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
160X190X15 HFS R
160.0 mm
190.0 mm
15.0 mm
1790.5 r/min
Nitrile rubber (NBR)
0.15 kg
160X190X15 HMSA10 V
160.0 mm
190.0 mm
15.0 mm
4560.0 r/min
Fluoro rubber (FKM)
0.221 kg
160X190X16 HDS2 V
160.0 mm
190.0 mm
16.0 mm
2984.0 r/min
Fluoro rubber (FKM)
0.32 kg
1610X1670X25 HSS5 H
1610.0 mm
1670.0 mm
25.0 mm
154.0 r/min
Hydrogenated nitrile rubber (HNBR)
5.3 kg
16121
41.275 mm
61.9 mm
11.91 mm
3267.0 r/min
Nitrile rubber (NBR)
0.0408 kg
150X170X12 HMSA10 V
150.0 mm
170.0 mm
12.0 mm
4800.0 r/min
Fluoro rubber (FKM)
0.124 kg
150X170X15 CRSH1 R
150.0 mm
170.0 mm
15.0 mm
1500.0 r/min
Nitrile rubber (NBR)
0.206 kg
15142
38.1 mm
63.551 mm
7.95 mm
3360.0 r/min
Nitrile rubber (NBR)
0.0204 kg
15176
38.1 mm
65.049 mm
7.95 mm
3360.0 r/min
Nitrile rubber (NBR)
0.0204 kg
1525253
387.35 mm
425.45 mm
19.05 mm
1233.0 r/min
Fluoro rubber (FKM)
2.57 kg
1525257
387.35 mm
425.45 mm
19.05 mm
370.0 r/min
Nitrile rubber (NBR)
1.36 kg
1525542
387.35 mm
438.15 mm
19.05 mm
740.0 r/min
Nitrile rubber (NBR)
1.85 kg
1532-1700-48 HSS8 R
393.7 mm
431.8 mm
19.05 mm
485.0 r/min
Nitrile rubber (NBR)
1.08 kg
1550542
393.7 mm
444.5 mm
19.05 mm
728.0 r/min
Nitrile rubber (NBR)
2.38 kg
1550575
393.7 mm
444.5 mm
20.65 mm
728.0 r/min
Nitrile rubber (NBR)
2.38 kg
15508
39.7 mm
52.375 mm
6.35 mm
3300.0 r/min
Nitrile rubber (NBR)
0.0113 kg
1550X1610X25 HDS2 V
1550.0 mm
1610.0 mm
25.0 mm
308.0 r/min
Fluoro rubber (FKM)
11.8 kg
15543
39.7 mm
60.3 mm
7.95 mm
3300.0 r/min
Nitrile rubber (NBR)
0.0181 kg
155X180X15 HMSA10 RG
155.0 mm
180.0 mm
15.0 mm
1500.0 r/min
Nitrile rubber (NBR)
0.139 kg
15655
39.7 mm
63.551 mm
7.95 mm
3300.0 r/min
Nitrile rubber (NBR)
0.0204 kg
15699
39.7 mm
66.624 mm
7.95 mm
3300.0 r/min
Nitrile rubber (NBR)
0.0227 kg
1575243
400.05 mm
438.15 mm
17.48 mm
716.0 r/min
Carboxylated nitrile rubber (XNBR)
2.35 kg
1575245
400.05 mm
438.15 mm
17.48 mm
716.0 r/min
Nitrile rubber (NBR)
2.35 kg
1575370
400.05 mm
444.5 mm
17.48 mm
716.0 r/min
Nitrile rubber (NBR)
2.38 kg