National 308 Wheel Bearing - Rear or Rear Outer
OE Quality 60-Day Returns
National

National 308 Wheel Bearing - Rear or Rear Outer

Brand National 308
Position Rear and Rear Outer
Bore (Inch) 1.575
Bore (mm) 40.000
Design Single row radial
Inner Race Bore (Inch) 1.575
Inner Race Bore (MM) 40.000
Inner Race Radius (Inch) 0.060
Inner Race Radius (MM) 1.520
Inner Race Width (Inch) 0.906
Inner Race Width (MM) 23.000
Outer Race Outside Diameter (Inch) 3.543
Outer Race Outside Diameter (MM) 90.000
Outer Race Radius (Inch) 0.060
Outer Race Radius (MM) 1.520
Outer Race Width (Inch) 0.906
Outer Race Width (MM) 23.000
Outside Diameter (Inch) 3.543
Outside Diameter (mm) 90.000
Part Description Ball bearing
Series 300
Type A-1
Width (Inch) 0.906
Width (mm) 23.000
Fits Ford, Mercedes-Benz, and Nissan · 94 vehicles

OE-quality design. Built to meet or exceed original equipment standards.

Single-row radial design. Helps deliver smooth, reliable bearing performance.

Premium-quality bearing. Manufactured to exacting standards for lasting life.

Cross-references ACI 88077, AMS Automotive 6308 and Anchor 2206 for the same application. See all 171.

$65.45Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $65.45
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Wheel Bearing options

National 308 Wheel Bearing Overview

The National 308 wheel bearing is a single row radial ball bearing built for rear driveline and axle applications that call for a 40 mm bore and 90 mm outside diameter. It is manufactured to meet or exceed OE quality standards and is designed for consistent operation and extended bearing life in demanding service.

Compatible With select Ford F-250, Ford F-250 HD, Ford F-350, Nissan 720, and Mercedes-Benz 300-series rear applications, this bearing is a direct-fit service part for vehicles that use the specified dimensions and transfer case configurations.

  • Part number: 308
  • Single row radial ball bearing design
  • 40.000 mm bore / 1.575 in bore
  • 90.000 mm outside diameter / 3.543 in outside diameter
  • 23.000 mm width / 0.906 in width
  • Type A-1, Series 300
  • Rear position applications

Fitment and Application Details

Fits 1996-1997 Ford F-250, Rear, with Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed. Fits 1997 Ford F-250 HD, Rear, with Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed. Fits 1994-1997 Ford F-350, Rear, with Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed.

Fits 1980-1986 Nissan 720, Rear, with Fuji Univance T100L Transfer Case; with Part Time 4WD; 2 Speed. Fits 1963-1967 Mercedes-Benz 300SEL, Rear. Fits 1960-1966 Mercedes-Benz 300SE, Rear. Fits 1954-1963 Mercedes-Benz 300SL, Rear. Fits 1958-1962 Mercedes-Benz 300D, Rear.

  • Rear wheel bearing service for Ford F-250 and F-350 4WD driveline setups
  • Rear bearing replacement for Nissan 720 part-time 4WD applications
  • Rear axle bearing service on Mercedes-Benz 300SL, 300SE, 300SEL, and 300D models
  • Noise, roughness, or looseness at the wheel end
  • Wear-related bearing replacement during driveline repair

Installation Notes and Tips

Verify bore, outside diameter, width, and race dimensions before installation to confirm the correct match for the hub or axle assembly. This bearing is specified for rear applications, so confirm the vehicle’s transfer case and 4WD configuration where listed. Clean the bearing seat and inspect related seals, races, and mating surfaces during service to help ensure proper fit and smooth operation.

Quality Assurance

National manufactures this bearing to exacting standards with OE-quality expectations in mind. The 308 is built for dependable performance in wheel-bearing service and is backed by the brand’s focus on dimensional accuracy and bearing life.

This part cross-references SKF (e.g., 6308-J, 550247) for the same application.

