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Salt and water can ruin a hub fast, but this one’s made to handle it. The Dexter Trailer Idler Hub Assembly has a galvanized zinc coating tested to withstand 500 hours of salt spray exposure. That means it’s tough enough for marine use and frequent immersion without corroding or binding up. It’s a smart match for trailers that see regular water contact thanks to its true marine-grade build.
Everything you need comes in one box—inner and outer bearings (L44649, 1.063" inner diameter), races (L44610), grease seal (10-9, 1.5" inner diameter and 1.987" outer diameter), grease cap, and zinc-coated lug nuts. Each part is already matched to fit 2,200-lb idler axles with BTR spindles, so there’s no second guessing or extra parts run needed.
Each hub carries 1,100 lbs and fits wheels from 8" to 12". The solid construction and 1/2" wheel bolts provide dependable strength for small utility and marine trailers. The 5 on 4-1/2" bolt pattern keeps things standard, making wheel swaps simple when it’s time for fresh rubber or a spare.
Replacing old or damaged hubs doesn’t have to be complicated. This complete hub slides directly onto your spindle using the pre-installed races—no hammering or alignment guesswork required. It’s a direct solution when you’re refurbishing an older trailer or keeping a spare hub ready for roadside repairs, saving time and effort when it matters most.
1. Count the lug holes
Look at the wheel hub or the back of the wheel and count how many lug holes there are(also called bolt holes).
Common configurations include: 4-lug, 5-lug, 6-lug and 8 lug
2a. For even lug counts (4-lug, 6-lug, 8-lug)
Measure from the center of one lug hole directly across to the center of the hole opposite it.
Common configurations: 4 on 4", 6 on 5.5", 8 on 6.5"
2b. For odd lug counts (5-lug)
Measure from the center of one lug hole to the outer edge of the hole directly across (not center-to-center since there's no directly opposite hole).
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"
Customer Satisfaction Score:
93% were satisfied with this product
7% of customers were not satisfied
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Gary B.
7/15/2018
Still on the trailer and working out well. I have put some hard miles on them and they seem to be holding up. Just shot some grease in them before the next trip.