HomeDriveline and Axles > Wheel Bearings, Seals, and Related ComponentsNational 14138A Wheel Bearing - Front Inner or Rear
Part #: 14138A

National 14138A Wheel Bearing - Front Inner or Rear

Front Inner and Rear
⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Aston Martin and Ford, Escort and Zagato
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Overview of National 14138A Wheel Bearing Cone

The National 14138A is a precision-engineered taper bearing cone designed for driveline and axle applications. Specifically compatible with Aston Martin Zagato and Ford Escort models, this wheel bearing cone ensures reliable performance and proper fitment.

  • Cone bore diameter: 1.3750 inches (34.9250 mm)
  • Cone length: 0.7710 inches (19.5830 mm)
  • Cone radius: 0.1400 inches (3.5560 mm)
  • Part type: Taper bearing cone
  • Part number: 14138A

Detailed Product Description

The National 14138A wheel bearing cone is manufactured to meet exacting specifications for driveline and axle systems. With a cone bore measuring 1.3750 inches (34.9250 mm), this component fits precisely within the wheel bearing assembly. The cone length of 0.7710 inches (19.5830 mm) and cone radius of 0.1400 inches (3.5560 mm) contribute to its proper seating and load distribution. This taper bearing cone is engineered to maintain optimal alignment and reduce friction in the wheel hub, supporting smooth rotation and vehicle stability.

Compatible Vehicles and Applications

This wheel bearing cone is compatible with select Aston Martin and Ford models, including the Aston Martin Zagato and Ford Escort. It is designed for use in driveline and axle assemblies where precise bearing fitment is critical for vehicle safety and performance.

  • Compatible with Aston Martin Zagato wheel bearing assemblies
  • Compatible with Ford Escort driveline and axle systems
  • Suitable for replacement in wheel bearing maintenance and repair

Common Issues Addressed by National 14138A

  • Eliminates wheel bearing noise caused by worn or damaged cones
  • Prevents excessive wheel play and vibration
  • Restores proper bearing preload and alignment
  • Reduces premature bearing wear and potential axle damage
  • Improves overall driveline smoothness and vehicle handling

Installation Notes and Tips

When installing the National 14138A wheel bearing cone, ensure the bearing surfaces are clean and free of debris. Proper lubrication should be applied to the cone and bearing assembly to prevent premature wear. Verify the cone bore and length dimensions match the vehicle specifications for the Aston Martin Zagato or Ford Escort. Use appropriate tools to seat the cone without causing damage to the bearing surfaces.

Quality Assurance and Warranty

National manufactures the 14138A wheel bearing cone to meet industry standards for durability and precision. While specific warranty details are not provided, National products typically adhere to strict quality control processes to ensure reliable performance in automotive driveline applications.

BrandNational
Part Number14138A
Cone Bore (Inch)1.3750
Cone Bore (MM)34.9250
Cone Length (Inch)0.7710
Cone Length (MM)19.5830
Cone Radius (Inch)0.1400
Cone Radius (MM)3.5560
Part DescriptionTaper bearing cone

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
1988Aston MartinZagatoFront Inner
1987Aston MartinZagatoFront Inner
1961FordEscortRearwith Ford Europe Axle
1960FordEscortRearwith Ford Europe Axle
1959FordEscortRearwith Ford Europe Axle
1958FordEscortRearwith Ford Europe Axle
1957FordEscortRearwith Ford Europe Axle
1956FordEscortRearwith Ford Europe Axle

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

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

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.