Radial shaft seals

Seals Product Introduction

**Introduction to SKF Radial Shaft Seals: Engineered for Performance and Reliability**

In demanding industrial environments, effective sealing solutions are critical to protecting rotating shafts from contamination, retaining lubricants, and ensuring long-term equipment reliability. SKF radial shaft seals are precision-engineered components designed to meet these challenges, offering superior performance across a wide range of applications—from heavy-duty industrial machinery to high-speed automotive systems and precision equipment.

### **Technical Features & Design Excellence**
SKF radial shaft seals combine advanced materials, innovative design, and rigorous manufacturing standards to deliver exceptional sealing efficiency. Key features include:

– **Robust Material Options**: SKF seals utilize high-quality elastomers (such as NBR, FKM, and ACM) and reinforced polymers, ensuring compatibility with diverse operating conditions, including extreme temperatures, aggressive chemicals, and high-pressure environments.
– **Optimized Lip Geometry**: The sealing lip is precision-designed to maintain consistent contact with the shaft, minimizing friction while effectively excluding contaminants like dust, water, and abrasive particles.
– **Enhanced Sealing Technologies**: Many SKF seals incorporate auxiliary lips, spring-loaded designs, or hydrodynamic wave patterns to improve sealing performance under dynamic conditions, reducing wear and extending service life.
– **Integrated Metal Casings**: For added durability, SKF seals often feature robust metal casings that provide structural stability and secure fitment in housings, even under vibration or misalignment.

### **Performance Advantages**
SKF radial shaft seals are trusted in critical applications due to their ability to:

– **Extend Bearing & Component Life**: By preventing lubricant leakage and blocking contaminants, SKF seals reduce wear on shafts and bearings, lowering maintenance costs and downtime.
– **Operate in Harsh Conditions**: Whether in high-speed motors, off-road vehicles, or food processing equipment, SKF seals maintain integrity under thermal cycling, chemical exposure, and mechanical stress.
– **Improve Energy Efficiency**: Low-friction designs minimize power loss, contributing to energy savings in pumps, compressors, and electric motors.

### **Typical Applications**
SKF radial shaft seals are widely used in industries where reliability is non-negotiable:

– **Industrial Machinery**: Pumps, gearboxes, conveyors, and electric motors benefit from SKF seals’ ability to handle heavy loads and harsh environments.
– **Automotive Systems**: From wheel hubs to transmission shafts, SKF seals ensure leak-free performance in passenger vehicles, commercial trucks, and off-highway equipment.
– **Precision Equipment**: Medical devices, robotics, and aerospace applications rely on SKF’s high-precision seals for smooth, contamination-free operation.

By integrating cutting-edge materials, intelligent design, and rigorous testing, SKF radial shaft seals set the benchmark for sealing solutions—delivering unmatched durability, efficiency, and protection across industries. Whether for OEMs or maintenance applications, SKF seals help engineers and operators achieve peak performance while reducing total cost of ownership.

For more details on selecting the right seal for your application, explore SKF’s comprehensive portfolio of radial shaft sealing solutions.

MORE +
CLOSE +
Designation Shaft diameter Housing bore diameter Housing groove width Seal width Limiting speed Sealing lip material Mass
342X380X16 HSS5 V
342.0 mm
380.0 mm
16.0 mm
726.0 r/min
Fluoro rubber (FKM)
0.36 kg
34379
87.325 mm
120.68 mm
11.13 mm
2220.0 r/min
Nitrile rubber (NBR)
0.083 kg
34408
87.325 mm
126.97 mm
11.13 mm
2220.0 r/min
Nitrile rubber (NBR)
0.113 kg
3450529
876.3 mm
927.1 mm
22.23 mm
327.0 r/min
Nitrile rubber (NBR)
3.84 kg
345X380X20 HDS1 R
345.0 mm
380.0 mm
20.0 mm
830.0 r/min
Nitrile rubber (NBR)
0.94 kg
32X47X6 HMS5 RG
32.0 mm
47.0 mm
6.0 mm
3600.0 r/min
Nitrile rubber (NBR)
0.0109 kg
32X47X6 HMSA10 RG
32.0 mm
47.0 mm
6.0 mm
3600.0 r/min
Nitrile rubber (NBR)
0.0095 kg
32X47X8 HMSA10 V
32.0 mm
47.0 mm
8.0 mm
12060.0 r/min
Fluoro rubber (FKM)
0.0142 kg
32X48X8 HMS5 RG
32.0 mm
48.0 mm
8.0 mm
3600.0 r/min
Nitrile rubber (NBR)
0.0126 kg
32X50X10 HMS5 RG
32.0 mm
50.0 mm
10.0 mm
3600.0 r/min
Nitrile rubber (NBR)
0.0158 kg
32X50X8 HMS5 V
32.0 mm
50.0 mm
8.0 mm
12060.0 r/min
Fluoro rubber (FKM)
0.0162 kg
32X52X8 HMS5 V
32.0 mm
52.0 mm
8.0 mm
12060.0 r/min
Fluoro rubber (FKM)
0.018 kg
32X72X7 HMS5 RG
32.0 mm
72.0 mm
7.0 mm
3600.0 r/min
Nitrile rubber (NBR)
0.0323 kg
3300-3439-48 HDS1 R
838.2 mm
879.17 mm
19.05 mm
19.05 mm
342.0 r/min
Nitrile rubber (NBR)
2.48 kg
3300792
838.2 mm
901.7 mm
19.05 mm
342.0 r/min
Nitrile rubber (NBR)
6.19 kg
330X370X16 HDS2 R
330.0 mm
370.0 mm
16.0 mm
868.0 r/min
Nitrile rubber (NBR)
0.264 kg
330X370X20 HSS4 R
330.0 mm
370.0 mm
20.0 mm
868.0 r/min
Nitrile rubber (NBR)
0.46 kg
330X370X20 HSS5 R
330.0 mm
370.0 mm
20.0 mm
752.0 r/min
Nitrile rubber (NBR)
1.31 kg
330X374X20 HDS2 R
330.0 mm
374.0 mm
20.0 mm
868.0 r/min
Nitrile rubber (NBR)
1.16 kg
330X380X24 HDS1 V
330.0 mm
380.0 mm
24.0 mm
1447.0 r/min
Fluoro rubber (FKM)
1.58 kg
330X390X25 HS5 V
330.0 mm
390.0 mm
25.0 mm
752.0 r/min
Fluoro rubber (FKM)
0.88 kg
33654
85.73 mm
108.71 mm
10.31 mm
5000.0 r/min
Silicone rubber (MVQ)
0.0617 kg
33712
85.73 mm
111.15 mm
11.13 mm
2220.0 r/min
Nitrile rubber (NBR)
0.097 kg
33X50X6 HMS5 V
33.0 mm
50.0 mm
6.0 mm
11880.0 r/min
Fluoro rubber (FKM)
0.0133 kg