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National 514003 Wheel Bearing - RearOE Quality 60-Day Returns
Part #: 514003

National 514003 Wheel Bearing - Rear

Rear
⚙️ 252 vehicles fit this part
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🚗Fitment: Ford, Lincoln, Mercury, GMC, Oldsmobile, Pontiac, Edsel, and Cadillac, E-100 Econoline, E-100 Econoline Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon, F-100, F-150, Granada, Continental, Mark V, Versailles, Cougar, Monarch, Bronco, Elite, Gran Torino, Torino, Custom 500, LTD, Ranchero, Montego, Country Sedan, Country Squire, E-200 Econoline, Galaxie 500, Ranch Wagon, Monterey, P-100, Thunderbird, Mark IV, Custom, G-100, Colony Park, Marquis, Mark III, Marauder, C15/C1500 Pickup, C15/C1500 Suburban, K15/K1500 Pickup, K15/K1500 Suburban, P15/P1500 Van, Commuter, Montclair, Park Lane, Galaxie, Brougham, Villager, Voyager, 98, Delmont 88, Delta 88, K1000, K1000 Pickup, P1000, PB1000 Series, Suburban, Dynamic 88, Starfire, 1000 Series, 1500 Series, I1000, I1500, Caliente, Cyclone, Jetstar I, Fiesta, Super 88, Bonneville, Catalina, Grand Prix, Star Chief, Strato-Chief, 300, Fairlane, Meteor, Classic 98, Ventura, Ranger, Victoria, PV1000, Truck, Lincoln Series, Premier, Country Cruiser, Corsair, Club, F-350, P-350, 100, PM151, PM152, PM153, Capri, Bermuda, Citation, Pacer, Roundup, Medalist, Skyliner, Sunliner, Mark II, Turnpike Cruiser, 88, Golden Rocket 88, DeVille, Eldorado, Series 60 Fleetwood, Series 62, Series 75 Fleetwood, Deluxe 88, F-250, Chieftain, Pathfinder, Cosmopolitan, Torpedo, F1, F2, F3, F4, Mercury, Silver Streak, Streamliner, Series 61, Lincoln, Standard 88, Series 76, 9EL Series, Series 78, and Series 88
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National 514003 Wheel Bearing Overview

The National 514003 wheel bearing is engineered for reliable driveline performance in select Cadillac, Ford, Lincoln, Mercury, Oldsmobile, and Pontiac vehicles. Designed as a single row radial bearing, it offers precise fitment and durability for models such as the Ford F-150, Cadillac DeVille, and Pontiac Bonneville.

  • Single row radial design for consistent load handling
  • 1.531 inch (38.880 mm) bore diameter for accurate fit
  • Outer race diameter of 3.150 inches (80.000 mm) ensuring compatibility
  • Inner race width of 1.083 inches (27.508 mm) for secure mounting
  • Compatible with multiple makes and models including Ford Bronco and Lincoln Continental

Technical Specifications and Design Details

The National 514003 wheel bearing features a single row radial design optimized for smooth rotation and load distribution. The bore measures 1.531 inches (38.880 mm), matching the inner race bore dimensions precisely. The inner race radius is 0.090 inches (2.286 mm) with a width of 1.083 inches (27.508 mm), while the outer race has an outside diameter of 3.150 inches (80.000 mm) and a width of 0.827 inches (21.006 mm). Overall bearing width is 1.474 inches (37.432 mm), providing a compact yet robust profile suitable for various driveline applications.

Compatible Vehicles and Applications

This wheel bearing is compatible with a range of vehicles, including:

  • Cadillac DeVille and Eldorado
  • Ford F-100, F-150, F-250, F-350, Bronco, and Econoline series
  • Lincoln Continental and Town Car
  • Mercury Cougar and Marquis
  • Oldsmobile Delta 88 and 98
  • Pontiac Bonneville and Grand Prix

It is designed to meet the demands of these models’ driveline and axle systems, ensuring proper wheel rotation and vehicle stability.