Related reading

This part fits 94 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeDrive TypePositionNotes
1997FordF-250—4WDRearwith Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed
1997FordF-250 HD—4WDRearwith Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed
1997FordF-350—4WDRearwith Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed
1996FordF-250—4WDRearwith Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed
1996FordF-350—4WDRearwith Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed
1995FordF-350—4WDRearwith Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed
1994FordF-350—4WDRearwith Borg-Warner 4407 Transfer Case; with Part Time 4WD; 2 Speed
1986Nissan720—4WDRearwith Fuji Univance T100L Transfer Case; with Part Time 4WD; 2 Speed
1985Nissan720—4WDRearwith Fuji Univance T100L Transfer Case; with Part Time 4WD; 2 Speed
1984Nissan720—4WDRearwith Fuji Univance T100L Transfer Case; with Part Time 4WD; 2 Speed
1983Nissan720—4WDRearwith Fuji Univance T100L Transfer Case; with Part Time 4WD; 2 Speed
1982Nissan720—4WDRearwith Fuji Univance T100L Transfer Case; with Part Time 4WD; 2 Speed
1981Nissan720—4WDRearwith Fuji Univance T100L Transfer Case; with Part Time 4WD; 2 Speed
1981Peugeot504Wagon—Rear—
1980Nissan720—4WDRearwith Fuji Univance T100L Transfer Case; with Part Time 4WD; 2 Speed
1980Peugeot504Wagon—Rear—
1979Peugeot504Wagon—Rear—
1978Peugeot504Wagon—Rear—
1977Peugeot504Wagon—Rear—
1976Peugeot504Wagon—Rear—
1975Peugeot504Wagon—Rear—
1974DeTomasoPantera——Rear Outerwith GT5 Axle
1974Peugeot504——RearWagon Body
1973DeTomasoPantera——Rear Outerwith GT5 Axle
1973Peugeot504——RearWagon Body
1972DeTomasoPantera——Rear Outerwith GT5 Axle
1972Peugeot504——RearWagon Body
1971DeTomasoPantera——Rear Outerwith GT5 Axle
1971Peugeot504——RearWagon Body
1970Peugeot404——RearWagon Body
1970Peugeot504——RearWagon Body
1969Peugeot404——RearWagon Body
1969Peugeot504——RearWagon Body
1968Peugeot404——RearWagon Body
1967Mercedes-Benz300SEL——Rear—
1967Peugeot403——RearWagon Body
1967Peugeot404——RearWagon Body
1966Mercedes-Benz300SE——Rear—
1966Mercedes-Benz300SEL——Rear—
1966Peugeot403——RearWagon Body
1966Peugeot404——RearWagon Body
1965Mercedes-Benz300SE——Rear—
1965Mercedes-Benz300SEL——Rear—
1965Peugeot403——RearWagon Body
1965Peugeot404——RearWagon Body
1964Mercedes-Benz300SE——Rear—
1964Mercedes-Benz300SEL——Rear—
1964Peugeot403——RearWagon Body
1964Peugeot404——RearWagon Body
1963Mercedes-Benz300SE——Rear—
1963Mercedes-Benz300SEL——Rear—
1963Mercedes-Benz300SL——Rear—
1963Peugeot403——RearWagon Body
1963Peugeot404——RearWagon Body
1962Mercedes-Benz300——Rear—
1962Mercedes-Benz300D——Rear—
1962Mercedes-Benz300SE——Rear—
1962Mercedes-Benz300SL——Rear—
1962Peugeot403——RearWagon Body
1962Peugeot404——RearWagon Body
1961Mercedes-Benz300——Rear—
1961Mercedes-Benz300D——Rear—
1961Mercedes-Benz300SE——Rear—
1961Mercedes-Benz300SL——Rear—
1961Peugeot403——RearWagon Body
1961Peugeot404——RearWagon Body
1960Mercedes-Benz300——Rear—
1960Mercedes-Benz300D——Rear—
1960Mercedes-Benz300SE——Rear—
1960Mercedes-Benz300SL——Rear—
1960Peugeot403——RearWagon Body
1959Mercedes-Benz300D——Rear—
1959Mercedes-Benz300SL——Rear—
1959Peugeot403——RearWagon Body
1958Mercedes-Benz300D——Rear—
1958Mercedes-Benz300SL——Rear—
1958Peugeot403——RearWagon Body
1957Mercedes-Benz300C——Rear—
1957Mercedes-Benz300SC——Rear—
1957Mercedes-Benz300SL——Rear—
1957Peugeot403——RearWagon Body
1956Mercedes-Benz300C——Rear—
1956Mercedes-Benz300SC——Rear—
1956Mercedes-Benz300SL——Rear—
1956Peugeot403——RearWagon Body
1955Mercedes-Benz300B——Rear—
1955Mercedes-Benz300SL——Rear—
1955Peugeot403——RearWagon Body
1954Mercedes-Benz300——Rear—
1954Mercedes-Benz300B——Rear—
1954Mercedes-Benz300SL——Rear—
1953Mercedes-Benz300——Rear—
1952Mercedes-Benz300——Rear—
1951Mercedes-Benz300——Rear—
Directly replaces or cross-references 171 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 88077AMS Automotive — 6308Anchor — 2206Anchor — 3308Anchor — 3398Anchor — 3410Anchor — 9542Autolite — 308BBB Industries — 11026Carlson — 7161CSF — 10898Dorman - HELP — 25837Dorman - HELP — 81511FEL-PRO — 61492Focus Auto Parts — 84203Four Seasons — 37201Gates — 43308Hygrade Tuneup — 1308Marmon Ride Control — A2283Marmon Ride Control — A5553Monroe Shocks & Struts — 5870Monroe Shocks & Struts — 37062SKF — 6308-JSKF — 550247Spectra Premium — ST235Spectra Premium — ST436Wix — 335041B38681D37902H37122K81435-20225P14899D330838-9984646AX8564U9B94X994X2594X308301X24308C308K308S0635 333 02810891828W1792900-6011804702TF5040D10395332Z266308AC6308JEM17227M29867D33135-4400040035401914153041540418724289544852D0476744930763000D07482185659H86308GS09433194331104253R91121511123185123203124203139976149107150535150664202382M91288511305858311251332608332609334497C433185434185550247-1550247-2553186563913601328623853624781R91624842R91624934R91700516R91704020R91716501R9172000572218674343984518690118290330815169482007135203934425355632807161294047530030853058607R913100702R913100703R923100704R923146255R9133266084253873601302866008087011026770630880227432094331026139600273829413018517442538736500025906811007295940025308A43600AMK3139B308B227080BB6308C2TA-7A685AC340C340LOOBC921DV4322E94AX308F5TZ-7025DF1552GO17TS-7065JD7155JD7155HK3K167KW1247KW5317KW9005KW9226M2363AN024730N24730N115069AP40073Q0095236S108S3337S16079XSK200BSK20013ST235TX40191X7706308Y308