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
56X70X25 DO CR60
56.0 mm
70.0 mm
25.0 mm
41.0 mm
12.0 mm
Cast iron
0.184 kg
58X74X24.8 DO CR60
58.0 mm
74.0 mm
24.8 mm
43.0 mm
12.4 mm
Cast iron
0.215 kg
591X626X50 DO CR60
591.0 mm
626.0 mm
50.0 mm
576.0 mm
22.0 mm
Cast iron
7.0 kg
63X80.5X26 DO CR60
63.0 mm
80.5 mm
26.0 mm
48.0 mm
11.5 mm
Cast iron
0.207 kg
660X695X53 DO CR60
660.0 mm
695.0 mm
53.0 mm
645.0 mm
23.5 mm
Cast iron
9.06 kg
67560
175.77 mm
32.0 mm
171.45 mm
16.66 mm
Steel
1.46 kg
68.5X89X24 DO CR60
68.5 mm
89.0 mm
24.0 mm
53.5 mm
11.0 mm
Cast iron
0.239 kg
71X84X20 DO CR60
71.0 mm
84.0 mm
20.0 mm
56.0 mm
8.5 mm
Cast iron
0.138 kg
79.5X92.5X20 DO CR60
79.5 mm
92.5 mm
20.0 mm
64.5 mm
8.5 mm
Cast iron
0.153 kg
807149
749.6 mm
47.02 mm
736.6 mm
26.11 mm
Steel
0.162 kg
807199
616.71 mm
47.02 mm
606.43 mm
25.86 mm
Steel
8.14 kg
83X102X28 DO CR60
83.0 mm
102.0 mm
28.0 mm
68.0 mm
12.5 mm
Cast iron
0.322 kg
86850
223.27 mm
41.71 mm
220.68 mm
23.67 mm
Steel
1.56 kg
88X108X24 DO CR60
88.0 mm
108.0 mm
24.0 mm
73.0 mm
11.0 mm
Cast iron
0.352 kg
559X590X50 DO CR60
559.0 mm
590.0 mm
50.0 mm
544.0 mm
23.5 mm
Cast iron
5.43 kg
95X114X32 DO CR60
95.0 mm
114.0 mm
32.0 mm
80.0 mm
15.0 mm
Cast iron
0.424 kg
56170
147.96 mm
33.02 mm
142.88 mm
16.51 mm
Steel
0.745 kg
282X314X40 DO CR60
282.0 mm
314.0 mm
40.0 mm
267.0 mm
18.0 mm
Cast iron
2.44 kg
318X341X38 DO CR60
318.0 mm
341.0 mm
38.0 mm
303.0 mm
17.5 mm
Cast iron
2.1 kg
318X346X46 DO CR60
318.0 mm
346.0 mm
46.0 mm
303.0 mm
22.0 mm
Cast iron
2.82 kg