Metal face seals

Seals Product Introduction

**Introduction to SKF Shaft Seals and Metal Face Seals: Engineered for Reliability and Performance**

In demanding industrial and automotive environments, effective sealing solutions are critical to preventing contamination, reducing friction, and extending equipment service life. SKF, a global leader in bearing and sealing technology, offers a comprehensive range of **shaft seals** and **metal face seals** designed to deliver superior performance in even the most challenging applications. Combining advanced materials, precision engineering, and rigorous testing, SKF seals ensure optimal protection for rotating equipment, enhancing efficiency and reducing maintenance costs.

### **Technical Features and Design Excellence**
SKF shaft seals and metal face seals are engineered to address common failure modes such as leakage, wear, and thermal degradation. Key features include:

– **Robust Materials**: SKF seals utilize high-performance elastomers, reinforced polymers, and corrosion-resistant metals (e.g., stainless steel or tungsten carbide for metal face seals) to withstand harsh operating conditions, including extreme temperatures, high pressures, and aggressive chemicals.
– **Advanced Lip Designs**: Precision-molded sealing lips with optimized geometries minimize friction while maintaining effective sealing against liquids, gases, and particulate contaminants.
– **Integrated Lubrication**: Many SKF seals incorporate self-lubricating materials or grease-filled cavities to reduce wear and extend service intervals.
– **Spring-Energized Options**: For high-pressure or dynamic applications, metal face seals may include spring-loaded mechanisms to maintain consistent contact pressure under varying loads and shaft movements.

### **Performance Advantages**
SKF sealing solutions provide measurable benefits across industries:

– **Extended Equipment Life**: By preventing lubricant loss and excluding contaminants, SKF seals reduce abrasive wear on bearings and shafts, significantly prolonging component lifespan.
– **Energy Efficiency**: Low-friction designs minimize power losses, contributing to energy savings in motors, pumps, and gearboxes.
– **Reliability in Extreme Conditions**: Whether in high-speed automotive transmissions, heavy-duty mining equipment, or precision medical devices, SKF seals maintain integrity under vibration, misalignment, and thermal cycling.
– **Customization**: SKF offers tailored solutions for specific applications, including split seals for easy installation and hybrid designs combining elastomeric and metallic elements.

### **Typical Applications**
SKF shaft seals and metal face seals are widely used in:

– **Industrial Machinery**: Pumps, compressors, and turbines requiring reliable sealing against water, dust, or process fluids.
– **Automotive Systems**: Axles, transmissions, and wheel hubs where high-speed rotation and temperature fluctuations demand durable seals.
– **Precision Equipment**: Robotics, aerospace actuators, and medical devices where minimal friction and leakage are critical.
– **Heavy-Duty Applications**: Construction and agricultural machinery exposed to dirt, moisture, and mechanical stress.

By leveraging decades of engineering expertise, SKF continues to set the standard for sealing technology, helping industries achieve higher uptime, lower total cost of ownership, and uncompromising performance. Whether for OEM integration or maintenance replacements, SKF seals provide a trusted solution for safeguarding critical rotating components.

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Designation Inside diameter Outside diameter Seal width Shaft diameter, maximum Nominal bore depth Sealing lip material Mass
208X229.6X35.4 DO CR60
208.0 mm
229.6 mm
35.4 mm
193.0 mm
17.0 mm
Cast iron
1.09 kg
825X865X48 DO CR60
825.0 mm
865.0 mm
48.0 mm
810.0 mm
18.4 mm
Cast iron
13.1 kg
209X234X42 DO CR60
209.0 mm
234.0 mm
42.0 mm
194.0 mm
19.5 mm
Cast iron
1.7 kg
890X951X80 DO CR60
890.0 mm
951.0 mm
80.0 mm
875.0 mm
30.0 mm
Cast iron
30.8 kg
216X237X30 DO CR60
216.0 mm
237.0 mm
30.0 mm
201.0 mm
14.5 mm
Cast iron
1.01 kg
90.5X109.5X32 DO CR60
90.5 mm
109.5 mm
32.0 mm
75.5 mm
14.5 mm
Cast iron
0.377 kg
223X251.5X38 DO CR60
223.0 mm
251.5 mm
38.0 mm
208.0 mm
18.0 mm
Cast iron
1.59 kg
902X941X60 DO CR60
902.0 mm
941.0 mm
60.0 mm
887.0 mm
23.8 mm
Cast iron
14.4 kg
99X120X28 DO CR60
99.0 mm
120.0 mm
28.0 mm
84.0 mm
12.5 mm
Cast iron
0.446 kg
100X119X32 DO CR60
100.0 mm
119.0 mm
32.0 mm
85.0 mm
14.5 mm
Cast iron
0.411 kg
114.5X129X21 DO CR60
114.5 mm
129.0 mm
21.0 mm
99.5 mm
9.2 mm
Cast iron
0.3 kg
115X137.5X31 DO CR60
115.0 mm
137.5 mm
31.0 mm
100.0 mm
14.5 mm
Cast iron
0.752 kg
120X138X32 DO CR60
120.0 mm
138.0 mm
32.0 mm
105.0 mm
14.5 mm
Cast iron
0.571 kg
127X140.7X25 DO CR60
127.0 mm
140.7 mm
25.0 mm
112.0 mm
12.7 mm
Cast iron
0.316 kg
1372X1425X80 DO CR60
1372.0 mm
1425.0 mm
80.0 mm
1357.0 mm
32.5 mm
Cast iron
37.5 kg
154X170X21 DO CR60
154.0 mm
170.0 mm
21.0 mm
139.0 mm
10.0 mm
Cast iron
0.47 kg
163X191X38 DO CR60
163.0 mm
191.0 mm
38.0 mm
148.0 mm
18.0 mm
Cast iron
1.18 kg
366X394X46.6 DO CR60
366.0 mm
394.0 mm
46.6 mm
351.0 mm
22.0 mm
Cast iron
3.31 kg
780X836X80 DO CR60
780.0 mm
836.0 mm
80.0 mm
765.0 mm
34.5 mm
Cast iron
23.9 kg
369X394X38 DO CR60
369.0 mm
394.0 mm
38.0 mm
354.0 mm
17.5 mm
Cast iron
2.47 kg