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Trailer Wheel Hubs Trailer Wheel Hubs

Replacement wheel hubs for all types of trailers.  They are even available in kits that includes everything you need to do the job.

To select a hub the first step is to determine is the number of studs/bolts and the ‘bolt circle’ diameter. Most 4 lug hubs have a 4” bolt circle and most 5 lug boat trailer hubs have a 4-1/2” bolt circle diameter. Cargo and utility trailers with 5 lug hubs are commonly found with a 5” bolt circle. To correctly measure the bolt circle of a hub, measure from the center of the hub to the center of a stud and multiple that measurement by two.

trailer wheel bolt circle measuring


The second measurement is the Inner and Outer bearing size. Most bearings are stamped with a reference number that can be used to easily identify its inside diameter.  If the number is not available, the most accurate way to measure the bearing I.D. is with a micrometer. Be sure to check both the inner and outer bearing measurements before ordering. Hub length or bearing distance should also be considered. Some trailer manufacturers, such as LOADRITE & EZ-LOADER, use a ‘short hub’ on their 1” & 1-1/16” straight axles. The overall hub length is therefore shorter than most other standard trailer hubs.

When rebuilding the hub body with a new bearing kit remember to always replace both the inner and outer races or cups as a set.

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 PRESS IN STUDS - DIAMETER: 1/2, PITCH: 20, LENGTH: 1.84, UHI, HR 
 PRESS IN STUDS - DIAMETER: 1/2, PITCH: 20, LENGTH: 1.84, UHI, HR 
 $4.38 
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 STUD FOR 12" ROTOR 
 STUD FOR 12" ROTOR 
 $0.90 
Buy Now 
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