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 60.0X6.0-N70
60.0 mm
6.0 mm
0.003 kg
OR 60.33X3.53-N70
60.33 mm
3.53 mm
0.0024 kg
OR 62.5X3.0-N70
62.5 mm
3.0 mm
0.002 kg
OR 625.0X17.0-N70
625.0 mm
17.0 mm
0.598 kg
OR 63.09X3.53-N70
63.09 mm
3.53 mm
230
0.0024 kg
OR 65.09X3.53-N70
65.09 mm
3.53 mm
0.0024 kg
OR 658.88X6.99-N70
658.88 mm
6.99 mm
475
0.108 kg
OR 66.04X5.33-N70
66.04 mm
5.33 mm
334
0.006 kg
OR 66.0X2.0-N70
66.0 mm
2.0 mm
0.0005 kg
OR 66.68X3.53-N70
66.68 mm
3.53 mm
0.0029 kg
OR 67.5X3.0-N70
67.5 mm
3.0 mm
0.0019 kg
OR 69.0X1.5-N70
69.0 mm
1.5 mm
0.0006 kg
OR 69.2X5.7-N70
69.2 mm
5.7 mm
0.0074 kg
OR 7.0X2.0-F70
7.0 mm
2.0 mm
0.0002 kg
OR 7.0X3.0-N70
7.0 mm
3.0 mm
0.0001 kg
OR 7.65X1.63-N70
7.65 mm
1.63 mm
8e-05 kg
OR 47.0X1.5-N70
47.0 mm
1.5 mm
0.0004 kg
OR 47.0X4.0-N70
47.0 mm
4.0 mm
0.0025 kg
OR 47.6X2.4-N70
47.6 mm
2.4 mm
0.0009 kg
OR 481.46X6.99-N70
481.46 mm
6.99 mm
467
0.0739 kg
OR 49.21X3.53-N70
49.21 mm
3.53 mm
0.0021 kg
OR 49.6X2.4-N70
49.6 mm
2.4 mm
0.0009 kg
OR 490.0X3.0-N70
490.0 mm
3.0 mm
0.0143 kg
OR 493.0X15.0-N70
493.0 mm
15.0 mm
0.356 kg