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
224X260X16 HDS1 R
224.0 mm
260.0 mm
16.0 mm
1279.0 r/min
Nitrile rubber (NBR)
0.6 kg
224X260X16 HDS1 V
224.0 mm
260.0 mm
16.0 mm
2132.0 r/min
Fluoro rubber (FKM)
0.52 kg
22558
57.15 mm
85.623 mm
11.13 mm
2820.0 r/min
Nitrile rubber (NBR)
0.0635 kg
22590
57.15 mm
88.9 mm
11.13 mm
8940.0 r/min
Fluoro rubber (FKM)
0.0725 kg
225X260X22 HDS1 R
225.0 mm
260.0 mm
22.0 mm
1273.0 r/min
Nitrile rubber (NBR)
1.39 kg
22614
56.896 mm
81.001 mm
15.49 mm
2806.0 r/min
Nitrile rubber (NBR)
0.0363 kg
22X32X7 CRW1 R
22.0 mm
32.0 mm
7.0 mm
3900.0 r/min
Nitrile rubber (NBR)
0.0054 kg
22X36X7 HMS5 V
22.0 mm
36.0 mm
7.0 mm
13860.0 r/min
Fluoro rubber (FKM)
0.0086 kg
22X38X7 CRW1 R
22.0 mm
38.0 mm
7.0 mm
3900.0 r/min
Nitrile rubber (NBR)
0.0131 kg
210X250X16 HSS8 R
210.0 mm
250.0 mm
16.0 mm
909.0 r/min
Nitrile rubber (NBR)
0.24 kg
210X250X20 HDS1 R
210.0 mm
250.0 mm
20.0 mm
1364.0 r/min
Nitrile rubber (NBR)
0.687 kg
21103
53.975 mm
73.03 mm
9.53 mm
5000.0 r/min
Silicone rubber (MVQ)
0.0227 kg
21213
53.975 mm
77.749 mm
12.7 mm
2880.0 r/min
Nitrile rubber (NBR)
0.0567 kg
21270
53.975 mm
81.001 mm
11.91 mm
5000.0 r/min
Silicone rubber (MVQ)
0.0612 kg
2130X2194X25 HSS4 H
2130.0 mm
2194.0 mm
25.0 mm
134.0 r/min
Hydrogenated nitrile rubber (HNBR)
5.67 kg
2144600
544.53 mm
596.9 mm
22.23 mm
526.0 r/min
Nitrile rubber (NBR)
2.5 kg
2150380
546.1 mm
590.55 mm
19.05 mm
525.0 r/min
Nitrile rubber (NBR)
4.07 kg
2150520
546.1 mm
596.9 mm
15.88 mm
525.0 r/min
Nitrile rubber (NBR)
4.11 kg
2150550
546.1 mm
596.9 mm
20.65 mm
525.0 r/min
Nitrile rubber (NBR)
4.11 kg
2150574
546.1 mm
596.9 mm
20.32 mm
874.0 r/min
Fluoro rubber (FKM)
4.11 kg
215X250X16 HSS5 R
215.0 mm
250.0 mm
16.0 mm
1155.0 r/min
Nitrile rubber (NBR)
0.21 kg
2175252
552.45 mm
590.55 mm
19.05 mm
519.0 r/min
Nitrile rubber (NBR)
4.07 kg
21763
55.58 mm
76.2 mm
9.53 mm
9060.0 r/min
Fluoro rubber (FKM)
0.0249 kg
219X249X15 HSS4 H
219.0 mm
249.0 mm
15.0 mm
1308.0 r/min
Hydrogenated nitrile rubber (HNBR)
0.17 kg