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
1025543
260.35 mm
311.15 mm
19.05 mm
1834.0 r/min
Fluoro rubber (FKM)
1.84 kg
990X1045X25 HDS1 R
990.0 mm
1045.0 mm
25.0 mm
289.0 r/min
Nitrile rubber (NBR)
5.23 kg
990X1045X25 HSS5 R
990.0 mm
1045.0 mm
25.0 mm
251.0 r/min
Nitrile rubber (NBR)
2.3 kg
9934
25.4 mm
41.25 mm
6.35 mm
3840.0 r/min
Nitrile rubber (NBR)
0.0091 kg
9967
25.4 mm
44.501 mm
7.95 mm
3827.0 r/min
Nitrile rubber (NBR)
0.0113 kg
9X13X3 HM4 R
9.0 mm
13.0 mm
3.0 mm
1860.0 r/min
Nitrile rubber (NBR)
0.0004 kg
G 17X25X3
17.0 mm
25.0 mm
3.0 mm
11234.0 r/min
Acrylonitrile-butadiene rubber (NBR)
0.00148 kg
G 38X48X4
38.0 mm
48.0 mm
4.0 mm
5026.0 r/min
Acrylonitrile-butadiene rubber (NBR)
0.0044 kg
G 45X52X4
45.0 mm
52.0 mm
4.0 mm
4244.0 r/min
Acrylonitrile-butadiene rubber (NBR)
0.00384 kg
PER.POS2003343TA
0.095 kg
PER.POS22530025SA
0.04 kg
PER.POS2753725VH
0.035 kg
1000-1100-32 HS5 R
254.0 mm
279.4 mm
12.7 mm
977.0 r/min
Nitrile rubber (NBR)
0.14 kg
1000-1132-44 HDS1 H
254.0 mm
292.1 mm
17.48 mm
1504.0 r/min
Hydrogenated nitrile rubber (HNBR)
0.67 kg
1000025
254.0 mm
304.8 mm
15.875 mm
564.0 r/min
Fluoro rubber (FKM)
0.989 kg
1000257
254.0 mm
292.1 mm
19.05 mm
564.0 r/min
Nitrile rubber (NBR)
0.957 kg
1000582
254.0 mm
304.8 mm
25.4 mm
1128.0 r/min
Nitrile rubber (NBR)
1.81 kg
1000X1050X25 HS5 R
1000.0 mm
1050.0 mm
25.0 mm
248.0 r/min
Nitrile rubber (NBR)
2.61 kg
1000X1064X25 HSS5 R
1000.0 mm
1064.0 mm
25.0 mm
248.0 r/min
Nitrile rubber (NBR)
2.7 kg
10034
25.4 mm
45.237 mm
11.91 mm
3827.0 r/min
Nitrile rubber (NBR)
0.0136 kg
10049
25.4 mm
46.43 mm
6.35 mm
3840.0 r/min
Nitrile rubber (NBR)
0.118 kg
970X1034X25 HSS6 H
970.0 mm
1034.0 mm
25.0 mm
197.0 r/min
Hydrogenated nitrile rubber (HNBR)
3.14 kg
97542
247.65 mm
282.575 mm
16.0 mm
925.0 r/min
Nitrile rubber (NBR)
0.681 kg
97545
247.65 mm
285.75 mm
15.88 mm
960.0 r/min
Nitrile rubber (NBR)
0.559 kg