SKF 38750 Wheel Seal - Rear

Wheel Seal Overview

SKF 38750 is a wheel seal for driveline and axle sealing applications. It uses a nitrile sealing surface and is built to the dimensional specifications listed for the part, making it a focused replacement for sealing service in heavy-duty use.

Scotseal Classic has been a long-running SKF wheel seal line known for dependable service in demanding trucking applications. SKF 38750 follows that product line approach with a design centered on sealing performance and service life.

Key Features

• Nitrile sealing surface for consistent sealing contact.
• Outside diameter of 5.506 inches for specified axle applications.
• Shaft diameter of 3.875 inches for proper fitment.
• Width of 0.938 inches for the listed seal profile.
• SKF engineering and manufacturing standards for heavy-duty sealing use.

Application Details

This part cross-references SKF (e.g., 12546240, 145838750) for the same application. Compatible with axle and wheel-end sealing service where SKF 38750 is specified, including heavy-duty truck maintenance needs. Use it when replacing a worn wheel seal on systems that require the listed dimensions and nitrile sealing surface.

Common Issues Addressed

• Oil or grease leakage at the wheel end.
• Contamination entering the sealed area.
• Seal wear from extended service intervals.
• Loss of sealing performance from age or heat exposure.

Installation Notes

Install with SKF tools and procedures to achieve proper sealing performance. Verify shaft diameter, outside diameter, and seal width before installation, and inspect the mating surfaces for wear or damage that could affect sealing.

Quality Assurance

SKF states that its products are manufactured to high quality standards for long service life and safety. Scotseal Classic has a long service history in trucking applications, and proper installation is important to achieving the expected sealing results.