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
832-1000-40 HS8 H
215.9 mm
254.0 mm
15.88 mm
885.0 r/min
Hydrogenated nitrile rubber (HNBR)
0.23 kg
832-932-40 HDS2 V
215.9 mm
241.3 mm
15.88 mm
2212.0 r/min
Fluoro rubber (FKM)
0.35 kg
840-1008-39 HS6 R
219.075 mm
257.175 mm
15.47 mm
2441.0 r/min
Nitrile rubber (NBR)
0.23 kg
850X890X20 HSS5 H
850.0 mm
890.0 mm
20.0 mm
292.0 r/min
Hydrogenated nitrile rubber (HNBR)
1.14 kg
850X900X22 HS8 R
850.0 mm
900.0 mm
22.0 mm
225.0 r/min
Nitrile rubber (NBR)
1.92 kg
780X844X25 HSS4 V
780.0 mm
844.0 mm
25.0 mm
367.0 r/min
Fluoro rubber (FKM)
2.13 kg
7824
19.84 mm
34.93 mm
7.95 mm
14278.0 r/min
Fluoro rubber (FKM)
0.009 kg
7829
19.84 mm
34.93 mm
7.95 mm
3960.0 r/min
Nitrile rubber (NBR)
0.0082 kg
78X100X10 HMS5 RG
78.0 mm
100.0 mm
10.0 mm
2340.0 r/min
Nitrile rubber (NBR)
0.0484 kg
78X100X10 HMSA10 V
78.0 mm
100.0 mm
10.0 mm
7380.0 r/min
Fluoro rubber (FKM)
0.0551 kg
7900-8103-48 HSS8 H
2006.6 mm
2058.59 mm
19.05 mm
95.0 r/min
Hydrogenated nitrile rubber (HNBR)
3.3 kg
790X850X25 HDS2 V
790.0 mm
850.0 mm
25.0 mm
604.0 r/min
Fluoro rubber (FKM)
4.46 kg
80088
203.2 mm
254.0 mm
25.4 mm
1410.0 r/min
Nitrile rubber (NBR)
1.48 kg
800X830X15 HDS1 R
800.0 mm
830.0 mm
15.0 mm
358.0 r/min
Nitrile rubber (NBR)
1.36 kg
8060
20.65 mm
34.93 mm
9.53 mm
3960.0 r/min
Nitrile rubber (NBR)
0.0091 kg
80X100X10 HMS5 RG
80.0 mm
100.0 mm
10.0 mm
2340.0 r/min
Nitrile rubber (NBR)
0.0459 kg
80X100X12 HMS5 RG
80.0 mm
100.0 mm
12.0 mm
2340.0 r/min
Nitrile rubber (NBR)
0.0535 kg
80X100X12 HMSA10 RG
80.0 mm
100.0 mm
12.0 mm
2340.0 r/min
Nitrile rubber (NBR)
0.054 kg
80X100X12 HMSA10 V
80.0 mm
100.0 mm
12.0 mm
7260.0 r/min
Fluoro rubber (FKM)
0.0584 kg
80X100X7 HMS5 RG1
80.0 mm
100.0 mm
7.0 mm
2340.0 r/min
Nitrile rubber (NBR)
0.0358 kg
80X100X7 HMSA10 V1
80.0 mm
100.0 mm
7.0 mm
7260.0 r/min
Fluoro rubber (FKM)
0.0404 kg
80X105X10 CRW1 V
80.0 mm
105.0 mm
10.0 mm
7260.0 r/min
Fluoro rubber (FKM)
0.0589 kg
80X125X10 CRW1 R
80.0 mm
125.0 mm
10.0 mm
2340.0 r/min
Nitrile rubber (NBR)
0.0975 kg
80X125X13 HMS5 RG
80.0 mm
125.0 mm
13.0 mm
2340.0 r/min
Nitrile rubber (NBR)
0.1 kg