SKF CIR259 Wheel Bearing Retaining Ring - Rear

Wheel Bearing Retaining Ring for Rear Applications

SKF CIR259 is a wheel bearing retaining ring used with generation one wheel bearings to hold the bearing securely inside the steering knuckle. For rear service on select Ford, Mercury, and Lincoln vehicles, this C-clip style retainer helps maintain a stable bearing fit during hub and bearing replacement.

Built to meet or exceed OEM specifications, SKF CIR259 is a direct-fit retaining ring for rear wheel bearing service on the Ford Explorer, Explorer Sport Trac, Mercury Mountaineer, and Lincoln Aviator.

Key Features

• Wheel bearing retaining ring for generation one wheel bearings
• Rear application fitment for select Ford, Mercury, and Lincoln models
• Inside diameter: 3.346 in.
• Outside diameter: 3.734 in.
• Width: 0.109 in.
• SKF CIR259 part number for service identification
• Cross-reference: Ford 5L2Z1A124A for the same application

Detailed Description

SKF CIR259 is a C-clip retainer used to secure the wheel bearing inside the steering knuckle on generation one wheel bearing assemblies. This retaining ring is specified for rear service on 2002-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, 2002-2010 Mercury Mountaineer, and 2003-2005 Lincoln Aviator. The measured dimensions help support correct seating and retention during wheel bearing replacement, making SKF CIR259 a practical choice when servicing rear hub and bearing units on these vehicles.

What It Helps Solve

• Rusted or damaged retaining rings removed during wheel bearing service
• Loose or insecure wheel bearing retention in the steering knuckle
• Improper fit after replacing rear hub and bearing units
• Need for an OE-spec retaining ring during rear axle service
• Repeat service caused by reusing worn C-clips

Installation Notes and Tips

Replace the retaining ring whenever the original clip is rusted, bent, or damaged during removal. Confirm the bearing style and rear application before installation, and verify the ring seats fully in the steering knuckle groove. For fitment, SKF CIR259 fits 2002-2010 Ford Explorer, rear; 2007-2010 Ford Explorer Sport Trac, rear; 2002-2010 Mercury Mountaineer, rear; and 2003-2005 Lincoln Aviator, rear.

Quality Assurance

SKF manufactures this retaining ring to meet or exceed OEM specifications and test requirements. With more than 100 years of engineering and manufacturing experience, SKF supplies driveline and wheel bearing service parts for demanding automotive applications.