Timken 11S38751 Wheel Seal - Rear

Timken 11S38751 Wheel Seal Overview

The Timken 11S38751 wheel seal is built for axle and hub sealing service where heat, contamination, and bore retention matter. It uses a reinforced metal outer diameter and multi-point lip contact design to support stable sealing in demanding driveline and axle applications.

Compatible With wheel seal service on axle and hub assemblies where a durable replacement seal is required.

Key Features

• Oversized double-walled metal outer diameter helps resist seal spin and walkout in the hub bore.
• Heavy-duty outer wall construction supports heat transfer away from the sealing lip.
• Three nitrile lip contact barrier points help block contaminants and protect the sealing edge across a wide temperature range.
• Corrosion-proof spacers with vent holes promote lubricant flow to the sealing lip.
• Wide shoulder coverage helps address worn or damaged axle shoulders.

Detailed Description

Timken 11S38751 is a wheel seal engineered for driveline and axle sealing applications where long service life and stable retention are important. The metal outer diameter is built to help keep the seal seated in the hub bore, while the sealing design focuses on limiting contamination and maintaining lubricant at the lip. This part cross-references National 370023A for the same application.

What It Helps Address

• Gear oil or lubricant leakage at the wheel end
• Contamination entering the hub or axle seal area
• Seal movement in the hub bore
• Heat-related seal wear at the lip
• Sealing issues on worn axle shoulders

Installation Notes and Tips

Inspect the hub bore, axle shoulder, and sealing surface before installation. Clean all contact areas thoroughly and verify the seal seats squarely to avoid distortion. Confirm the replacement matches the original seal dimensions and application requirements before assembly.

Quality Assurance

Timken is known for driveline and bearing components used in demanding service environments. The 11S38751 wheel seal is built with corrosion-resistant and heat-managing construction details to support consistent sealing performance.