Common Issues Addressed by National 514003 Wheel Bearing

  • Eliminates wheel noise caused by worn or damaged bearings
  • Prevents uneven tire wear due to bearing play
  • Reduces vibration and improves steering response
  • Maintains proper wheel alignment and axle performance
  • Enhances safety by ensuring secure wheel attachment

Installation Notes and Tips

When installing the National 514003 wheel bearing, ensure the hub and spindle surfaces are clean and free of debris. Use proper tools to press the bearing into place without damaging the races. Verify the bearing is seated fully and rotates smoothly before reassembling the wheel components. It is recommended to inspect related seals and replace them if necessary to prevent contamination.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet industry standards for durability and performance. The 514003 part is part of the Rwdb series and features the E-3 type design, ensuring consistent quality. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.

BrandNational
Part Number514003
Bore (Inch)1.531
Bore (mm)38.880
DesignSingle Row Radial
FootnoteGEN1
Inner Race Bore (Inch)1.531
Inner Race Bore (MM)38.880
Inner Race Radius (Inch)0.090
Inner Race Radius (MM)2.286
Inner Race Width (Inch)1.083
Inner Race Width (MM)27.508
Outer Race Outside Diameter (Inch)3.150
Outer Race Outside Diameter (MM)80.000
Outer Race Radius (Inch)0.040
Outer Race Radius (MM)1.016
Outer Race Width (Inch)0.827
Outer Race Width (MM)21.006
Outside Diameter (Inch)3.150
Outside Diameter (mm)80.000
Part DescriptionWheel Bearing
SeriesRWDB
TypeE-3
Width (Inch)1.474
Width (mm)37.432

