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
401995
195.0 mm
210.0 mm
20.5 mm
Fluoro rubber (FKM)
0.0952 kg
402200
210.0 mm
235.0 mm
25.0 mm
Nitrile rubber (NBR)
0.141 kg
402502
233.0 mm
260.0 mm
10.5 mm
Nitrile rubber (NBR)
0.0272 kg
403002
285.0 mm
310.0 mm
10.5 mm
Nitrile rubber (NBR)
0.034 kg
403253
325.0 mm
330.0 mm
65.0 mm
Nitrile rubber (NBR)
1.18 kg
403303
330.0 mm
335.0 mm
65.0 mm
Nitrile rubber (NBR)
1.11 kg
403703
370.0 mm
375.0 mm
65.0 mm
Nitrile rubber (NBR)
1.48 kg
403903
390.0 mm
395.0 mm
65.0 mm
Nitrile rubber (NBR)
1.35 kg
403953
395.0 mm
400.0 mm
65.0 mm
Nitrile rubber (NBR)
1.56 kg
404553
455.0 mm
460.0 mm
65.0 mm
Nitrile rubber (NBR)
1.53 kg
404853
485.0 mm
490.0 mm
65.0 mm
Nitrile rubber (NBR)
1.67 kg
405003
500.0 mm
505.0 mm
65.0 mm
Nitrile rubber (NBR)
1.74 kg
405004
480.0 mm
530.0 mm
25.0 mm
Fluoro rubber (FKM)
0.508 kg
405053
505.0 mm
510.0 mm
65.0 mm
Nitrile rubber (NBR)
1.76 kg
400320
31.0 mm
33.0 mm
7.5 mm
Nitrile rubber (NBR)
0.0022 kg
400350
33.0 mm
36.0 mm
7.5 mm
Nitrile rubber (NBR)
0.0022 kg
400354
33.0 mm
36.0 mm
7.5 mm
Fluoro rubber (FKM)
0.0023 kg
400385
36.0 mm
38.0 mm
10.5 mm
Fluoro rubber (FKM)
0.0045 kg
400451
43.0 mm
48.0 mm
13.0 mm
Nitrile rubber (NBR)
0.0068 kg
400505
48.0 mm
53.0 mm
13.0 mm
Fluoro rubber (FKM)
0.0091 kg
400655
63.0 mm
68.0 mm
13.0 mm
Fluoro rubber (FKM)
0.0136 kg
400801
78.0 mm
83.0 mm
15.5 mm
Nitrile rubber (NBR)
0.0136 kg
400854
83.0 mm
88.0 mm
11.0 mm
Fluoro rubber (FKM)
0.0181 kg
400950
93.0 mm
98.0 mm
11.0 mm
Nitrile rubber (NBR)
0.0113 kg