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No need to waste time packing bearings or hunting for parts. This CE Smith hub comes pre-greased with heavy-duty, marine-grade lubricant and has all the essentials already installed — inner and outer bearings (L44643), matching races (L44610), and a double-lip grease seal (12192TB). It’s ready to slide onto your spindle out of the box, making it perfect to keep onboard for quick roadside or ramp repairs.
Moisture is the enemy of any trailer hub, but this one’s ready for it. The cast iron hub is painted black for lasting strength, and the wheel bolts, cotter pin, and grease cap are zinc-plated to help resist rust even after repeated launches in salt or freshwater. The double-lip seal keeps grease in and water out, so your bearings stay protected trip after trip.
Keeping a spare hub handy doesn’t have to mean loose parts rolling around in your truck bed. This assembly packs neatly into its own carrying case with a handle, so you can store it safely and grab it fast when you need it. Everything you need to replace one hub fits inside — bearings, races, grease seal, cap, wheel bolts, and cotter pin.
With a 4 on 4" bolt pattern and 1/2" x 1-5/8" wheel bolts, this idler hub fits standard 2,500-lb axles and supports up to 1,250 lbs per hub. The 1.98" inner diameter and 5-9/16" flange diameter make alignment straightforward whether you’re refreshing an old setup or carrying it as a backup. Torque the bolts to 85–95 ft-lbs and you’re ready to roll.
From the pre-threaded flange that accepts screw-in wheel bolts to the clean factory install of the bearing races, every detail cuts down on setup time. The heavy cast build handles steady towing loads without flexing, giving you smooth rotation mile after mile — whether it’s a short local haul or a full weekend on the road.
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:
92% were satisfied with this product
8% of customers were not satisfied
Ratings & Reviews
Richard P.
3/21/2021
I am very satisfied with the hubs. I have taken the trailer on a couple of 500 mile round trips on top of a lot short fishing trips. The hubs are holding up very well.
James
5/5/2025
So far so good. One shot of grease at the beginning of the season with Bearing Buddies and Im ready for the lake
Rachael H.
6/23/2017
Thanks for the feedback. We would love to see photos of your restoration work on your trailer.
E.r. S.
9/16/2023
Excellent!! Very happy with this product.
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Lazer S.
6/24/2026
Oh dang, sorry about that, Jack. I will have our stock checked to make sure they are greased properly. Pre-greased should mean ready to use, not almost ready to use. What are you going to be installing this on?