Trailer Hub Assembly
- Capacity of 1,250 lb. per each
- 6-1/2" Diameter Hub Flange, for use with 12" to 15" Wheels
- Bolt Pattern: 5 on 4-1/2 (for information see below)
- Bearings (L44643 Inner/Outer), Races, Cap (1.986"), and Seal (# 34823) Included
- Inner bearing dimension is 1.00"
- Inner seal dimension is 1.249"
Please Note: Some axles rated at 2,000 lbs. require a different seal and bearings. Be sure that the bearings in the hub being replaced have L44643 stamped on them. If the bearings have L44649 stamped on them, use #8-258-5UC1 trailer hub.
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
Determine the bolt pattern on the trailer wheel by the number of bolts and the bolt circle. To determine the bolt circle on wheels with an even number of bolt holes, measure center-to-center on bolt holes directly across from each other on the diameter (Example: 8 on 6-1/2 would mean 8 bolt holes with 6-1/2" center-to-center diameter). On odd number bolt wheels, measure any bolt hole center to the point halfway between bolt holes on the diameter (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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