal over extended periods.

## **Performance Advantages**

– **Leak Prevention:** Precision-engineered sealing surfaces minimize fluid or gas leakage, even under high-pressure conditions.
– **Long Service Life:** High-grade materials resist degradation from chemicals, temperature fluctuations, and mechanical stress.
– **Reduced Friction & Wear:** Optimized seal geometry ensures minimal drag, enhancing energy efficiency in dynamic systems.
– **Wide Temperature & Pressure Range:** Suitable for applications ranging from cryogenic conditions to +300°C (depending on material).
– **Easy Installation:** Standardized sizes and robust design simplify assembly and replacement.

## **Typical Applications**

SKF static seals and O-rings are widely used across industries, including:

– **Industrial Machinery:** Hydraulic cylinders, pumps, compressors, and valve sealing in heavy equipment.
– **Automotive Systems:** Engine gaskets, fuel systems, transmission seals, and brake components.
– **Precision Equipment:** Semiconductor manufacturing, medical devices, and laboratory instruments requiring contamination-free sealing.
– **Energy & Chemical Processing:** Seals for pipelines, reactors, and offshore equipment exposed to aggressive media.

By choosing SKF static seals and O-rings, engineers and maintenance professionals benefit from a trusted sealing solution that enhances equipment durability, reduces downtime, and improves overall system performance. Whether in harsh industrial environments or precision applications, SKF delivers sealing reliability backed by decades of engineering expertise.

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Designation O-ring inside diameter O-ring cross section Dash-number Mass
OR 27.0X2.0-N70
27.0 mm
2.0 mm
0.0004 kg
OR 27.0X2.5-N70
27.0 mm
2.5 mm
0.0007 kg
OR 27.1X1.6-F70
27.1 mm
1.6 mm
0.0004 kg
OR 27.3X2.4-N70
27.3 mm
2.4 mm
0.0005 kg
OR 28.17X3.53-N70
28.17 mm
3.53 mm
216
0.0011 kg
OR 289.3X5.7-N70
289.3 mm
5.7 mm
0.0309 kg
OR 291.47X5.33-N70
291.47 mm
5.33 mm
380
0.026 kg
OR 296.0X2.5-N70
296.0 mm
2.5 mm
0.0056 kg
OR 30.0X2.0-N70
30.0 mm
2.0 mm
0.0004 kg
OR 304.17X6.99-N70
304.17 mm
6.99 mm
453
0.0485 kg
OR 31.42X2.62-N70
31.42 mm
2.62 mm
124
0.0007 kg
OR 32.1X1.6-N70
32.1 mm
1.6 mm
0.0001 kg
OR 32.2X3.0-N70
32.2 mm
3.0 mm
0.001 kg
OR 32.92X3.53-N70
32.92 mm
3.53 mm
219
0.0014 kg
OR 325.0X5.0-N70
325.0 mm
5.0 mm
0.0251 kg
OR 328.0X2.5-N70
328.0 mm
2.5 mm
0.0061 kg
OR 21.89X2.62-F70
21.89 mm
2.62 mm
118
0.0008 kg
OR 210.0X4.0-N70
210.0 mm
4.0 mm
0.0108 kg
OR 213.0X3.0-N70
213.0 mm
3.0 mm
0.005 kg
OR 213.0X5.0-N70
213.0 mm
5.0 mm
0.0161 kg
OR 215.3X6.99-N70
215.3 mm
6.99 mm
446
0.034 kg
OR 217.0X3.0-N70
217.0 mm
3.0 mm
0.0064 kg
OR 219.1X8.4-N70
219.1 mm
8.4 mm
0.056 kg
OR 22.22X2.62-F70
22.22 mm
2.62 mm
0.0008 kg