This part fits 252 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1979FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1979FordE-100 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1979FordE-150 EconolineRearwith 3,300 (lb) Axle(s)
1979FordE-150 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1979FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1979FordF-150Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1979LincolnContinentalRear
1979LincolnVersaillesRearManual Transmission Output Shaft Seal for vehicles with 31 Splines.
1979MercuryCougarRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1979MercuryMonarchRearwith 9 (in) Ring Gear
1978FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1978FordE-100 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1978FordE-150 EconolineRearwith 3,300 (lb) Axle(s)
1978FordE-150 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1978FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1978FordF-150Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1978LincolnContinentalRear
1978LincolnVersaillesRearManual Transmission Output Shaft Seal for vehicles with 31 Splines.
1978MercuryCougarRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1978MercuryMonarchRearwith 9 (in) Ring Gear
1977FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1977FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1977FordE-100 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1977FordE-150 EconolineRearwith 3,300 (lb) Axle(s)
1977FordE-150 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1977FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1977FordF-150Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1977LincolnVersaillesRearManual Transmission Output Shaft Seal for vehicles with 31 Splines.
1977MercuryCougarRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1977MercuryMonarchRearwith 9 (in) Ring Gear
1976FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1976FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1976FordE-100 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1976FordE-150 EconolineRearwith 3,300 (lb) Axle(s)
1976FordE-150 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1976FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1976FordF-150Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1976MercuryCougarRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1976MercuryMonarchRearwith 9 (in) Ring Gear
1975FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1975FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1975FordE-100 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1975FordE-150 EconolineRearwith 3,300 (lb) Axle(s)
1975FordE-150 Econoline Club WagonRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1975FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1975FordF-150Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1975FordLTDRearExcept Heavy Duty Axle; with 9 (in) Ring Gear
1975MercuryCougarRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1975MercuryMonarchRearwith 9 (in) Ring Gear
1975MercuryMontegoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1974FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1974FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1974FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1974FordLTDRearExcept Heavy Duty Axle; with 9 (in) Ring Gear
1974MercuryCougarRearwith Drum Brakes; with 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1974MercuryMontegoRearwith 7.75 (in) Ring Gear
1974MercuryMontegoRearwith 8 (in) Ring Gear
1974MercuryMontegoRearwith Drum Brakes; with 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1973FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1973FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1973FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1973FordLTDRearwith 9 (in) Ring Gear
1973FordThunderbirdRear
1973LincolnContinentalRear
1973MercuryMontegoRearwith 7.75 (in) Ring Gear
1973MercuryMontegoRearwith 8 (in) Ring Gear
1973MercuryMontegoRearwith Drum Brakes; with 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1972FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1972FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1972FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1972FordLTDRearwith 9 (in) Ring Gear
1972LincolnContinentalRear
1972MercuryColony ParkRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1972MercuryColony ParkRearwith 9.375 (in) Ring Gear
1972MercuryMarquisRearwith 9.375 (in) Ring Gear
1972MercuryMarquisRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1971FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1971FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1971FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1971FordLTDRearwith 8.75 (in) Ring Gear
1971FordLTDRearwith 9 (in) Ring Gear
1971FordThunderbirdRear
1971LincolnContinentalRear
1971MercuryColony ParkRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1971MercuryColony ParkRearwith 9.375 (in) Ring Gear
1971MercuryMarquisRearwith 9.375 (in) Ring Gear
1971MercuryMarquisRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1970FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1970FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1970FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1970FordLTDRearwith 9.375 (in) Ring Gear
1970FordLTDRearwith 8.75 (in) Ring Gear
