免维护轮毂油封
We mainly deals in Dongfeng truck accessories (engine/axle/gearbox/cabin), especially Dana axle accessories and Cummins engine parts (4BT, 6BT, 6CT, 6L, ISBE, ISDE, ISLE,ISF2.8, ISF3.8, NTA855, KTA19,KTA38, KTA50, M11, ISM, etc.) with great advantages.
Product Descreiption
The Truck Maintenance-Free Wheel Oil Seal is a revolutionary sealing solution designed to eliminate the need for regular lubrication, disassembly, or replacement in heavy-duty truck wheel hub assemblies. Engineered for long-term reliability, this advanced seal reduces maintenance costs, minimizes downtime, and ensures optimal bearing performance in commercial vehicles, off-road trucks, and industrial machinery.
Key Applications
- Heavy-Duty Trucks: Long-haul freight carriers, delivery trucks, and construction vehicles.
- Off-Road & Mining Equipment: Dump trucks, loaders, excavators, and articulated haulers.
- Military & Specialized Vehicles: Armored personnel carriers, logistics trucks, and all-terrain utility vehicles.
- Agricultural Machinery: Tractors, harvesters, and heavy-duty farm equipment.
Technical Specifications
- Material & Construction:
- Seal Lip:
- PTFE (Teflon)-Coated Lip: Ultra-low friction, self-lubricating, and highly wear-resistant for extended service life.
- Fluorocarbon Rubber (FKM/Viton): High-temperature resistance (up to +200°C) for severe operating conditions.
- Metal Case:
- Stainless Steel (SS316L): Marine-grade corrosion resistance for harsh environments (salt, chemicals, mud).
- High-Strength Aluminum Alloy: Lightweight option for weight-sensitive applications.
- Spring: High-Tensile Stainless Steel with anti-corrosion coating for consistent lip pressure.
- Seal Lip:
- Common Dimensions (Example: Heavy-Duty Truck Wheel Hub Seal):
- Inner Diameter (ID): ~80–100 mm (3.15–3.94 inches).
- Outer Diameter (OD): ~110–130 mm (4.33–5.12 inches).
- Width: ~12–18 mm (0.47–0.71 inches).
- Design Type: Triple-lip with integrated dust exclusion ring, dual pressure relief grooves, and anti-extrusion backup rings for heavy-duty sealing.
- Performance Characteristics:
- Pressure Rating: Up to 0.8 MPa (116 psi) for high-load wheel hub applications.
- Speed Rating: Up to 4,000 RPM (depending on lubrication and operating conditions).
- Temperature Range:
- FKM: -30°C to +200°C (-22°F to +392°F).
- PTFE Lip: Operational up to +260°C (500°F) in dry-running conditions.
- Chemical Compatibility: Resistant to mineral oils, synthetic lubricants, grease, water, mud, and mild acids/alkalis.
Key Features
- Zero Maintenance Design:
- PTFE-coated lip eliminates the need for external lubrication, reducing service intervals and labor costs.
- Self-sealing design prevents grease leakage and contaminant ingress for the entire service life.
- Ultra-Long Service Life:
- Service life up to 500,000–600,000 km (311,000–373,000 miles) in standard operating conditions.
- Withstands extreme vibrations, high radial loads, and thermal cycling without degradation.
- Enhanced Durability & Reliability:
- Stainless steel and PTFE materials resist corrosion, wear, and thermal expansion.
- Triple-lip design with dust exclusion ring ensures optimal sealing in muddy, dusty, or wet environments.
- Easy Installation & Compatibility:
- Direct OEM replacement for part numbers MF-WH-XXXX (refer to truck/equipment manuals for exact references).
- Modular design allows quick installation without disassembling the entire wheel hub.
- Cost-Effective Performance:
- Reduces bearing failures, lubricant consumption, and unscheduled downtime.
- Lower total cost of ownership (TCO) compared to traditional wheel seals.
