HomeDriveline and Axles > Hardware, Fasteners and FittingsSKF CIR143 Wheel Bearing Retaining Ring - Front or Rear
Part #: CIR143

SKF CIR143 Wheel Bearing Retaining Ring - Front or Rear

Front
⚙️ 51 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mazda, and Mercury, Escort, Protege, Protege5, Tracer, MX-3, and 323
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Overview of the SKF CIR143 Wheel Bearing Retaining Ring

The SKF CIR143 wheel bearing retaining ring is designed for precise fitment in select Ford, Mazda, and Mercury vehicles. This component ensures secure positioning of wheel bearings, contributing to the driveline's overall reliability and performance.

  • Inside diameter: 2.667 inches for accurate bearing fit
  • Width: 0.082 inches providing a compact and secure profile
  • Outside diameter: 3.099 inches matching OEM specifications
  • Compatible with Ford Escort and Tracer models
  • Fits Mazda 323, MX-3, Protege, and Protege5 vehicles
  • Also suitable for Mercury models sharing similar driveline components

Detailed Product Description

The SKF CIR143 retaining ring is engineered to maintain the position of wheel bearings within the hub assembly. Its precise dimensions—2.667 inches inside diameter, 0.082 inches width, and 3.099 inches outside diameter—ensure a secure fit that prevents bearing movement and potential driveline issues. This retaining ring is manufactured to meet the exacting standards required for Ford Escort, Tracer, Mazda 323, MX-3, Protege, and Protege5 models, as well as compatible Mercury vehicles. Using the correct retaining ring like the CIR143 helps maintain wheel alignment and bearing integrity under various driving conditions.

Common Applications and Problem Resolution

  • Prevents wheel bearing displacement during vehicle operation
  • Eliminates excessive bearing play that can cause noise or vibration
  • Helps avoid premature bearing wear and potential hub damage
  • Supports proper driveline alignment for smooth wheel rotation
  • Addresses issues related to loose or missing retaining rings in specified Ford, Mazda, and Mercury models

Installation Notes and Tips

  • Ensure the hub and bearing surfaces are clean before installation
  • Verify the retaining ring dimensions match OEM specifications for your vehicle
  • Use appropriate tools to avoid deformation during installation
  • Check for proper seating of the retaining ring to prevent bearing movement
  • Consult vehicle service manuals for torque and assembly procedures

Quality Assurance and Warranty

SKF manufactures the CIR143 wheel bearing retaining ring to meet industry standards for durability and precision. While specific warranty details may vary, SKF products typically come with a limited warranty against manufacturing defects. Using genuine SKF parts helps ensure compatibility and longevity in Ford Escort, Mazda 323, and Mercury driveline systems.

This part fits 51 vehicles. Search below:

YearMakeModelBody TypeDrive TypePositionNotes
2003FordEscortFront
2003MazdaProtegeFront
2003MazdaProtege5FrontProtege5:
2002FordEscortFront
2002MazdaProtegeFront
2002MazdaProtege5FrontProtege5:
2001FordEscortFront
2001MazdaProtegeFront
2000FordEscortFront
2000MazdaProtegeFront
1999FordEscortFront
1999MazdaProtegeFront
1999MercuryTracerFront
1998FordEscortFront
1998MazdaProtegeFront
1998MercuryTracerFront
1997FordEscortFront
1997MazdaProtegeFront
1997MercuryTracerFront
1996FordEscortFront
1996MazdaMX-3Front
1996MazdaProtegeFront
1996MercuryTracerFront
1995FordEscortFront
1995Mazda323Front
1995MazdaMX-3Front
1995MazdaProtegeFront
1995MercuryTracerFront
1994FordEscortFront
1994Mazda323Front
1994MazdaMX-3Front
1994MazdaProtegeFront
1994MercuryTracerFront
1993FordEscortFront
1993Mazda323Front
1993MazdaMX-3Front
1993MazdaProtegeFront
1993MercuryTracerFront
1992FordEscortFront
1992Mazda323Front
1992MazdaMX-3Front
1992MazdaProtegeFront
1992MercuryTracerFront
1991FordEscortFront
1991Mazda323Front
1991MazdaProtegeFront
1991MercuryTracerFront
1990Mazda323Front
1990MazdaProtegeFront
1989Mazda323FrontFrom 5/89
1989Mazda323HatchbackAWDRear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.