Timken NP310800 Differential Pinion Bearing - Front Inner

Reliable Differential Pinion Bearing for Ford and Mercury Vehicles

The Timken NP310800 differential pinion bearing is engineered to provide dependable performance for Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models. Designed to meet OEM specifications, this bearing ensures smooth driveline operation and durability under demanding conditions.

• Compatible with Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer
• Precision-engineered for differential pinion applications
• Manufactured by Timken, a trusted name in driveline components
• Part number NP310800 for accurate identification and fitment
• Constructed to withstand high loads and rotational speeds

Product Details and Specifications

The Timken NP310800 differential pinion bearing is designed specifically for use in the differential assembly of select Ford and Mercury vehicles. This bearing supports the pinion gear, allowing it to rotate smoothly within the differential housing. Its robust construction helps reduce friction and wear, contributing to the longevity of the driveline system. The bearing is manufactured to precise tolerances, ensuring proper fit and reliable operation in the Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models.

Applications and Problem Resolution

This differential pinion bearing is used in the differential assembly to support the pinion gear shaft. It addresses several common driveline issues, including:

• Excessive noise or whining from the differential
• Vibration or rough operation during acceleration
• Premature wear of differential components
• Reduced driveline efficiency due to bearing failure
• Potential differential overheating caused by friction

Installation Notes and Tips

Proper installation of the Timken NP310800 bearing is critical for optimal performance. It is recommended to use appropriate tools to press the bearing into place without causing damage. Ensure the differential housing and pinion gear surfaces are clean and free of debris before installation. Verify correct preload and alignment according to vehicle service manuals for Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models. Professional installation is advised to maintain driveline integrity.

Quality Assurance and Warranty

Timken manufactures the NP310800 differential pinion bearing under strict quality control standards to meet or exceed OEM requirements. The bearing undergoes rigorous testing to ensure durability and performance in demanding automotive applications. While specific warranty details may vary, Timken typically offers coverage against manufacturing defects, providing confidence in the product's reliability for Ford and Mercury driveline repairs.