National 25580 Axle Differential Bearing - Rear

Overview of National 25580 Axle Differential Bearing

The National 25580 axle differential bearing is engineered for reliable performance in select Chrysler and Dodge vehicles. Designed as a taper bearing cone, this part supports smooth axle rotation and helps maintain drivetrain integrity in models like the Chrysler 300 and Dodge Dart.

• Compatible with Chrysler and Dodge models including 300, Dart, Imperial, Lancer, Newport, New Yorker, and Town & Country
• Part number 25580 for precise identification and fitment
• Cone bore diameter of 1.7500 inches (44.4500 mm) ensures proper seating
• Cone length measures 1.0000 inch (25.4000 mm) for accurate axle support
• Cone radius of 0.1400 inch (3.5560 mm) designed for optimal bearing contact

Technical Specifications and Features

This axle differential bearing cone from National features a cone bore of 1.7500 inches (44.4500 mm), which is critical for fitting securely onto the axle shaft. The cone length of 1.0000 inch (25.4000 mm) provides the necessary surface area to distribute load evenly, reducing wear. Additionally, the cone radius of 0.1400 inch (3.5560 mm) is designed to maintain proper bearing geometry, ensuring smooth rotation and minimizing friction within the differential assembly.

Application and Vehicle Compatibility

The National 25580 bearing cone is compatible with a range of Chrysler and Dodge vehicles, including the Chrysler 300, Dodge Dart, Imperial, Lancer, Newport, New Yorker, and Town & Country. This part is essential for maintaining the differential’s performance and is suitable for use in driveline and axle repairs where the original bearing cone requires replacement.

• Reduces axle shaft play and vibration
• Prevents premature wear of differential components
• Restores proper bearing preload and alignment
• Addresses noise and roughness in the differential
• Supports smooth torque transfer through the driveline

Installation Notes and Tips

When installing the National 25580 axle differential bearing, ensure the cone bore and length match the axle specifications precisely. Proper cleaning of the bearing seat and lubrication of the bearing surfaces are recommended to facilitate installation and prevent damage. Use appropriate tools to avoid deforming the bearing cone during installation. Verify fitment compatibility with your specific Chrysler or Dodge model before proceeding.

Quality Assurance and Warranty

National manufactures this axle differential bearing cone to meet industry standards for durability and performance. While specific warranty details may vary, National parts typically come with a limited warranty against defects in material and workmanship. Using the correct part number 25580 ensures you receive a component designed to meet OEM specifications for your Chrysler or Dodge vehicle.