SKF 31323 Wheel Seal - Rear

SKF 31323 Wheel Seal for Driveline Service

SKF 31323 is a wheel seal built for axle and hub sealing applications where consistent protection matters between brake service intervals. The Scotseal Classic design has a long service history in trucking, and this SKF wheel seal uses a nitrile sealing surface for dependable contact and long-term sealing performance.

With a 4.631-inch outside diameter, 3.125-inch shaft diameter, and 0.672-inch width, SKF 31323 is specified for precise hub and shaft dimensions. It is a practical choice for fleet maintenance, heavy-duty driveline repair, and wheel-end service on applications such as Ford F-150 and Chevrolet Silverado where the correct seal dimensions are required.

Key Features

• Wheel seal for driveline and axle sealing systems
• Nitrile sealing surface type for durable sealing contact
• Outside diameter: 4.631 in.
• Shaft diameter: 3.125 in.
• Width: 0.672 in.
• SKF 31323 part number for direct identification

Detailed Description

SKF 31323, also referenced as Scotseal Classic, is engineered for wheel-end sealing where reliable retention of lubricant and exclusion of contaminants are critical. The nitrile sealing surface supports stable sealing performance in demanding service conditions, while the dimensional specifications help ensure the seal matches the hub and shaft requirements of the application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

For buyers searching for a wheel seal for Ford F-150 or Chevrolet Silverado driveline repair, SKF 31323 provides a straightforward OE-style service part selection when the listed dimensions match the vehicle’s wheel-end requirements. The part number 31323 is commonly used in heavy-duty maintenance workflows where seal consistency and service life are important.

What It Helps Address

• Gear oil or grease leakage at the wheel end
• Contamination entering the hub or axle area
• Premature seal wear from repeated brake service cycles
• Noise or roughness caused by compromised wheel-end sealing
• Maintenance downtime from recurring seal replacement

Installation Notes and Tips

Verify the outside diameter, shaft diameter, and width before installation to confirm the seal matches the hub assembly. Clean the sealing surfaces thoroughly, inspect the shaft and bore for wear or scoring, and follow SKF installation tools and procedures for proper seating. Correct installation is important for wheel seal performance on Ford F-150 and Chevrolet Silverado applications, and for other vehicles using the same dimensions.

Quality Assurance

SKF manufactures this wheel seal to high quality standards and the Scotseal Classic line has a long record of field use in trucking service. Proper installation and correct application matching are essential to achieving the expected sealing performance.