V-ring seals

Seals Product Introduction

**Introduction to SKF Seals: High-Performance Shaft Seals and V-Ring Seals for Demanding Applications**

In industrial machinery, automotive systems, and precision equipment, effective sealing solutions are critical to ensuring reliability, longevity, and optimal performance. SKF, a global leader in bearing and seal technology, offers a comprehensive range of high-quality **shaft seals** and **V-ring seals** designed to withstand harsh operating conditions while minimizing friction, contamination, and maintenance requirements.

### **Technical Features of SKF Shaft Seals and V-Ring Seals**
SKF’s sealing solutions are engineered with advanced materials and precision designs to deliver superior performance in diverse applications. Key features include:

– **Robust Material Construction**: SKF seals are manufactured from high-grade elastomers, thermoplastics, and reinforced composites, ensuring resistance to wear, extreme temperatures, and aggressive chemicals.
– **Optimized Lip Designs**: The sealing lips are precision-molded to maintain consistent contact with shafts, preventing lubricant leakage and blocking contaminants like dust, water, and debris.
– **Enhanced Durability**: Specialized coatings and surface treatments reduce friction and extend service life, even in high-speed or high-load environments.
– **Versatile Configurations**: Available in radial shaft seals, axial seals, and V-ring seals, SKF offers solutions for both static and dynamic sealing applications.

### **Performance Advantages**
SKF shaft seals and V-ring seals provide significant operational benefits, including:

– **Improved Equipment Reliability**: By preventing lubricant loss and contamination ingress, SKF seals reduce premature bearing failure and downtime.
– **Energy Efficiency**: Low-friction designs minimize power losses, contributing to energy savings in motors, pumps, and gearboxes.
– **Easy Installation**: Many SKF seals feature split designs or pre-assembled units, simplifying maintenance and replacement in confined spaces.
– **Wide Temperature and Chemical Resistance**: Suitable for applications ranging from -40°C to +200°C (-40°F to +390°F), with compatibility for oils, greases, and industrial fluids.

### **Typical Applications**
SKF seals are trusted in industries where precision and durability are paramount:

– **Industrial Machinery**: Used in pumps, compressors, electric motors, and gearboxes to protect rotating shafts from contamination.
– **Automotive Systems**: Essential for transmissions, wheel hubs, and engine components, ensuring long-term performance under dynamic loads.
– **Precision Equipment**: Applied in robotics, medical devices, and aerospace systems where minimal friction and contamination control are critical.

By combining innovative engineering with proven reliability, SKF shaft seals and V-ring seals deliver unmatched protection and efficiency, making them the preferred choice for engineers and maintenance professionals worldwide. Whether in heavy industrial settings or high-precision applications, SKF sealing solutions enhance performance while reducing total cost of ownership.

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Designation Shaft diameter, minimum Shaft diameter, maximum Shaft diameter Seal width Sealing lip material Mass
690 VRME R
690.0 mm
700.0 mm
65.0 mm
Nitrile rubber (NBR)
1.81 kg
7 VA R
6.5 mm
8.0 mm
3.7 mm
Nitrile rubber (NBR)
0.00014 kg
7 VS V
6.5 mm
8.0 mm
5.2 mm
Fluoro rubber (FKM)
0.005 kg
700 VA V
665.0 mm
705.0 mm
25.0 mm
Fluoro rubber (FKM)
0.655 kg
720 VE R
720.0 mm
730.0 mm
65.0 mm
Nitrile rubber (NBR)
3.2 kg
725 VL R
710.0 mm
740.0 mm
10.5 mm
Nitrile rubber (NBR)
1.0 kg
725 VL V
710.0 mm
740.0 mm
10.5 mm
Fluoro rubber (FKM)
0.5 kg
740 VE R
740.0 mm
750.0 mm
65.0 mm
Nitrile rubber (NBR)
1.02 kg
75 VS V
73.0 mm
78.0 mm
15.5 mm
Fluoro rubber (FKM)
0.0307 kg
760 VE R
758.0 mm
766.0 mm
65.0 mm
Nitrile rubber (NBR)
2.54 kg
8 VA R
8.0 mm
9.5 mm
3.7 mm
Nitrile rubber (NBR)
0.0041 kg
8 VS R
8.0 mm
9.5 mm
5.2 mm
Nitrile rubber (NBR)
0.0061 kg
80 VA V
78.0 mm
83.0 mm
11.0 mm
Fluoro rubber (FKM)
0.0245 kg
810 VE R
801.0 mm
810.0 mm
65.0 mm
Nitrile rubber (NBR)
0.5 kg
850 VE R
841.0 mm
851.0 mm
65.0 mm
Nitrile rubber (NBR)
4.5 kg
870 VE R
861.0 mm
871.0 mm
65.0 mm
Nitrile rubber (NBR)
2.7 kg
900 VA R
875.0 mm
920.0 mm
25.0 mm
Nitrile rubber (NBR)
1.23 kg
900 VL R
875.0 mm
925.0 mm
10.5 mm
Nitrile rubber (NBR)
2.0 kg
470791
783.0 mm
792.0 mm
65.0 mm
Nitrile rubber (NBR)
2.05 kg
470881
871.0 mm
882.0 mm
65.0 mm
Nitrile rubber (NBR)
2.28 kg
471100
1085.0 mm
1105.0 mm
100.0 mm
Nitrile rubber (NBR)
4.66 kg
471751
1720.0 mm
1765.0 mm
65.0 mm
Nitrile rubber (NBR)
4.41 kg
471850
1810.0 mm
1855.0 mm
100.0 mm
Nitrile rubber (NBR)
7.65 kg
471851
1810.0 mm
1855.0 mm
65.0 mm
Nitrile rubber (NBR)
4.63 kg