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
46X59X20 DO CR60
46.0 mm
59.0 mm
20.0 mm
31.0 mm
8.5 mm
Cast iron
0.095 kg
51X65.67X26.8 DO CR60
51.0 mm
65.67 mm
26.8 mm
36.0 mm
11.85 mm
Cast iron
0.179 kg
225.5X252X38 DO CR60
225.5 mm
252.0 mm
38.0 mm
210.5 mm
18.0 mm
Cast iron
1.53 kg
530X560X50 DO CR60
530.0 mm
560.0 mm
50.0 mm
515.0 mm
23.5 mm
Cast iron
5.78 kg
235X259.7X38 DO CR60
235.0 mm
259.7 mm
38.0 mm
220.0 mm
18.0 mm
Cast iron
0.67 kg
538X566.8X43.6 DO CR60
538.0 mm
566.8 mm
43.6 mm
523.0 mm
19.7 mm
Cast iron
5.5 kg
236X274X42 DO CR60
236.0 mm
274.0 mm
42.0 mm
221.0 mm
18.8 mm
Cast iron
1.87 kg
540X567.9X39 DO CR60
540.0 mm
567.9 mm
39.0 mm
525.0 mm
18.4 mm
Cast iron
4.7 kg
300X328X40 DO CR60
300.0 mm
328.0 mm
40.0 mm
285.0 mm
18.5 mm
Cast iron
2.55 kg
58775
152.4 mm
37.85 mm
149.23 mm
18.39 mm
Steel
1.24 kg
30651
80.52 mm
23.16 mm
77.8 mm
12.07 mm
Steel
0.322 kg
318X346X38 DO CR60
318.0 mm
346.0 mm
38.0 mm
303.0 mm
18.0 mm
Cast iron
2.2 kg
35076
91.95 mm
24.43 mm
88.9 mm
12.98 mm
Steel
0.227 kg
367X394X38 DO CR60
367.0 mm
394.0 mm
38.0 mm
352.0 mm
17.5 mm
Cast iron
2.63 kg
385X413X46 DO CR60
385.0 mm
413.0 mm
46.0 mm
370.0 mm
22.0 mm
Cast iron
2.75 kg
38740
102.62 mm
25.45 mm
98.43 mm
13.31 mm
Steel
0.435 kg
43.5X58X24 DO CR60
43.5 mm
58.0 mm
24.0 mm
28.5 mm
10.5 mm
Cast iron
0.057 kg
208.7X222.8X26 DO CR60
208.7 mm
222.8 mm
26.0 mm
193.7 mm
11.5 mm
Cast iron
0.541 kg
817X865X46.6 DO CR60
817.0 mm
865.0 mm
46.6 mm
802.0 mm
21.3 mm
Cast iron
4.57 kg
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