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
13676
34.93 mm
57.15 mm
7.95 mm
3480.0 r/min
Nitrile rubber (NBR)
0.0181 kg
13689
34.93 mm
57.15 mm
6.35 mm
3489.0 r/min
Nitrile rubber (NBR)
0.0136 kg
1369290
347.68 mm
385.78 mm
25.4 mm
824.0 r/min
Nitrile rubber (NBR)
2.36 kg
13710
34.93 mm
57.963 mm
6.35 mm
3489.0 r/min
Nitrile rubber (NBR)
0.0159 kg
13711
34.925 mm
59.131 mm
10.312 mm
2752.0 r/min
Nitrile rubber (NBR)
0.0204 kg
1375242
349.25 mm
387.35 mm
17.48 mm
820.0 r/min
Nitrile rubber (NBR)
0.92 kg
13796
59.131 mm
61.9 mm
6.35 mm
2752.0 r/min
Nitrile rubber (NBR)
0.0204 kg
13810
34.93 mm
62.001 mm
7.95 mm
3480.0 r/min
Nitrile rubber (NBR)
0.02 kg
13878
34.93 mm
65.075 mm
9.53 mm
11577.0 r/min
Fluoro rubber (FKM)
0.0249 kg
13882
34.93 mm
66.624 mm
7.95 mm
11577.0 r/min
Fluoro rubber (FKM)
0.0249 kg
138X152X12 CRSA1 R
138.0 mm
152.0 mm
12.0 mm
1680.0 r/min
Nitrile rubber (NBR)
0.0657 kg
13912
34.93 mm
71.425 mm
9.53 mm
3480.0 r/min
Nitrile rubber (NBR)
0.0272 kg
13916
34.93 mm
72.009 mm
15.09 mm
1389.0 r/min
Nitrile rubber (NBR)
0.0658 kg
13925
34.93 mm
72.009 mm
7.95 mm
6420.0 r/min
Polyacrylate elastomer (ACM)
0.0272 kg
13937
34.93 mm
76.2 mm
12.7 mm
3489.0 r/min
Nitrile rubber (NBR)
0.0885 kg
13X26X7 HMS5 V
13.0 mm
26.0 mm
7.0 mm
14823.0 r/min
Fluoro rubber (FKM)
0.0056 kg
13X26X7 HMSA10 RG
13.0 mm
26.0 mm
7.0 mm
3450.0 r/min
Nitrile rubber (NBR)
0.0046 kg
1325540
336.55 mm
387.35 mm
19.05 mm
851.0 r/min
Nitrile rubber (NBR)
2.37 kg
1325580
336.55 mm
387.35 mm
25.4 mm
851.0 r/min
Nitrile rubber (NBR)
2.37 kg
13275
33.35 mm
76.098 mm
12.7 mm
3551.0 r/min
Nitrile rubber (NBR)
0.0939 kg
1332-1500-48 HSS6 R
342.9 mm
381.0 mm
19.05 mm
557.0 r/min
Nitrile rubber (NBR)
0.43 kg
13419
33.731 mm
58.725 mm
10.998 mm
3533.0 r/min
Nitrile rubber (NBR)
0.0249 kg
1350233
342.9 mm
381.0 mm
15.88 mm
835.0 r/min
Carboxylated nitrile rubber (XNBR)
2.26 kg
1350235
342.9 mm
381.0 mm
15.875 mm
724.0 r/min
Carboxylated nitrile rubber (XNBR)
1.24 kg