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
80X105X10 HMS5 RG
80.0 mm
105.0 mm
10.0 mm
2340.0 r/min
Nitrile rubber (NBR)
0.0551 kg
750X814X25 HSS7 R
750.0 mm
814.0 mm
25.0 mm
191.0 r/min
Nitrile rubber (NBR)
2.38 kg
7515
19.05 mm
34.93 mm
6.35 mm
14407.0 r/min
Fluoro rubber (FKM)
0.0068 kg
7536
19.05 mm
34.93 mm
6.35 mm
3940.0 r/min
Nitrile rubber (NBR)
0.0068 kg
7550
19.05 mm
36.5 mm
6.35 mm
3940.0 r/min
Nitrile rubber (NBR)
0.0068 kg
755X795X20 HDS2 R
755.0 mm
795.0 mm
20.0 mm
379.0 r/min
Nitrile rubber (NBR)
2.32 kg
756-924-36 HS8 R
200.0 mm
238.13 mm
14.29 mm
955.0 r/min
Nitrile rubber (NBR)
0.2 kg
7573
19.05 mm
38.07 mm
6.35 mm
3960.0 r/min
Nitrile rubber (NBR)
0.0091 kg
75X100X10 HMSA10 V
75.0 mm
100.0 mm
10.0 mm
7560.0 r/min
Fluoro rubber (FKM)
0.0573 kg
75X100X12 HMSA10 V
75.0 mm
100.0 mm
12.0 mm
7560.0 r/min
Fluoro rubber (FKM)
0.0666 kg
75X115X10 HMSA10 RG
75.0 mm
115.0 mm
10.0 mm
2400.0 r/min
Nitrile rubber (NBR)
0.0723 kg
75X115X12 CRW1 R
75.0 mm
115.0 mm
12.0 mm
2400.0 r/min
Nitrile rubber (NBR)
0.087 kg
75X90X10 HMSA10 RG
75.0 mm
90.0 mm
10.0 mm
2400.0 r/min
Nitrile rubber (NBR)
0.0352 kg
75X95X10 CRW1 V
75.0 mm
95.0 mm
10.0 mm
7560.0 r/min
Fluoro rubber (FKM)
0.0476 kg
75X95X10 HMSA10 V
75.0 mm
95.0 mm
10.0 mm
7560.0 r/min
Fluoro rubber (FKM)
0.0501 kg
75X95X12 HMSA10 V
75.0 mm
95.0 mm
12.0 mm
7560.0 r/min
Fluoro rubber (FKM)
0.0555 kg
760X810X20 HDS2 V
760.0 mm
810.0 mm
20.0 mm
628.0 r/min
Fluoro rubber (FKM)
2.94 kg
760X820X25 HSS5 R
760.0 mm
820.0 mm
25.0 mm
327.0 r/min
Nitrile rubber (NBR)
1.94 kg
7623
19.05 mm
41.25 mm
6.35 mm
14407.0 r/min
Fluoro rubber (FKM)
0.0113 kg
7740
19.99 mm
28.55 mm
4.78 mm
3960.0 r/min
Nitrile rubber (NBR)
0.0045 kg
77531
196.85 mm
228.6 mm
15.88 mm
1455.0 r/min
Nitrile rubber (NBR)
0.544 kg
730X790X25 HDS1 R
730.0 mm
790.0 mm
25.0 mm
392.0 r/min
Nitrile rubber (NBR)
4.23 kg
73730
187.33 mm
215.9 mm
12.7 mm
1223.0 r/min
Nitrile rubber (NBR)
0.238 kg
7409
19.05 mm
25.502 mm
3.962 mm
3940.0 r/min
Nitrile rubber (NBR)
0.0023 kg