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
6242
15.88 mm
28.6 mm
6.35 mm
3838.0 r/min
Nitrile rubber (NBR)
0.0068 kg
6247
15.88 mm
30.0 mm
6.35 mm
3840.0 r/min
Nitrile rubber (NBR)
0.0068 kg
6248
15.88 mm
29.997 mm
6.502 mm
14834.0 r/min
Fluoro rubber (FKM)
0.0068 kg
62482
158.75 mm
184.201 mm
12.7 mm
1440.0 r/min
Nitrile rubber (NBR)
0.204 kg
6250560
1587.5 mm
1638.3 mm
22.23 mm
180.0 r/min
Nitrile rubber (NBR)
12.0 kg
62535
158.75 mm
196.85 mm
12.7 mm
1440.0 r/min
Nitrile rubber (NBR)
0.279 kg
6280
15.88 mm
31.75 mm
7.95 mm
3838.0 r/min
Nitrile rubber (NBR)
0.0091 kg
62X80X10 HMSA10 V
62.0 mm
80.0 mm
10.0 mm
8520.0 r/min
Fluoro rubber (FKM)
0.0374 kg
62X85X10 HMSA10 V
62.0 mm
85.0 mm
10.0 mm
8520.0 r/min
Fluoro rubber (FKM)
0.0454 kg
62X85X8 CRW1 R
62.0 mm
85.0 mm
8.0 mm
2700.0 r/min
Nitrile rubber (NBR)
0.0272 kg
62X90X10 HMS5 V
62.0 mm
90.0 mm
10.0 mm
8520.0 r/min
Fluoro rubber (FKM)
0.0525 kg
62X90X10 HMSA10 RG
62.0 mm
90.0 mm
10.0 mm
2700.0 r/min
Nitrile rubber (NBR)
0.0473 kg
62X90X12 HMS5 RG
62.0 mm
90.0 mm
12.0 mm
2700.0 r/min
Nitrile rubber (NBR)
0.054 kg
630X670X20 HS8 R
630.0 mm
670.0 mm
20.0 mm
303.0 r/min
Nitrile rubber (NBR)
1.03 kg
63700
161.93 mm
187.33 mm
15.88 mm
1440.0 r/min
Nitrile rubber (NBR)
0.231 kg
63X90X10 HMS5 V
63.0 mm
90.0 mm
10.0 mm
8400.0 r/min
Fluoro rubber (FKM)
0.0506 kg
63X90X10 HMSA10 V
63.0 mm
90.0 mm
10.0 mm
8400.0 r/min
Fluoro rubber (FKM)
0.0512 kg
596466
234.95 mm
266.7 mm
15.88 mm
2032.0 r/min
Fluoro rubber (FKM)
1.55 kg
600X640X20 HDS1 R
600.0 mm
640.0 mm
20.0 mm
477.0 r/min
Nitrile rubber (NBR)
1.84 kg
600X650X25 HS8 R
600.0 mm
650.0 mm
25.0 mm
318.0 r/min
Nitrile rubber (NBR)
1.49 kg
604X640X22 HDS1 V
604.0 mm
640.0 mm
22.0 mm
791.0 r/min
Fluoro rubber (FKM)
1.83 kg
60X105X8 CRW1 R
60.0 mm
105.0 mm
8.0 mm
2760.0 r/min
Nitrile rubber (NBR)
0.0476 kg
60X110X12 HMS5 V
60.0 mm
110.0 mm
12.0 mm
8700.0 r/min
Fluoro rubber (FKM)
0.0896 kg
60X110X12 HMSA10 RG
60.0 mm
110.0 mm
12.0 mm
2760.0 r/min
Nitrile rubber (NBR)
0.0896 kg