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
300X328X38 DO CR60
300.0 mm
328.0 mm
38.0 mm
285.0 mm
19.5 mm
Cast iron
2.05 kg
125X144X31.8 DO CR60
125.0 mm
144.0 mm
31.8 mm
110.0 mm
14.5 mm
Cast iron
0.505 kg
303X325X38 DO CR60
303.0 mm
325.0 mm
38.0 mm
288.0 mm
17.5 mm
Cast iron
2.01 kg
127X146X32 DO CR60
127.0 mm
146.0 mm
32.0 mm
112.0 mm
14.5 mm
Cast iron
0.509 kg
137570
353.31 mm
42.42 mm
349.25 mm
23.01 mm
Steel
3.73 kg
143X157X27 DO CR60
143.0 mm
157.0 mm
27.0 mm
128.0 mm
12.0 mm
Cast iron
0.403 kg
146X172X38 DO CR60
146.0 mm
172.0 mm
38.0 mm
131.0 mm
18.0 mm
Cast iron
0.887 kg
150X172X40 DO CR60
150.0 mm
172.0 mm
40.0 mm
135.0 mm
18.0 mm
Cast iron
0.911 kg
153X171.5X28 DO CR60
153.0 mm
171.5 mm
28.0 mm
138.0 mm
12.5 mm
Cast iron
0.632 kg
16904
44.7 mm
21.49 mm
42.88 mm
11.51 mm
Steel
0.145 kg
174X190X25.4 DO CR60
174.0 mm
190.0 mm
25.4 mm
159.0 mm
12.7 mm
Cast iron
0.539 kg
176X195X28 DO CR60
176.0 mm
195.0 mm
28.0 mm
161.0 mm
12.5 mm
Cast iron
0.744 kg
182.3X210.3X38 DO CR60
182.3 mm
210.3 mm
38.0 mm
167.3 mm
18.0 mm
Cast iron
1.38 kg
220X246X41 DO CR60
220.0 mm
246.0 mm
41.0 mm
205.0 mm
21.0 mm
Cast iron
1.94 kg
231X259.7X38 DO CR60
231.0 mm
259.7 mm
38.0 mm
216.0 mm
18.0 mm
Cast iron
1.79 kg
1047X1105X80 DO CR60
1047.0 mm
1105.0 mm
80.0 mm
1032.0 mm
34.5 mm
Cast iron
33.0 kg
238020
616.71 mm
47.02 mm
606.43 mm
25.86 mm
Steel
8.14 kg