SKF CIR503 Wheel Bearing Retaining Ring - Front

SKF Front Wheel Hub Retaining Ring CIR503

SKF CIR503 is a front wheel bearing retaining ring for generation one wheel bearings that secure the bearing inside the steering knuckle. It is built to OEM specifications for a precise fit on service jobs where the original C-clip is rusted, distorted, or damaged during removal.

Compatible with select Nissan Kicks, Nissan Versa, Nissan Versa Note, and Smart EQ fortwo front applications, this retaining ring supports a secure wheel bearing installation when replacing a hub unit or bearing assembly.

Key Features

• Front wheel bearing retaining ring for generation one wheel bearings
• Inside diameter: 2.767 in.
• Outside diameter: 3.047 in.
• Width: 0.098 in.
• Built to meet or exceed OEM specifications
• SKF CIR503 replacement part number for service and repair

Product Details

SKF’s wheel hub retaining ring line focuses on C-clip retainers used to hold the bearing in the steering knuckle. The CIR503 is sized for front applications and is a direct-fit service part for vehicles that use this style of bearing retention. For Nissan Versa front wheel bearing retaining ring service, Nissan Versa Note front hub repair, and Smart EQ fortwo front bearing replacement work, replacing a worn clip helps restore proper retention during reassembly. The CIR503 part number is also a useful reference when sourcing the correct front retaining ring for these applications.

This part cross-references 40214AX000 for the same application.

Common Repair Uses

• Replacing a rusted or seized wheel bearing retaining ring
• Restoring bearing retention after hub or knuckle service
• Correcting damage caused during bearing removal
• Supporting a secure front wheel bearing installation on Nissan Versa and Nissan Versa Note models
• Servicing front wheel hub retaining ring applications on Nissan Kicks and Smart EQ fortwo

Installation Notes

Inspect the steering knuckle groove before installation and clean away corrosion, debris, or old residue. Compare the original ring dimensions to the CIR503 before assembly, and replace any clip that shows bending, pitting, or loss of tension. Use the retaining ring only in the front position listed in the fitment data.

Quality Assurance

SKF manufactures this retaining ring to meet or exceed OEM specifications and test requirements for consistent fit and service life. SKF has supported automotive repair and engineering applications for more than 100 years, and the CIR503 follows that OE-style standard for front wheel bearing retention.