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SKF CIR143 Wheel Bearing Retaining Ring - Front or Rear
| Brand | SKF CIR143 |
|---|---|
| Position | Front |
| Fits | Ford, Mazda, and Mercury · 51 vehicles |
OEM-spec C-clip retainer. Helps secure the wheel bearing for a reliable fit.
Made to meet or exceed OEM specifications for longer bearing life.
SKF engineering meets strict test requirements for dependable performance.
Cross-references B21M-33-048 and F5CZ3W004AA for the same application. See all 2.
SKF CIR143 Wheel Bearing Retaining Ring
SKF CIR143 is a wheel bearing retaining ring for generation one wheel bearings that secure the bearing inside the steering knuckle. It is built to OEM-level dimensions for a precise fit on front and rear applications across select Ford, Mazda, and Mercury vehicles.
Key Features
- Inside diameter: 2.667 in.
- Outside diameter: 3.099 in.
- Width: 0.082 in.
- Used to retain generation one wheel bearings in the steering knuckle
- Made to meet or exceed OEM specifications
- Fits select Ford Escort, Mazda Protege, Mazda 323, Mazda MX-3, Mazda Protege5, and Mercury Tracer applications
Detailed Description
The SKF CIR143 retaining ring is specified for wheel bearing retention where a C-clip style retainer is used to hold the bearing in place inside the steering knuckle. Its measured dimensions help support correct seating and retention during wheel bearing service, especially when replacing a hub unit or bearing assembly on vehicles such as the Ford Escort, Mazda Protege, and Mercury Tracer. This part cross-references Ford F5CZ3W004AA for the same application.
SKF manufactures this retaining ring to meet or exceed OEM specifications, helping maintain the proper fit required for reliable wheel bearing retention. The CIR143 part number is a direct match for service work where the original clip is rusted, distorted, or damaged during removal.
What It Is Used For
- Replacing a rusted or damaged wheel bearing retaining ring
- Securing a generation one wheel bearing inside the steering knuckle
- Restoring proper bearing retention after hub or bearing service
- Addressing looseness caused by a worn or deformed C-clip
- Supporting correct front or rear wheel bearing installation on listed vehicles
Installation Notes and Tips
Inspect the steering knuckle and bearing seat before installation. Replace the retaining ring if it shows corrosion, bending, or wear, and confirm the ring dimensions match the application before assembly. For fitment, SKF CIR143 fits 1991-2003 Ford Escort, front; 1990-2003 Mazda Protege, front; 2002-2003 Mazda Protege5, front; 1991-1999 Mercury Tracer, front; 1992-1996 Mazda MX-3, front; 1990-1995 Mazda 323, front; and 1989 Mazda 323, rear.
Quality Assurance
SKF has more than 100 years of engineering and manufacturing experience, and this retaining ring is produced to meet or exceed OEM test requirements for dependable service life.
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Ford | Escort | — | — | Front | — |
| 2003 | Mazda | Protege | — | — | Front | — |
| 2003 | Mazda | Protege5 | — | — | Front | Protege5: |
| 2002 | Ford | Escort | — | — | Front | — |
| 2002 | Mazda | Protege | — | — | Front | — |
| 2002 | Mazda | Protege5 | — | — | Front | Protege5: |
| 2001 | Ford | Escort | — | — | Front | — |
| 2001 | Mazda | Protege | — | — | Front | — |
| 2000 | Ford | Escort | — | — | Front | — |
| 2000 | Mazda | Protege | — | — | Front | — |
| 1999 | Ford | Escort | — | — | Front | — |
| 1999 | Mazda | Protege | — | — | Front | — |
| 1999 | Mercury | Tracer | — | — | Front | — |
| 1998 | Ford | Escort | — | — | Front | — |
| 1998 | Mazda | Protege | — | — | Front | — |
| 1998 | Mercury | Tracer | — | — | Front | — |
| 1997 | Ford | Escort | — | — | Front | — |
| 1997 | Mazda | Protege | — | — | Front | — |
| 1997 | Mercury | Tracer | — | — | Front | — |
| 1996 | Ford | Escort | — | — | Front | — |
| 1996 | Mazda | MX-3 | — | — | Front | — |
| 1996 | Mazda | Protege | — | — | Front | — |
| 1996 | Mercury | Tracer | — | — | Front | — |
| 1995 | Ford | Escort | — | — | Front | — |
| 1995 | Mazda | 323 | — | — | Front | — |
| 1995 | Mazda | MX-3 | — | — | Front | — |
| 1995 | Mazda | Protege | — | — | Front | — |
| 1995 | Mercury | Tracer | — | — | Front | — |
| 1994 | Ford | Escort | — | — | Front | — |
| 1994 | Mazda | 323 | — | — | Front | — |
| 1994 | Mazda | MX-3 | — | — | Front | — |
| 1994 | Mazda | Protege | — | — | Front | — |
| 1994 | Mercury | Tracer | — | — | Front | — |
| 1993 | Ford | Escort | — | — | Front | — |
| 1993 | Mazda | 323 | — | — | Front | — |
| 1993 | Mazda | MX-3 | — | — | Front | — |
| 1993 | Mazda | Protege | — | — | Front | — |
| 1993 | Mercury | Tracer | — | — | Front | — |
| 1992 | Ford | Escort | — | — | Front | — |
| 1992 | Mazda | 323 | — | — | Front | — |
| 1992 | Mazda | MX-3 | — | — | Front | — |
| 1992 | Mazda | Protege | — | — | Front | — |
| 1992 | Mercury | Tracer | — | — | Front | — |
| 1991 | Ford | Escort | — | — | Front | — |
| 1991 | Mazda | 323 | — | — | Front | — |
| 1991 | Mazda | Protege | — | — | Front | — |
| 1991 | Mercury | Tracer | — | — | Front | — |
| 1990 | Mazda | 323 | — | — | Front | — |
| 1990 | Mazda | Protege | — | — | Front | — |
| 1989 | Mazda | 323 | — | — | Front | From 5/89 |
| 1989 | Mazda | 323 | Hatchback | AWD | Rear | — |
| No rows match your filter. | ||||||