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
1638580
415.93 mm
466.73 mm
25.4 mm
25.4 mm
689.0 r/min
Nitrile rubber (NBR)
2.5 kg
16422
41.275 mm
76.2 mm
7.95 mm
3240.0 r/min
Nitrile rubber (NBR)
0.0544 kg
1648-1800-48 HDS2 R
425.45 mm
457.2 mm
19.05 mm
673.0 r/min
Nitrile rubber (NBR)
1.0 kg
1650130
419.1 mm
450.85 mm
19.05 mm
684.0 r/min
Nitrile rubber (NBR)
0.98 kg
1650252
419.1 mm
457.2 mm
19.05 mm
684.0 r/min
Nitrile rubber (NBR)
2.45 kg
1650255
419.1 mm
457.2 mm
19.05 mm
684.0 r/min
Nitrile rubber (NBR)
2.45 kg
1650540
419.1 mm
469.9 mm
19.05 mm
19.05 mm
684.0 r/min
Nitrile rubber (NBR)
2.52 kg
1650557
419.1 mm
469.9 mm
20.65 mm
342.0 r/min
Nitrile rubber (NBR)
1.55 kg
1650660
419.1 mm
482.6 mm
22.23 mm
22.23 mm
684.0 r/min
Nitrile rubber (NBR)
2.59 kg
15X24X7 HMS5 V1
15.0 mm
24.0 mm
7.0 mm
14884.0 r/min
Fluoro rubber (FKM)
0.0038 kg
15X24X7 HMSA10 RG1
15.0 mm
24.0 mm
7.0 mm
3780.0 r/min
Nitrile rubber (NBR)
0.0035 kg
15X25X5 HMS5 RG
15.0 mm
25.0 mm
5.0 mm
3780.0 r/min
Nitrile rubber (NBR)
0.0026 kg
15X28X7 CRW1 R
15.0 mm
28.0 mm
7.0 mm
3780.0 r/min
Nitrile rubber (NBR)
0.0068 kg
15X32X7 HMS5 RG
15.0 mm
32.0 mm
7.0 mm
3780.0 r/min
Nitrile rubber (NBR)
0.0064 kg
15X35X7 HMS5 RG
15.0 mm
35.0 mm
7.0 mm
3780.0 r/min
Nitrile rubber (NBR)
0.0085 kg
15X40X7 HMS5 RG
15.0 mm
40.0 mm
7.0 mm
3780.0 r/min
Nitrile rubber (NBR)
0.0101 kg
1600290
406.4 mm
444.5 mm
25.4 mm
705.0 r/min
Nitrile rubber (NBR)
2.38 kg
1600578
406.4 mm
457.2 mm
19.05 mm
470.0 r/min
Nitrile rubber (NBR)
1.44 kg
1600585
406.4 mm
457.2 mm
25.4 mm
705.0 r/min
Nitrile rubber (NBR)
2.45 kg
16047
41.275 mm
53.746 mm
7.95 mm
3240.0 r/min
Nitrile rubber (NBR)
0.0136 kg
16078
41.28 mm
57.15 mm
7.95 mm
10680.0 r/min
Fluoro rubber (FKM)
0.0159 kg
16079
41.275 mm
60.3 mm
12.7 mm
3240.0 r/min
Nitrile rubber (NBR)
0.0385 kg
16084
41.275 mm
60.3 mm
7.95 mm
3240.0 r/min
Nitrile rubber (NBR)
0.0181 kg
160X190X15 HDS1 V
160.0 mm
190.0 mm
15.0 mm
2984.0 r/min
Fluoro rubber (FKM)
0.29 kg