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.

MORE +
CLOSE +
Designation Shaft diameter Housing bore diameter Housing groove width Seal width Limiting speed Sealing lip material Mass
24X32X4 HM4 R
24.0 mm
32.0 mm
4.0 mm
3840.0 r/min
Nitrile rubber (NBR)
0.0045 kg
230X260X20 HS8 D
230.0 mm
260.0 mm
20.0 mm
830.0 r/min
Carboxylated nitrile rubber (XNBR)
0.24 kg
230X260X20 HS8 V
230.0 mm
260.0 mm
20.0 mm
830.0 r/min
Fluoro rubber (FKM)
0.271 kg
230X265X15 HSS5 R
230.0 mm
265.0 mm
15.0 mm
1079.0 r/min
Nitrile rubber (NBR)
0.21 kg
230X270X20 HS8 R
230.0 mm
270.0 mm
20.0 mm
830.0 r/min
Nitrile rubber (NBR)
0.362 kg
23184
58.75 mm
88.9 mm
7.95 mm
2760.0 r/min
Nitrile rubber (NBR)
0.0318 kg
2320558
589.48 mm
640.28 mm
20.65 mm
324.0 r/min
Nitrile rubber (NBR)
1.74 kg
2325380
590.55 mm
635.0 mm
19.05 mm
485.0 r/min
Nitrile rubber (NBR)
4.31 kg
23277
58.75 mm
95.275 mm
12.7 mm
2760.0 r/min
Nitrile rubber (NBR)
0.043 kg
23300
59.131 mm
76.2 mm
10.03 mm
5100.0 r/min
Polyacrylate elastomer (ACM)
0.0226 kg
235X270X16 HDS2 R
235.0 mm
270.0 mm
16.0 mm
1219.0 r/min
Nitrile rubber (NBR)
0.514 kg
235X275X16 HSS5 H
235.0 mm
275.0 mm
16.0 mm
1057.0 r/min
Hydrogenated nitrile rubber (HNBR)
0.27 kg
23632
60.33 mm
76.124 mm
11.13 mm
2700.0 r/min
Nitrile rubber (NBR)
0.0408 kg
23644
60.33 mm
77.749 mm
11.13 mm
2700.0 r/min
Nitrile rubber (NBR)
0.0476 kg
23656
60.33 mm
79.38 mm
11.13 mm
8640.0 r/min
Fluoro rubber (FKM)
0.0489 kg
23841
60.33 mm
92.024 mm
11.13 mm
5040.0 r/min
Polyacrylate elastomer (ACM)
0.0726 kg
2400250
609.6 mm
647.7 mm
19.05 mm
470.0 r/min
Nitrile rubber (NBR)
4.38 kg
240X270X12.7 HS8 H
240.0 mm
270.0 mm
12.7 mm
796.0 r/min
Hydrogenated nitrile rubber (HNBR)
0.28 kg
240X270X15 HSS5 V
240.0 mm
270.0 mm
15.0 mm
1035.0 r/min
Fluoro rubber (FKM)
0.19 kg
240X275X18 HDS2 V
240.0 mm
275.0 mm
18.0 mm
1989.0 r/min
Fluoro rubber (FKM)
0.61 kg
240X280X16 HDS1 V
240.0 mm
280.0 mm
16.0 mm
1989.0 r/min
Fluoro rubber (FKM)
1.34 kg
22X35X7 HMSA10 RG
22.0 mm
35.0 mm
7.0 mm
3900.0 r/min
Nitrile rubber (NBR)
0.0071 kg
22X36X7 HMSA10 V
22.0 mm
36.0 mm
7.0 mm
13860.0 r/min
Fluoro rubber (FKM)
0.0088 kg
22X38X8 HMS5 V
22.0 mm
38.0 mm
8.0 mm
13860.0 r/min
Fluoro rubber (FKM)
0.0121 kg