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.

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Designation Shaft diameter Housing bore diameter Housing groove width Seal width Limiting speed Sealing lip material Mass
200X230X16 HDS1 R
200.0 mm
230.0 mm
16.0 mm
1432.0 r/min
Nitrile rubber (NBR)
0.38 kg
200X235X18 HDS2 V
200.0 mm
235.0 mm
18.0 mm
2387.0 r/min
Fluoro rubber (FKM)
0.51 kg
200X235X18 HS8 R
200.0 mm
235.0 mm
18.0 mm
955.0 r/min
Nitrile rubber (NBR)
0.25 kg
200X240X16 HDS1 V
200.0 mm
240.0 mm
16.0 mm
2387.0 r/min
Fluoro rubber (FKM)
0.526 kg
200X240X16 HSS8 V
200.0 mm
240.0 mm
16.0 mm
955.0 r/min
Fluoro rubber (FKM)
0.23 kg
200X240X20 HDS2 R
200.0 mm
240.0 mm
20.0 mm
1432.0 r/min
Nitrile rubber (NBR)
0.648 kg
200X240X20 HS8 V
200.0 mm
240.0 mm
20.0 mm
955.0 r/min
Fluoro rubber (FKM)
0.316 kg
2012-2200-56 HSS5 V
512.78 mm
558.8 mm
22.22 mm
484.0 r/min
Fluoro rubber (FKM)
0.9 kg
20125
50.8 mm
85.623 mm
11.13 mm
3000.0 r/min
Nitrile rubber (NBR)
0.0703 kg
20144
50.8 mm
92.024 mm
11.13 mm
3000.0 r/min
Nitrile rubber (NBR)
0.0839 kg
2025560
514.35 mm
565.15 mm
22.23 mm
557.0 r/min
Nitrile rubber (NBR)
2.26 kg
2044602
519.13 mm
571.5 mm
19.05 mm
552.0 r/min
Nitrile rubber (NBR)
2.04 kg
20530
52.4 mm
69.85 mm
7.95 mm
2940.0 r/min
Nitrile rubber (NBR)
0.0318 kg
20560
52.0 mm
74.0 mm
8.0 mm
0.0331 kg
20594
52.4 mm
76.2 mm
9.53 mm
2940.0 r/min
Nitrile rubber (NBR)
0.0259 kg
20643
52.4 mm
77.749 mm
7.95 mm
2940.0 r/min
Nitrile rubber (NBR)
0.0454 kg
20702
52.4 mm
81.001 mm
9.53 mm
2940.0 r/min
Nitrile rubber (NBR)
0.0408 kg
19770
50.8 mm
66.929 mm
5.944 mm
2970.0 r/min
Nitrile rubber (NBR)
0.0159 kg
19777
50.8 mm
66.62 mm
7.95 mm
9540.0 r/min
Fluoro rubber (FKM)
0.0181 kg
19820
50.8 mm
69.901 mm
4.775 mm
2970.0 r/min
Nitrile rubber (NBR)
0.0159 kg
19831
50.8 mm
69.85 mm
7.95 mm
3000.0 r/min
Nitrile rubber (NBR)
0.0204 kg
19834
50.8 mm
69.85 mm
6.35 mm
2970.0 r/min
Nitrile rubber (NBR)
0.0204 kg
19876
50.0 mm
73.0 mm
17.0 mm
0.0943 kg
19896
50.8 mm
73.03 mm
9.53 mm
3000.0 r/min
Nitrile rubber (NBR)
0.043 kg