SKF 27438 Wheel Seal - Front

SKF 27438 Wheel Seal Overview

SKF 27438 is a wheel seal built for driveline and axle service where consistent sealing at the hub matters. This SKF Scotseal Classic wheel seal uses a nitrile sealing surface and is sized for a 2.750 shaft diameter, 3.784 outside diameter, and 0.762 width.

For technicians servicing heavy-duty axle assemblies, SKF 27438 supports dependable sealing between brake maintenance intervals when installed with the correct SKF tools and procedures. It is a practical choice for fleet maintenance and wheel-end repair on applications that call for the SKF Scotseal Classic design.

Key Features

• Wheel seal for driveline and axle sealing applications
• SKF Scotseal Classic design for wheel-end service
• Nitrile sealing surface type
• 2.750 shaft diameter
• 3.784 outside diameter
• 0.762 width
• Cross-reference: 229285C91

Detailed Product Information

The SKF 27438 wheel seal is engineered for hub and axle sealing where durability and consistent performance are required. Its nitrile sealing surface helps maintain contact at the sealing interface, while the listed dimensions support proper sizing during wheel seal replacement. SKF 27438 is part of the Scotseal Classic line, a long-running wheel-end sealing solution used in heavy-duty service.

When selecting a replacement wheel seal, matching the shaft diameter, outside diameter, and width is essential for proper fit. SKF 27438 is a direct option for service work that calls for this seal specification, including applications associated with axle and brake maintenance on commercial vehicles such as Freightliner and Kenworth.

What This Wheel Seal Helps Address

• Oil or grease leakage at the wheel end
• Contamination entering the hub area
• Seal wear discovered during brake service
• Loss of sealing performance from age or mileage
• Replacement needs tied to axle and hub maintenance

Installation Notes and Tips

Verify shaft diameter, outside diameter, and width before installation. Use SKF tools and procedures to install the seal correctly and avoid damage to the sealing lip or hub surface. Clean the mating surfaces thoroughly and inspect the spindle, hub, and bearing areas for wear before fitting SKF 27438. For vehicle-specific service, confirm the application against the axle or hub specification on the Freightliner or Kenworth platform being repaired.

Quality Assurance

SKF manufactures this wheel seal to high quality standards for long service life and safety-focused operation. The Scotseal Classic design has been used extensively in trucking service, and SKF 27438 is backed by SKF’s established engineering and manufacturing practices.