Timken 55437 Differential Pinion Race - Rear, Rear Inner or Rear Outer

Timken 55437 Differential Pinion Race Overview

The Timken 55437 differential pinion race is engineered to provide reliable performance in driveline and axle assemblies. Designed with precise dimensions, this bearing component supports smooth rotation and durability in various vehicle applications, including popular makes and models requiring exact fitment.

• Width options: 0.813 inches (20.64 mm) and 4.375 inches (111.13 mm)
• Outside diameter measurements: 4.375 inches (111.13 mm)
• Bearing cup radius: 0.130 inches (3.30 mm)
• Part number: 55437 for accurate identification
• Manufactured by Timken, a trusted name in driveline components

Detailed Specifications and Design

The Timken 55437 differential pinion race features two width measurements, 0.813 inches and 4.375 inches, accommodating specific axle configurations. Its outside diameter of 4.375 inches ensures compatibility with corresponding pinion bearings, while the bearing cup radius of 0.130 inches supports proper seating and load distribution. These precise dimensions contribute to the part's role in maintaining differential integrity and reducing wear under operational stresses.

Applications and Problem Solving

This differential pinion race is suitable for vehicles requiring exact bearing fitment to maintain driveline efficiency. It addresses common issues such as:

• Excessive differential noise due to worn or damaged pinion races
• Uneven bearing wear causing premature axle failure
• Improper bearing seating leading to drivetrain vibrations
• Reduced differential performance from degraded bearing surfaces

Installation Notes and Tips

When installing the Timken 55437 differential pinion race, ensure the race is properly seated using a press or appropriate driver tool to avoid damage. Clean the housing thoroughly before installation to prevent contamination. Verify the dimensions against the vehicle’s service manual to confirm compatibility, especially for specific makes and models requiring this part number.

Quality Assurance and Warranty

Timken manufactures the 55437 differential pinion race to meet industry standards for durability and precision. While specific warranty details are not provided, Timken products typically undergo rigorous quality control to ensure reliable performance in automotive driveline applications.