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 596.27X7.0-N70
596.27 mm
7.0 mm
0.0492 kg
OR 500.0X5.0-N70
500.0 mm
5.0 mm
0.0381 kg
OR 506.81X5.33-N70
506.81 mm
5.33 mm
389
0.0448 kg
OR 52.07X2.62-N70
52.07 mm
2.62 mm
137
0.001 kg
OR 444.0X5.7-N70
444.0 mm
5.7 mm
0.0447 kg
OR 45.0X1.5-N70
45.0 mm
1.5 mm
0.0001 kg
OR 45.0X2.5-N70
45.0 mm
2.5 mm
0.0009 kg
OR 453.0X5.7-N70
453.0 mm
5.7 mm
0.0464 kg
OR 456.06X5.33-N70
456.06 mm
5.33 mm
387
0.0405 kg
OR 4.0X1.0-N70
4.0 mm
1.0 mm
0.0001 kg
OR 470.0X4.0-N70
470.0 mm
4.0 mm
0.0238 kg
OR 4.5X1.0-N70
4.5 mm
1.0 mm
0.0001 kg
OR 489.2X5.7-N70
489.2 mm
5.7 mm
0.051 kg
OR 40.0X2.0-N70
40.0 mm
2.0 mm
0.0004 kg
OR 49.5X3.0-F70
49.5 mm
3.0 mm
0.0023 kg
OR 40.95X2.62-N70
40.95 mm
2.62 mm
130
0.0009 kg
OR 5.0X1.0-N70
5.0 mm
1.0 mm
0.0001 kg
OR 405.26X5.33-N70
405.26 mm
5.33 mm
385
0.0345 kg
OR 405.26X6.99-N70
405.26 mm
6.99 mm
461
0.062 kg
OR 41.0X1.78-N70
41.0 mm
1.78 mm
030
0.0004 kg