This hub is purpose-built for demanding agricultural trailers that run without brakes. It fits 9,500-lb axles and carries up to 4,910 lbs per hub (at max 20 mph), giving you solid load support for farm hauling. The 8 on 8" bolt pattern and 6" pilot hole diameter provide a steady mount for wide agricultural wheels, while the -1.50" wheel offset helps maintain proper alignment under load.
Keeping bearings greased in the field doesn’t need to slow you down. This assembly includes a built-in grease fitting for quick lubrication. Connect your grease gun, add fresh grease through the fitting, and you’re done—no need to pull seals or disassemble the hub. It keeps downtime short and helps your bearings last longer.
Everything you need is in the box so you can mount it right away. The inner bearing (25590) and race (25520), outer bearing (25877) and race (25821), grease seal (AG-GS-36282000SL), grease cap, wheel studs, and eight lug nuts are all included. The races and studs come pre-installed to save setup time and keep assembly clean.
From the hub face to the top of the center measures 4-5/8", giving you a precise profile that aligns with standard agricultural wheels and spindles like TRP spindle # SP-778213-155. The seal’s 2.000" inner diameter and 3.628" outer diameter lock in a secure grease barrier, keeping dirt out while holding lubrication where it belongs.
Designed by TruRyde’s agricultural division, this standard grade idler hub stands up to the steady wear of farm use. With its solid construction and pre-installed hardware, it’s a dependable choice for keeping your trailer rolling through long days in the field.
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"
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello, neighbors. Steven here with etrailer.com. Let's take a look at our Agricultural Trailer Hub Assembly for 9,500 pound axles with an eight on eight Wheel Stud Pattern. Now folks, I will throw up some information on the screen as far as the bearings, race, seals, those kind of things. The inner bearing is a 25590, and that's gonna be your big one here. And the outer bearing is your 255, oh, I'm sorry, 25877.
Now the races are already pressed in. Those come with the hub already included. And then you got the nice grease seal here. I'll put the item number on the screen as well, and you get the included cap as well. So again, folks, an eight on eight inch hub lug pattern.
Now again, this is an agricultural hub, meaning it's gonna be used for farm implementations, farm trailers, those kind of things. And it has what's called a negative wheel offset of negative 1.50. You got a grease Zerk here for easy greasing for maintenance and everything. And again, you can see the races are pressed in place there and over here in the front as well. So I'm gonna set this back down.
So again, folks, everything you need here, it's gonna come pre-installed, just like you see here in the hub. All you'll need to do is take everything, you know, back out when you get it, and then grease everything up, put it in its place. And then whenever you got it back on, the axle and everything, tap in your cap there and you're good to go. Now that's just rated at a max capacity of 4,910 pounds at a max speed of 20 miles per hour. So keep in mind, agricultural stuff, as you probably already know, you're not going super fast.
It's really not made for on-road use and high highway speeds. Well, folks, I think that's gonna wrap it up for our quick look at this Agricultural Trailer Hub Assembly. I'm Steven. Thanks for watching.
Customer Satisfaction Score:
87% were satisfied with this product
13% of customers were not satisfied
Ratings & Reviews
Item was used and damaged
Put my order in and it was here in less than 2 days. Everything fit exactly like it should. Extremely satisfied!!
Excellent service and telephone support staff was very helpful.
Hard to find hub assembly but they managed to find one and received it within days.
Thanks
It was a hard to find hub but fit perfectly on my tender tank trailer. Well built.
Worked great
item fit perfectly, was shipped promptly, and came with all needed components.
THIS WAS A CROSS FROM ANOTHER NUMBER BUT BEARINGS WON'T FIT
Great product, fit perfectly. I really liked the addition of a grease zerk for easy servicing.
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