National 7022S Wheel Seal - Front Inner

Overview of National 7022S Wheel Seal

The National 7022S wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed with precision, this oil seal helps maintain proper lubrication and prevents contaminants from entering the wheel hub assembly.

• Inside diameter: 1.687 inches (42.850 mm)
• Outside diameter: 2.332 inches (59.230 mm)
• Housing bore: 2.328 inches (59.130 mm)
• Width: 0.531 inches (13.490 mm)
• Material: Durable nitrile rubber for resistance to oil and wear
• Series: 7000, Type 276 oil seal

Detailed Product Description

The National 7022S wheel seal is part of the 7000 series, designed specifically for axle and driveline sealing needs. Constructed from nitrile, this seal offers excellent resistance to petroleum-based oils and greases, making it suitable for use in demanding automotive environments. The precise dimensions, including a 1.687-inch shaft diameter and a 2.332-inch outside diameter, ensure a secure fit within compatible wheel hubs. The 0.531-inch width provides adequate sealing surface to prevent oil leakage and contamination ingress.

Compatible Vehicle Applications

This wheel seal is commonly used in various driveline and axle assemblies, compatible with multiple vehicle makes and models requiring a 1.687-inch shaft seal. It is suitable for applications where a Type 276 oil seal is specified, including certain Ford, Chevrolet, and Dodge models. Always verify fitment with your vehicle’s specifications before installation.

Common Issues Addressed by National 7022S Wheel Seal

• Prevents oil leaks from wheel hubs and axle assemblies
• Protects bearings from dirt, dust, and moisture contamination
• Reduces premature wear of driveline components
• Maintains proper lubrication within the axle housing
• Helps avoid costly repairs due to seal failure

Installation Notes and Tips

Ensure the sealing surface and shaft are clean and free of debris before installation. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Lubricate the seal lip lightly with clean oil to reduce initial wear during startup. Verify the seal orientation matches the original part to maintain proper sealing function.

Quality Assurance and Warranty

National wheel seals are manufactured to meet industry standards for durability and performance. The 7022S seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty terms may vary, National typically offers coverage against manufacturing defects. Consult product documentation for detailed warranty information.