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
127X141X29 DO CR60
127.0 mm
141.0 mm
29.0 mm
112.0 mm
12.0 mm
Cast iron
0.38 kg
141.3X157X25.4 DO CR60
141.3 mm
157.0 mm
25.4 mm
126.3 mm
11.8 mm
Cast iron
0.435 kg
143X160X27 DO CR60
143.0 mm
160.0 mm
27.0 mm
128.0 mm
12.0 mm
Cast iron
0.465 kg
150X170X32 DO CR60
150.0 mm
170.0 mm
32.0 mm
135.0 mm
14.5 mm
Cast iron
0.871 kg
154X168X27 DO CR60
154.0 mm
168.0 mm
27.0 mm
139.0 mm
12.0 mm
Cast iron
0.44 kg
165X183.5X28 DO CR60
165.0 mm
183.5 mm
28.0 mm
150.0 mm
13.5 mm
Cast iron
0.61 kg
169.05X188.5X32 DO CR60
169.05 mm
188.5 mm
32.0 mm
154.05 mm
15.2 mm
Cast iron
0.698 kg
171025
438.91 mm
42.14 mm
434.98 mm
18.39 mm
Steel
4.37 kg
177X200X30 DO CR60
177.0 mm
200.0 mm
30.0 mm
162.0 mm
14.5 mm
Cast iron
0.954 kg
178X199X32 DO CR60
178.0 mm
199.0 mm
32.0 mm
163.0 mm
14.5 mm
Cast iron
0.863 kg
191X210X28 DO CR60
191.0 mm
210.0 mm
28.0 mm
176.0 mm
12.5 mm
Cast iron
0.764 kg
192X215X34 DO CR60
192.0 mm
215.0 mm
34.0 mm
177.0 mm
16.5 mm
Cast iron
1.21 kg
205X227X30 DO CR60
205.0 mm
227.0 mm
30.0 mm
190.0 mm
14.5 mm
Cast iron
1.02 kg
220X239.5X31.8 DO CR60
220.0 mm
239.5 mm
31.8 mm
205.0 mm
14.5 mm
Cast iron
0.91 kg
223.5X251.5X46.6 DO CR60
223.5 mm
251.5 mm
46.6 mm
208.5 mm
22.0 mm
Cast iron
1.86 kg
226X250X41 DO CR60
226.0 mm
250.0 mm
41.0 mm
211.0 mm
20.0 mm
Cast iron
1.67 kg
238X261X31.8 DO CR60
238.0 mm
261.0 mm
31.8 mm
223.0 mm
14.5 mm
Cast iron
1.31 kg
63796
166.88 mm
34.29 mm
161.93 mm
15.19 mm
Steel
1.3 kg
64X76X17.6 DO CR60
64.0 mm
76.0 mm
17.6 mm
49.0 mm
8.0 mm
Cast iron
0.298 kg
64X78X25 DO CR60
64.0 mm
78.0 mm
25.0 mm
49.0 mm
12.5 mm
Cast iron
0.183 kg
67.5X86.5X32 DO CR60
67.5 mm
86.5 mm
32.0 mm
52.5 mm
14.5 mm
Cast iron
0.285 kg
718X750X50 DO CR60
718.0 mm
750.0 mm
50.0 mm
703.0 mm
23.5 mm
Cast iron
8.6 kg
74310
191.52 mm
34.14 mm
188.93 mm
20.14 mm
Steel
1.08 kg
77.5X87.6X13.5 DO CR60
77.5 mm
87.6 mm
13.5 mm
62.5 mm
7.5 mm
Cast iron
0.106 kg