Trailer Hub Assembly - 3500 lbs Axle - 5 on 4-3/4

Dexter Trailer Hubs and Drums - 845475UC1

3.5K Trailer Hub with Bearings, Races and Seal

• Used on Dexter and most 3,500 lbs Axles
• Capacity of 1,750 lbs per each
• Bolt Pattern: 5 on 4-3/4 (for information see below)
• Bearings (L68149 Inner/L44649 Outer), Races, Cap (1.986" OD), and Seal Included

Note: Most trailer tires that are smaller than 15" and have 5 bolts, have a 5 on 4-1/2" bolt pattern.

How to Measure Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number is the diameter of the circle the holes sit on. To determine the diameter on wheels with an even number of bolt holes, measure center-to-center on bolt holes directly across from each other on the circle (Example: 8 on 6-1/2 would mean 8 bolt holes with 6-1/2" center-to-center diameter). When the number of bolt holes is odd, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from it on the circle (Example: 5 on 4-1/2 would mean 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolts).

AND / OR

The distance between the center of one bolt hole on the wheel to the center of the bolt hole right next to it will also help determine the bolt pattern.

• If D = 2-5/8" then the bolt pattern is a 5 on 4-1/2
• If D = 2-3/4" then the bolt pattern is a 5 on 4-3/4
• If D = 3" then the bolt pattern is a 5 on 5
• If D = 3-1/4" then the bolt pattern is a 5 on 5-1/2

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• Recommended Replacement for a Dexter Hub with a 5 Bolt Pattern and A 2-3/4 Inch Bolt Distance
  
• If the 2-3/4 measurement is from center of bolt to center of bolt, then your current hub should have a bolt pattern of 5 on 4-3/4. Hub # 845475UC1 does have a bolt pattern of 5 on 4-3/4, but you will want to make sure that your current bearings will match the ones included with the hub. Hub # 845475UC1 uses inner bearing # L68149 and outer bearing # L44649. These industry standard numbers should be lasered onto the back side of your bearings, or if the numbers are not visible, you can alw
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• Replacing Dexter Hubs To Transition to a GMC Truck Wheel Bolt Pattern
  
• To determine the correct hub to replace the existing hub on your horse trailer I will need the inner and outer bearing numbers and the seal part numbers to select the proper parts for your spindle. The 8-256 number that you see on your hub is a casting number and even if I could match it to a Dexter hub assembly it would most likely not match up with the correct bearings. Remove a hub and you should find the part numbers on the back side of the bearings and the seal. You will need to measure
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