SKF SDK314-MK Axle Differential Bearing and Seal Kit - Rear

SKF Axle Differential Bearing and Seal Kit

SKF SDK314-MK is an axle differential bearing and seal kit for rear differential service on select Ford trucks. It is built around the bearing and seal components needed for a complete differential repair, with fitment for 1985-2003 Ford F-250, Ford F-350, Ford F-250 HD, Ford F-250 Super Duty, Ford F-350 Super Duty, and 2000-2003 Ford F-150 applications with a 10.25" ring gear.

Key Features

• Part number: SDK314-MK
• Inside diameter: 11.0000
• Width: 2.500
• Bearing type: DIFF2TP
• Includes premium bearings with matching cones and cups
• Seals use SKF Bore-Tite coating for improved sealing performance
• Built for rear differential service on 10.25" ring gear applications

Detailed Description

SKF SDK314-MK is engineered for rear axle differential repair on Ford F-150, Ford F-250, and Ford F-350 platforms that use the 10.25" ring gear. The kit combines high-quality bearings and seals selected to meet or exceed original equipment specifications, helping restore proper differential operation after wear, noise, or leakage issues. SKF also supplies matching cones and cups with the bearings, along with seals manufactured to SKF standards and finished with Bore-Tite coating for improved sealing performance. This part number, SDK314-MK, is a direct service solution for technicians and owners maintaining older Ford truck driveline components.

This part cross-references 2B3380 and JD10030 for the same application.

Common Repair Uses

• Rear differential bearing noise in Ford F-250 and Ford F-350 trucks
• Gear oil leaks at differential seals
• Wear-related bearing roughness or play in the axle assembly
• Service work on 10.25" ring gear rear differentials
• Restoration of driveline smoothness after differential teardown

Installation Notes and Tips

• Verify rear axle configuration and ring gear size before ordering.
• Inspect the differential housing, gears, and races during disassembly for additional wear.
• Replace worn components as a matched set during service to support proper bearing preload and seal performance.
• Follow factory service procedures for setup, torque, and backlash adjustment.

Quality Assurance

SKF manufactures driveline service components to high quality standards and supplies this kit with bearings and seals intended for complete differential repair. The included components are designed to align with OE-level specifications for long service life and safe operation.