Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of front hub oil seal in China, also supports customized service. Please feel free to buy high quality front hub oil seal for sale here from our factory.
Front Hub Oil Seal
| NBR 90 | ||
| Test Method | Norm | Test Values |
| Hardness | ISO 48 Method M | 90 ± 5 IRHD |
| Tensile Strength at break | ISO 37 | min 15.7 MPa |
| Elongation at break | ISO 37 | min 136% |
| Specific Weight | ISO 2781 | 1.31 |
|
Compression Set 25% compression - 22h/100°C on slab |
ISO 815
|
max 25% |
|
Heat Ageing 70h/100°C Hardness Change |
ISO 188
|
max +6° |
Features1. Good sealing performance: The front hub oil seal is made of rubber or rubber-like materials and is designed to be close to the wheel hub assembly, which can effectively prevent oil from leaking from the assembly.
2. Prevent contaminants from entering: Seals are also designed to prevent dirt, dust, and other contaminants from entering the hub assembly, which can damage bearings and other components.
3. Withstand high loads and extreme temperatures: In heavy-duty vehicles, such as buses and commercial trucks, wheel hub oil seals must withstand high loads and extreme temperatures, as well as be exposed to harsh environmental conditions.
4. Protection of bearings and other components: If the hub oil seal fails, it may cause oil leakage, performance degradation, and even damage to other components. For example, if oil leaks from a wheel hub assembly, it can cause the bearings to overheat and fail, resulting in expensive repairs.
Application industries
1. Automobile manufacturing industry: Hub oil seal is one of the important parts in the automobile manufacturing process and is used on the front axle of the automobile. They are used in a wide range of passenger cars, commercial vehicles, and trucks.
2. Construction machinery: Oil seals are also used in various construction machinery, such as excavators, loaders, bulldozers, etc. These equipment are used on construction sites, mines, and other industrial environments and require durable and efficient front hub oil seals to protect the hub.
3. Agricultural machinery: Agricultural machinery, such as tractors, harvesters, and planters, also use hub oil seals. These machines are used in field and agricultural operations and require front hub oil seals that can adapt to a variety of terrains and working conditions.
FAQs About Front Hub Oil Seal
1. Q: How long is the replacement cycle of the front hub oil seal?
A: The replacement cycle is usually 2-3 years. The specific replacement cycle needs to be determined based on vehicle usage and the quality of the oil seal. If the vehicle is used frequently or the oil seal is aged or worn, the oil seal needs to be replaced in advance.
2. Q: What are the causes of front wheel hub oil seal leakage?
A: The reasons may include the following aspects: First, the material quality or aging of the oil seal may cause leakage; secondly, improper installation may cause leakage; in addition, bearing wear or damage may also cause leakage; finally, the use environment is harsh such as High temperatures, corrosion, etc. may also cause leaks.
3. Q: How to prevent front hub oil seal leakage?
A: The following measures can be taken: first, choose high-quality oil seal materials and brands; second, ensure the cleanliness of the bearings and oil seals during installation, and operate according to the correct installation method; in addition, regularly check the use of the bearings and oil seals, discover and solve problems in time; finally, avoid using the vehicle in harsh environments to reduce the impact of corrosion and high temperature on the oil seal.
Dimensional specifications
Seal I.D. Tolerance Chart - Metric
| SHAFT | I.D. | Tolerance | Spring loaded | Tolerance |
|---|---|---|---|---|
| ＜10.00 | -0.60 | +0.10/-0.20 | -0.90 | ±0.20 |
| 10.01～18.00 | -0.70 | -1.00 | ||
| 18.01～30.00 | -0.80 | -1.10 | ||
| 30.01～50.00 | -0.90 | +0.15/-0.30 | -1.40 | ±0.30 |
| 50.01～80.00 | -1.10 | -1.60 | ||
| 80.01～120.00 | -1.30 | -1.80 | ||
| 120.01～180.00 | -1.50 | -1.20 | ||
| 180.01～250.00 | -1.60 | +0.20/-0.40 | -2.20 | ±0.40 |
| 250.01～300.00 | -1.80 | -2.40 | ||
| 300.01～400.00 | -2.00 | -2.60 | ||
| 400.01～500.00 | -2.20 | -2.80 |
Seal O.D. Tolerances Chart – Metric
| Bore Diameter |
Metal case Tolerance |
Rubber covered case Tolerance |
G type Tolerance |
|---|---|---|---|
| ＜10.00 | +0.20/+0.10 | +0.30/+0.15 | +0.40/+0.20 |
| 10.01～18.00 | |||
| 18.01～30.00 | |||
| 30.01～50.00 | |||
| 50.01～80.00 | +0.23/+0.13 | +0.35/+0.20 | +0.45/+0.25 |
| 80.01～120.00 | +0.25/+0.15 | +0.50/+0.30 | |
| 120.01～180.00 | +0.28/+0.18 | +0.45/+0.25 | +0.55/+0.35 |
| 180.01～250.00 | +0.30/+0.20 | +0.70/+0.40 | |
| 250.01～300.00 | |||
| 300.01～400.00 | +0.35/+0.23 | +0.55/+0.30 | +0.75/+0.45 |
| 400.01～500.00 |
Seal Width Tolerances Chart – Metric
| Width | Tolerance |
|---|---|
| ＜10.00 | +/-0.20 |
| 10.00 | +/-0.30 |
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