SKF 28720 Wheel Seal - Rear

SKF 28720 Wheel Seal for Ford Rear Axles

SKF 28720 is a rear wheel seal built for Ford full-floating axle applications that need reliable lubricant retention and contamination control. With a nitrile sealing surface and application-specific dimensions, it supports proper sealing at the wheel end on select Ford F-350, E-250 Econoline, E-350 Econoline, and F-250 models.

SKF has a long history in seal engineering, and this wheel seal reflects that focus with premium materials and precise construction for demanding driveline service. The SKF 28720 is sized for the shaft and housing dimensions listed below, helping maintain a secure seal in rear axle service.

Key Features

• Rear wheel seal for driveline and axle service
• Nitrile sealing surface type for sealing performance in axle applications
• Outside diameter: 3.881 in.
• Width: 0.610 in.
• Shaft diameter: 2.875 in.
• Built to SKF design and manufacturing standards
• Cross-reference: Four Seasons 39693

Detailed Description

SKF 28720 is a wheel seal for rear axle applications where the seal must keep gear lubricant in place and help block road debris, water, and other contaminants. It is used on 1969-1994 Ford F-350 rear applications with Spicer full-floating axle configurations over 5,300 lbs, 1990-1994 Ford F-350 rear with Spicer 60 full-floating 5,300 lb axle, and select Ford van and truck rear axle setups including E-250 Econoline, E-350 Econoline, E-350 Econoline Club Wagon, and F-250. This part number, 28720, is also listed with interchange references 8900103, 145828720, and 975928720.

For buyers searching for a rear wheel seal for Ford F-350 Spicer full-floating axle, Ford E-350 Econoline rear axle seal, or Ford F-250 rear wheel seal, SKF 28720 provides a direct-fit service part for the listed applications. The seal dimensions and nitrile sealing surface are important for matching the axle end and maintaining proper sealing contact.

What It Helps Address

• Gear oil leakage at the rear wheel end
• Contamination entering the axle housing
• Seal wear from age, heat, and road exposure
• Service issues on rear full-floating axle assemblies
• Fitment concerns when replacing a worn Ford rear axle seal

Installation Notes and Tips

Confirm axle type, position, and notes before installation. This seal is listed for rear applications only and includes specific Ford axle configurations such as Spicer full-floating setups and certain Ford axle variants without a 10.25 in. ring gear. Inspect the axle shaft, hub, and seal bore for wear or scoring before installing SKF 28720, and verify the shaft diameter and outside diameter match the application.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and established bonding methods. The brand’s seal engineering history and long-term OE-style focus support consistent fit and sealing performance in axle service.