SKF BR3720 Differential Pinion Race - Front Outer, Rear, Rear Inner or Rear Outer

Overview of SKF Differential Pinion Race BR3720

The SKF BR3720 differential pinion race is engineered for reliable driveline performance in select Hummer, Oldsmobile, and Pontiac vehicles. Designed with precise dimensions, this component ensures proper fit and function within the differential assembly.

• Width: 1.187 inches for accurate seating
• Outside Diameter: 3.671 inches to match OEM specifications
• Part Number: BR3720 for easy identification and ordering
• Compatible with Hummer H1, Oldsmobile 88 and 98, Pontiac Catalina models
• Manufactured by SKF, a recognized name in automotive bearings

Technical Details and Specifications

The BR3720 differential pinion race features a width of 1.187 inches and an outside diameter of 3.671 inches, dimensions critical for maintaining the correct bearing preload and alignment within the differential. This precision-machined race supports the pinion bearing, facilitating smooth rotation and load distribution. Its compatibility with Hummer H1, Oldsmobile 88 and 98, and Pontiac Catalina models ensures it meets the specific requirements of these driveline systems.

Applications and Problem Resolution

This differential pinion race is used in the driveline and axle assemblies of select vehicles to support the pinion bearing. It addresses several common issues, including:

• Excessive bearing wear due to improper fit
• Noise and vibration from worn or damaged pinion races
• Misalignment causing premature differential component failure
• Reduced driveline efficiency and performance
• Leakage caused by improper bearing seating

Installation Notes and Tips

When installing the SKF BR3720 differential pinion race, ensure the following:

• Clean the differential housing thoroughly before installation
• Use appropriate tools to press the race evenly into place without damage
• Verify the race dimensions match OEM specifications for your vehicle model
• Check bearing preload and alignment after installation to prevent premature wear

Quality Assurance and Warranty

SKF manufactures the BR3720 differential pinion race to meet stringent quality standards, ensuring durability and consistent performance. While specific warranty details may vary, SKF products typically come with a limited warranty covering manufacturing defects. Always consult the product documentation or SKF directly for warranty terms related to this part.