Federal Mogul A4 National Tapered Roller Bearing Set Bearings & Seals

The National A-4 is a precision-engineered tapered roller bearing set manufactured with premium-grade steel and designed to meet OE specifications. This bearing set features crowned raceways for even load distribution, ensuring reliable performance and extended bearing life in demanding applications.

Key Features:

• Matched cup and cone components for consistent performance
• Comprehensive testing throughout design and development processes by National engineers
• Crowned raceways for even load distribution
• Premium-grade steel construction with rigorous testing standards
• Provides high load capacity in both vertical and axial directions

Tapered roller bearings are essential components used to reduce friction and support loads, making them critical to the smooth operation of vehicles, trailers, and equipment. National bearings are protected with a thin film preservative for rust and corrosion prevention. This bearing set is ideal for wheel hubs, axles, and differential applications across automotive, trailer, and light truck platforms.