National 710177 Wheel Seal - Front

National 710177 Wheel Seal Overview

The National 710177 wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed with precision dimensions and durable polyacrylate material, this oil seal helps maintain proper lubrication and prevent contamination in wheel hubs.

• Inside diameter: 3.031 inches (77.0 mm)
• Outside diameter: 3.591 inches (91.2 mm)
• Flanged outside diameter: 3.780 inches (96.0 mm)
• Housing bore diameter: 3.583 inches (91.0 mm)
• Overall width with side lip: 0.394 inches (10.0 mm)
• Seal width: 0.236 inches (6.0 mm)
• Material: Polyacrylate for enhanced oil resistance
• Series: 710100, Type 87

Detailed Product Description

The National 710177 wheel seal is part of the 710100 series, designed specifically for axle and driveline sealing systems. Constructed from polyacrylate, this oil seal offers excellent resistance to heat and oil degradation, ensuring long service life in demanding automotive environments. The precise inside diameter of 3.031 inches (77 mm) and outside diameter of 3.591 inches (91.2 mm) allow for a secure fit on shafts and housings with corresponding dimensions. The flanged outside diameter of 3.780 inches (96 mm) provides additional sealing surface and stability within the housing bore of 3.583 inches (91 mm). With an overall width including the side lip of 0.394 inches (10 mm), this seal maintains a compact profile while effectively preventing lubricant leakage and ingress of contaminants.

Common Applications and Problem Solving

• Prevents oil leaks in wheel hubs and axle assemblies
• Protects driveline components from dirt and moisture intrusion
• Maintains proper lubrication for wheel bearings and shafts
• Reduces wear caused by contamination and seal failure
• Compatible with vehicles requiring a 3.031 inch shaft seal diameter

Installation Notes and Tips

Ensure the housing bore and shaft surfaces 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. Verify the seal orientation matches the oil retention side facing the lubricant. Avoid excessive force or misalignment during installation to maintain seal integrity and performance.

Quality Assurance and Warranty

National wheel seals are manufactured to meet industry standards for durability and performance. The 710177 seal undergoes rigorous quality control to ensure dimensional accuracy and material consistency. While specific warranty details are not provided, National products typically adhere to OEM quality requirements for driveline sealing components.