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
1038560
263.53 mm
314.33 mm
22.23 mm
1087.0 r/min
Nitrile rubber (NBR)
1.86 kg
1038620
263.53 mm
317.5 mm
22.23 mm
1087.0 r/min
Nitrile rubber (NBR)
1.29 kg
1040X1100X25 HSS5 R
1040.0 mm
1100.0 mm
25.0 mm
239.0 r/min
Nitrile rubber (NBR)
2.63 kg
1043148
265.13 mm
296.88 mm
22.23 mm
720.0 r/min
Nitrile rubber (NBR)
0.966 kg
1044140
265.13 mm
296.65 mm
22.23 mm
1081.0 r/min
Nitrile rubber (NBR)
1.76 kg
1050112
266.7 mm
298.45 mm
15.88 mm
1074.0 r/min
Nitrile rubber (NBR)
1.77 kg
1050540
266.7 mm
317.5 mm
19.05 mm
1074.0 r/min
Nitrile rubber (NBR)
1.87 kg
1050544
266.7 mm
317.5 mm
19.05 mm
1790.0 r/min
Fluoro rubber (FKM)
1.87 kg
1050550
266.7 mm
317.5 mm
20.65 mm
1074.0 r/min
Nitrile rubber (NBR)
1.81 kg
1000X1050X20 HDS1 R
1000.0 mm
1050.0 mm
20.0 mm
286.0 r/min
Nitrile rubber (NBR)
3.8 kg
10050
25.4 mm
46.43 mm
6.35 mm
3840.0 r/min
Nitrile rubber (NBR)
0.0113 kg
10071
25.4 mm
47.02 mm
6.35 mm
3840.0 r/min
Nitrile rubber (NBR)
0.0113 kg
100X125X12 HMS5 RG
100.0 mm
125.0 mm
12.0 mm
2040.0 r/min
Nitrile rubber (NBR)
0.083 kg
100X125X12 HMSA10 RG
100.0 mm
125.0 mm
12.0 mm
2040.0 r/min
Nitrile rubber (NBR)
0.081 kg
100X125X12 HMSA10 V
100.0 mm
125.0 mm
12.0 mm
6300.0 r/min
FLUORO RUBBER (FKM)
0.1 kg
100X130X12 HMS5 V
100.0 mm
130.0 mm
12.0 mm
6300.0 r/min
Fluoro rubber (FKM)
0.107 kg
100X135X12 CRWA1 R
100.0 mm
135.0 mm
12.0 mm
2040.0 r/min
Nitrile rubber (NBR)
0.116 kg
100X140X12 HMS5 RG
100.0 mm
140.0 mm
12.0 mm
2040.0 r/min
Nitrile rubber (NBR)
0.126 kg
100X140X12 HMS5 V
100.0 mm
140.0 mm
12.0 mm
6300.0 r/min
Fluoro rubber (FKM)
0.138 kg
100X140X12 HMSA10 V
100.0 mm
140.0 mm
12.0 mm
6297.0 r/min
Fluoro rubber (FKM)
0.14 kg
100X150X13 HMS5 RG
100.0 mm
150.0 mm
13.0 mm
2040.0 r/min
Nitrile rubber (NBR)
0.147 kg
100X180X12 HMSA10 V
100.0 mm
180.0 mm
12.0 mm
6297.0 r/min
Fluoro rubber (FKM)
0.252 kg
100X190X15 HMS5 V
100.0 mm
190.0 mm
15.0 mm
6296.0 r/min
Fluoro rubber (FKM)
0.18 kg
10124
25.4 mm
50.8 mm
6.35 mm
3840.0 r/min
Nitrile rubber (NBR)
0.0136 kg