1970FordLTDRearwith 9 (in) Ring Gear
1970FordThunderbirdRear
1970LincolnContinentalRear
1970MercuryColony ParkRear
1970MercuryMarauderRear
1970MercuryMarquisRear
1969FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1969FordE-100 EconolineRearwith 3,300 (lb) Axle(s)
1969FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1969FordF-100Rearwith 9.375 (in) Ring Gear; with 3,600 (lb) Axle(s)
1969FordLTDRearwith 9.375 (in) Ring Gear
1969FordLTDRearwith 8.75 (in) Ring Gear
1969FordLTDRearwith 9 (in) Ring Gear
1969FordThunderbirdRear
1969MercuryColony ParkRear
1969MercuryMarauderRear
1969MercuryMarquisRear
1968FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1968FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1968FordF-100Rearwith 9.375 (in) Ring Gear; with 3,600 (lb) Axle(s)
1968FordLTDRearwith 9.375 (in) Ring Gear
1968FordLTDRearwith 8.75 (in) Ring Gear
1968FordLTDRearwith 9 (in) Ring Gear
1968FordThunderbirdRear
1968MercuryColony ParkRear
1968MercuryMarquisRear
1967FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1967FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1967FordF-100Rearwith 9.375 (in) Ring Gear; with 3,600 (lb) Axle(s)
1967FordLTDRearwith 9 (in) Ring Gear; with Heavy Duty Axle
1967FordLTDRearwith 9.375 (in) Ring Gear
1967FordThunderbirdRear
1967MercuryColony ParkRear
1967MercuryMarquisRear
1967MercuryVillager6.4LV8Rear
1967Oldsmobile98Rear
1967OldsmobileDelta 88Rear
1966FordBroncoRearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1966FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1966FordF-100Rearwith 9.375 (in) Ring Gear; with 3,600 (lb) Axle(s)
1966FordLTDRearwith 9 (in) Ring Gear; with Heavy Duty Axle
1966FordLTDRearwith 9.375 (in) Ring Gear
1966FordThunderbirdRear
1966MercuryColony ParkRear
1966MercuryMarauderRear
1966MercuryVillager6.4LV8Rear
1966Oldsmobile98Rear
1966OldsmobileDelta 88Rear
1966OldsmobileStarfireRear
1965FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1965FordF-100Rearwith 9.375 (in) Ring Gear; with 3,600 (lb) Axle(s)
1965FordLTDRearwith 9 (in) Ring Gear; with Heavy Duty Axle
1965FordThunderbirdRear
1965MercuryColony ParkRearwith Heavy Duty Axle
1965MercuryMarauderRearwith Heavy Duty Axle
1965MercuryVillager7.0LV8Rearwith Heavy Duty Axle
1965Oldsmobile98Rear
1965OldsmobileDelta 88Rear
1965OldsmobileStarfireRear
1964FordF-100Rearwith 9 (in) Ring Gear; with 3,300 (lb) Axle(s)
1964FordF-100Rearwith 9.375 (in) Ring Gear; with 3,600 (lb) Axle(s)
1964FordThunderbirdRear
1964MercuryColony ParkRearwith Heavy Duty Axle
1964MercuryMarauderRearwith Heavy Duty Axle
1964Oldsmobile98Rear
1964OldsmobileStarfireRear
1964PontiacBonnevilleRear
1964PontiacCatalinaRear
1964PontiacGrand PrixRear
1963FordF-100Rear
1963FordThunderbirdRear
1963MercuryColony ParkRearwith Heavy Duty Axle
1963MercuryMarauderRearwith Heavy Duty Axle
1963Oldsmobile98Rear
1963OldsmobileStarfireRear
1963PontiacBonnevilleRear
1963PontiacCatalinaRear
1963PontiacGrand PrixRear
1962FordF-100Rear
1962FordThunderbirdRear
1962MercuryColony ParkRearwith Heavy Duty Axle
1962Oldsmobile98Rear
1962OldsmobileStarfireRear
1962PontiacBonnevilleRear
1962PontiacCatalinaRear
1962PontiacGrand PrixRear
1961FordF-100Rear
1961FordThunderbirdRear
1961LincolnContinentalRear
1961MercuryColony ParkRearwith Heavy Duty Axle
1961Oldsmobile98Rear
1961OldsmobileStarfireRear
1961PontiacBonnevilleRear
1961PontiacCatalinaRear
1960FordF-100Rear
1960FordThunderbirdRear
1960LincolnContinentalRear
1960MercuryColony ParkRear
1960Oldsmobile98Rear
1960PontiacBonnevilleRear
1960PontiacCatalinaRear
1959FordF-100Rear
1959FordF-350Rear
1959FordThunderbirdRear
1959LincolnContinentalRear
1959MercuryColony ParkRear
1959Oldsmobile98Rear
1959PontiacBonnevilleRear
1959PontiacCatalinaRear
1958FordF-100Rear
1958FordF-350Rear
1958FordThunderbirdRear
1958LincolnContinentalRear
1958MercuryColony ParkRear
1958Oldsmobile98Rear
1957FordF-100Rear
1957FordF-350Rear
1957FordThunderbirdRear
1957MercuryColony ParkRear
1957Oldsmobile88Rear
1957Oldsmobile98Rear
1957OldsmobileStarfireRear
1956CadillacDeVilleRear
1956CadillacEldoradoRear
1956FordF-100Rear
1956Oldsmobile88Rear
1956Oldsmobile98Rear
1956OldsmobileStarfireRear
1955CadillacDeVilleRear
1955CadillacEldoradoRear
1955FordF-100Rear
1955FordF-250Rear
1955FordF-350Rear
1955Oldsmobile88Rear
1955Oldsmobile98Rear
1955OldsmobileStarfireRear
1955PontiacCatalinaRear
1954CadillacDeVilleRear
1954CadillacEldoradoRear
1954FordF-100Rear
1954FordF-250Rear
1954FordF-350Rear
1954Oldsmobile88Rear
1954Oldsmobile98Rear
1954OldsmobileStarfireRear
1954PontiacCatalinaRear
1953CadillacDeVilleRear
1953CadillacEldoradoRear
1953FordF-100Rear
1953FordF-250Rear
1953FordF-350Rear
1953Oldsmobile98Rear
1953PontiacCatalinaRear
1952Oldsmobile98Rear
1952PontiacCatalinaRear
1951Oldsmobile98Rear
1951PontiacCatalinaRear
1950Oldsmobile88Rear
1950Oldsmobile98Rear
1950PontiacCatalinaRear

* 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:

12336103208TT2R391740391745462830R514003514003P550317550317-1550317-2550317-371400388128-R88128-RB88128AR88128R88128RB907380954848954855954948B88128RB88128RBBB88128RABT88128RAC1SZ-1225AC1SZ-1225BC6AW-1225BC6AW-1225CC7QT-1225BC9AZ-1225AC9AZ1180ACC5MW-1225AD5DZ-1225BD8AZ1225CE0TZ-1225DFS88128RG88128RG88128RBGR88128R88128-RBRW8-4RWB1212WH514003Y88128R

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

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