Description of Truck Engine Rear Crankshaft FKM Oil Seal
Features and functions
Features:
- Durability: The truck engine rear crankshaft FKM oil seal is usually made of high-quality rubber or elastic materials, which have good durability and can withstand harsh working conditions such as high temperature, high pressure, and high-speed operation.
- Sealing: The rear crankshaft oil seal is designed to accurately fit the crankshaft journal, ensuring that oil lubricants will not leak into the rear of the engine or the transmission system, maintaining normal engine lubrication and cooling.
- Anti-pollution: The oil seal can effectively prevent dust, impurities, and other pollutants from entering the interior of the engine, keeping the oil lubricant clean and in normal working condition.
Function:
- Seal the gap between the oil pan and the engine rear cover: The rear crankshaft oil seal is installed at the rear end of the rear crankshaft of the engine to form a sealing barrier to prevent engine oil from leaking from the rear end of the crankshaft into the transmission system.
- Prevent oil lubricant leakage: The oil seal fits the crankshaft journal to prevent oil lubricant leakage and ensure the lubrication required for normal engine operation.
- Protects the inside of the engine: By blocking dust, impurities, and contaminants from entering the interior of the engine, the rear crankshaft oil seal protects the engine's critical components from damage, extending the life of the engine.
- Maintain engine performance and reliability: A good rear crankshaft oil seal ensures proper lubrication, cooling, and operation of the engine, thereby maintaining engine performance and reliability.
Applicable working conditions
High-load operation: Heavy-duty trucks are often used for long-distance transportation, cargo transportation, or heavy-duty engineering operations, and their engines operate under high-load conditions. The rear crankshaft oil seal must be able to withstand continuous high speed and high torque output to ensure the normal operation of the engine.
High-temperature environment: High temperatures will be generated when the engine is working, especially in heavy truck transportation and engineering applications, the engine temperature may be higher. The rear crankshaft oil seal needs to be able to withstand high-temperature environments and maintain its sealing performance and elasticity to prevent oil leakage.
Harsh road conditions: Heavy-duty trucks often travel in a variety of road conditions, including rough, bumpy roads, uneven construction sites, and harsh weather conditions. The rear crankshaft oil seal must have sufficient durability and impact resistance to meet these challenges and maintain its sealing performance.
Dusty environments: Heavy trucks often work in dusty environments such as construction sites, mining sites, and agricultural fields. The rear crankshaft oil seal needs to be able to effectively resist the intrusion of dust and impurities to avoid damage to the interior of the engine.
Long Runs: Trucks are often required to run for long periods of time, perhaps for hours or days at a stretch. The truck engine rear crankshaft FKM oil seal must be able to maintain stable sealing performance during long-term operation to ensure the normal operation of the engine oil lubrication system.

Physical property information
| Physical Properties | Rating (Metric) | Rating (Imperial) | Test Method |
| Specific gravity | 1.84 g/cc | 1.84 g/cc | ASTM D297 |
| Mechanical Properties | Ratings (Metric) | Ratings (Imperial) | Test Methods |
| Hardness (Shore A) | 90 | 90 | ASTM D2240 |
| Tensile strength (breaking) | 15.48 MPa | 2245 psi | ASTM D1414 |
| Tensile Strength (Yield) | 6.45 MPa | 936 psi | @50% Elongation; ASTM D1414 |
| 11.20 MPa | 1625 psi | @100% elongation; ASTM D1414 | |
| Elongation (at break) | 144 % | 144 % | ASTM D1414 |
| Permanent compression | 27% | 27% | 70 hours @ 400°F (204°C) @ 25% deflection; ASTM D395 |
| Thermal Performance | Rating (Metric) | Rating (Imperial) | Test Method |
| Maximum operating temperature, Air | 200 °C | 392 °F | |
| Minimum operating temperature, Air | -30.0 °C | -22.0 °F |
|
If you would like more information about this product, please contact us.
Hot Tags: truck engine rear crankshaft fkm oil seal, China truck engine rear crankshaft fkm oil seal manufacturers, suppliers, factory, Gas oil seals FKM rubber, V Ring Seals, Oil Seals, Centering Rings, Rotary Shaft X Rings








