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
19227
49.23 mm
66.62 mm
7.95 mm
9720.0 r/min
Fluoro rubber (FKM)
0.0204 kg
180X220X16 HDS1 V
180.0 mm
220.0 mm
16.0 mm
2653.0 r/min
Fluoro rubber (FKM)
0.478 kg
180X220X16 HDS2 R
180.0 mm
220.0 mm
16.0 mm
1592.0 r/min
Nitrile rubber (NBR)
0.483 kg
180X220X16 HSS4 R
180.0 mm
220.0 mm
16.0 mm
1592.0 r/min
Nitrile rubber (NBR)
0.21 kg
1825557
463.55 mm
514.35 mm
20.65 mm
309.0 r/min
Nitrile rubber (NBR)
1.83 kg
1832-2032-52 HS7 R
469.9 mm
520.7 mm
20.65 mm
305.0 r/min
Nitrile rubber (NBR)
1.61 kg
18444
46.838 mm
69.85 mm
7.95 mm
5700.0 r/min
Polyacrylate elastomer (ACM)
0.0227 kg
1850
4.775 mm
12.7 mm
3.175 mm
1500.0 r/min
Nitrile rubber (NBR)
0.0004 kg
1850552
469.9 mm
520.7 mm
20.65 mm
610.0 r/min
Nitrile rubber (NBR)
3.7 kg
185X225X16 HDS1 V
185.0 mm
225.0 mm
16.0 mm
16.0 mm
2581.0 r/min
Fluoro rubber (FKM)
0.49 kg
18666
47.63 mm
69.85 mm
7.95 mm
5700.0 r/min
Polyacrylate elastomer (ACM)
0.0204 kg
18671
47.63 mm
70.053 mm
7.95 mm
5700.0 r/min
Polyacrylate elastomer (ACM)
0.0204 kg
18733
47.63 mm
73.03 mm
7.95 mm
3060.0 r/min
Nitrile rubber (NBR)
0.0249 kg
1875380
476.25 mm
520.7 mm
19.05 mm
602.0 r/min
Nitrile rubber (NBR)
3.7 kg
1875540
476.25 mm
527.05 mm
19.05 mm
602.0 r/min
Nitrile rubber (NBR)
3.73 kg
18785
47.63 mm
76.124 mm
7.95 mm
3060.0 r/min
Nitrile rubber (NBR)
0.0263 kg
18891
47.625 mm
80.264 mm
19.558 mm
Polyacrylate elastomer (ACM)
0.0522 kg
18X30X6 HMS5 V
18.0 mm
30.0 mm
6.0 mm
14580.0 r/min
Fluoro rubber (FKM)
0.0054 kg
18X30X6 HMSA10 RG
18.0 mm
30.0 mm
6.0 mm
3900.0 r/min
Nitrile rubber (NBR)
0.0054 kg
18X30X7 HMS5 RG
18.0 mm
30.0 mm
7.0 mm
3900.0 r/min
Nitrile rubber (NBR)
0.0055 kg
18X30X7 HMS5 V
18.0 mm
30.0 mm
7.0 mm
14580.0 r/min
Fluoro rubber (FKM)
0.0061 kg
17X32X7 HMS5 V
17.0 mm
32.0 mm
7.0 mm
14717.0 r/min
Fluoro rubber (FKM)
0.0071 kg
17X35X7 HMSA10 V
17.0 mm
35.0 mm
7.0 mm
14717.0 r/min
Fluoro rubber (FKM)
0.0095 kg
17X37X7 HMS5 RG
17.0 mm
37.0 mm
7.0 mm
3900.0 r/min
Nitrile rubber (NBR)
0.0083 kg