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What size are Ford bearings?

Ford bearings come in a variety of sizes to accommodate different applications and requirements. The size of a Ford bearing is determined by its inner diameter, outer diameter, and width, which are measured in millimeters (mm).


Determining Ford Bearing Sizes


Ford bearings are identified by a series of numbers and letters that indicate their specific size. The numbering system typically follows this format:



  • The first two or three digits represent the inner diameter of the bearing in millimeters.

  • The next two digits represent the outer diameter of the bearing in millimeters.

  • The final one or two digits represent the width of the bearing in millimeters.


For example, a Ford bearing with the designation "6205" would have an inner diameter of 25 mm, an outer diameter of 52 mm, and a width of 15 mm.


Common Ford Bearing Sizes


Some of the most common Ford bearing sizes include:



  • 6205: 25 mm inner diameter, 52 mm outer diameter, 15 mm width

  • 6305: 25 mm inner diameter, 62 mm outer diameter, 17 mm width

  • 6405: 25 mm inner diameter, 72 mm outer diameter, 19 mm width

  • 6505: 25 mm inner diameter, 82 mm outer diameter, 21 mm width

  • 6605: 30 mm inner diameter, 92 mm outer diameter, 23 mm width


These are just a few examples of the many Ford bearing sizes available. The specific size required will depend on the application and the vehicle model.

How to identify bearing size?


The size of a ball bearing can be determined by measuring its outer diameter (OD), bore size (ID), and width. These measurements are usually expressed in millimetres (mm). Using a calliper or a micrometer, you can accurately measure these dimensions.



What are standard bearing sizes?


Common metric sizes for ball bearings include:
6200 series: 10 to 30 mm bore diameter. 6300 series: 10 to 35 mm bore diameter. 6800 series: 10 to 80 mm bore diameter. 6900 series: 10 to 100 mm bore diameter.



Does Ford use Timken bearings?


The Timken bearing plant in Altavista, Virginia invested in specific upgrades and improvements to consistently manufacture Ford Super Duty wheel hub units for reliability, long life and quality performance.



How do I know my wheel bearing size?


Or you can take a pair of calibers measures the inner diameter of the bearing. That's going to be inch and a sixteenth. Okay next you want to take the inner bearing.



What size are Ford wheel bearings?


Common bearing combinations

Bearing typeInner bearing Part numberInner bearing Dimensions (ID x OD x width) in mm
Slimline (Ford)L68149/1034.988 x 59.131 x 15.875
CompositeLM67048/1031.750 x 59.131 x 15.875
ParallelL68149/1034.988 x 59.131 x 15.875
M/T25580/2044.450 x 82.931 x 23.812



Who makes bearings for Ford?


The Timken Company (NYSE: TKR; www.timken.com) designs a growing portfolio of engineered bearings and industrial motion products.



How do I know if my Ford 9 inch is third member?


If you cannot put the socket on you have a 9. In if you can put the socket on the two studs you have an 8. In why that is design but I like the 9.



Who sells the best wheel bearings?


6 Best Wheel Bearing Brands

  • TrueDrive®
  • Timken®
  • Centric®
  • Motorcraft®
  • Crown®
  • ACDelco®



How do I know what size main bearings I need?


Measuring the inside diameter of a main or rod bearing will require a dial bore gauge. The best ones are accurate down to 0.0001-inch and generally come as a set that offers a measurement range from 2 inches to 4 inches inside diameter (id). With these two tools you can quickly determine the clearances in any engine.



What size bearings are on a Ford 9 inch third member?


Bearing Size: The 3.062” diameter bearing caps are the most common size. A 28 or 31 spline spool or differential can be used. Speedway also has a carrier with 3.25” diameter bearing caps.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.