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 17.86X2.62-N70
17.86 mm
2.62 mm
0.0004 kg
OR 175.0X3.0-N70
175.0 mm
3.0 mm
0.0051 kg
OR 180.0X3.0-N70
180.0 mm
3.0 mm
0.0051 kg
OR 181.0X6.99-N70
181.0 mm
6.99 mm
0.0284 kg
OR 122.0X3.0-N70
122.0 mm
3.0 mm
0.004 kg
OR 125.0X2.4-N70
125.0 mm
2.4 mm
0.0024 kg
OR 126.37X5.33-N70
126.37 mm
5.33 mm
353
0.0125 kg
OR 126.37X6.99-N70
126.37 mm
6.99 mm
429
0.02 kg
OR 126.59X3.53-N70
126.59 mm
3.53 mm
250
0.005 kg
OR 127.0X5.33-N70
127.0 mm
5.33 mm
0.011 kg
OR 13.0X2.5-N70
13.0 mm
2.5 mm
0.0004 kg
OR 13.0X5.0-N70
13.0 mm
5.0 mm
0.0014 kg
OR 13.94X2.62-N70
13.94 mm
2.62 mm
113
0.0004 kg
OR 132.0X2.5-N70
132.0 mm
2.5 mm
0.002 kg
OR 134.5X6.99-N70
134.5 mm
6.99 mm
0.021 kg
OR 135.0X5.0-N70
135.0 mm
5.0 mm
0.011 kg
OR 139.07X5.33-N70
139.07 mm
5.33 mm
357
0.013 kg
OR 139.37X2.62-N70
139.37 mm
2.62 mm
161
0.003 kg
OR 139.7X5.33-N70
139.7 mm
5.33 mm
0.0125 kg
OR 14.0X2.0-N70
14.0 mm
2.0 mm
0.0001 kg
OR 14.0X4.0-N70
14.0 mm
4.0 mm
0.0009 kg
OR 14.3X2.4-N70
14.3 mm
2.4 mm
0.0001 kg
OR 140.0X4.0-N70
140.0 mm
4.0 mm
0.007 kg
OR 15.0X2.0-N70
15.0 mm
2.0 mm
0.0001 kg