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
1550160
393.7 mm
428.63 mm
15.88 mm
728.0 r/min
Nitrile rubber (NBR)
2.59 kg
1550250
393.7 mm
431.8 mm
19.05 mm
728.0 r/min
Nitrile rubber (NBR)
2.6 kg
1550257
393.7 mm
431.8 mm
19.05 mm
364.0 r/min
Nitrile rubber (NBR)
1.37 kg
1550580
393.7 mm
444.5 mm
25.4 mm
728.0 r/min
Nitrile rubber (NBR)
2.01 kg
15510
40.081 mm
52.883 mm
6.35 mm
3300.0 r/min
Nitrile rubber (NBR)
0.0113 kg
145X230X17 HMSA10 RG
145.0 mm
230.0 mm
17.0 mm
1560.0 r/min
Nitrile rubber (NBR)
0.28 kg
1463250
371.48 mm
409.58 mm
19.05 mm
771.0 r/min
Nitrile rubber (NBR)
1.06 kg
1475253
374.65 mm
412.75 mm
19.05 mm
1274.0 r/min
Fluoro rubber (FKM)
1.07 kg
1475372
374.65 mm
419.1 mm
17.48 mm
765.0 r/min
Nitrile rubber (NBR)
2.54 kg
1475383
374.65 mm
419.1 mm
17.48 mm
1274.0 r/min
Fluoro rubber (FKM)
2.54 kg
14816
38.1 mm
49.225 mm
6.35 mm
3379.0 r/min
Nitrile rubber (NBR)
0.0091 kg
14864
38.1 mm
52.375 mm
7.95 mm
3360.0 r/min
Nitrile rubber (NBR)
0.0127 kg
1491600
378.61 mm
431.8 mm
22.23 mm
757.0 r/min
Nitrile rubber (NBR)
2.6 kg
14942
38.1 mm
57.15 mm
7.95 mm
11103.0 r/min
Fluoro rubber (FKM)
0.0222 kg
14960
38.1 mm
57.15 mm
6.35 mm
3379.0 r/min
Nitrile rubber (NBR)
0.014 kg
14X24X7 HMS5 V
14.0 mm
24.0 mm
7.0 mm
14897.0 r/min
Fluoro rubber (FKM)
0.0045 kg
14X25X5 HMS5 RG
14.0 mm
25.0 mm
5.0 mm
3660.0 r/min
Nitrile rubber (NBR)
0.003 kg
14X25X5 HMS5 V
14.0 mm
25.0 mm
5.0 mm
14897.0 r/min
Fluoro rubber (FKM)
0.0034 kg
14X30X7 HMS5 RG
14.0 mm
30.0 mm
7.0 mm
3660.0 r/min
Nitrile rubber (NBR)
0.0058 kg
1500257
381.0 mm
419.1 mm
19.05 mm
376.0 r/min
Nitrile rubber (NBR)
1.34 kg
1500410
381.0 mm
425.45 mm
22.23 mm
752.0 r/min
Nitrile rubber (NBR)
2.57 kg
1500540
381.0 mm
431.8 mm
19.05 mm
752.0 r/min
Nitrile rubber (NBR)
1.46 kg
1500558
381.0 mm
431.8 mm
20.65 mm
501.0 r/min
Nitrile rubber (NBR)
0.7 kg
15032
59.131 mm
60.3 mm
6.35 mm
2752.0 r/min
Nitrile rubber (NBR)
0.024 kg