Bearing Kit and Hub Recommendation that Fits BT8 Spindle on Trailer  

Your pictures didn't come through but we do have some hubs that use the same #L44643 bearings. The etrailer.com Hub Assembly #AKIHUB-440-2-1K uses those same bearings and #L44610 races that you mentioned. It also uses a grease seal that has…

The Trailer Hub part #AKIHUB-440-2-1K that you referenced is designed to fit a BT8 spindle like the part #TRU94FR which has an overall length of 8-1/4 inches and a stub length of 3-3/8 inches. That means the remaining section where the seal,…

The best way to match hubs to an axle/spindle is going to be by finding a hub with the same size bearings as the ones that you removed; you can usually find numbers stamped on the backs of the bearings that designate their size. The Trailer Idler…

Trailer Idler Hub Assembly #AKIHUB-440-2-1K uses two of bearing part #L44643 which fit on a 0.99-inch diameter spindle. I went to our warehouse to measure this hub for you. The overall exterior depth of the hub from end to end (see picture please)…

If you're looking for a pre-greased trailer hub assembly to match bearing number #L44643 you can use this trailer hub assembly #AKIHUB-440-2-1K which comes with L44643 bearings that are pre-greased. I've included a review video for…

I would love to help but the manufacturer doesn't provide us with any dimensional drawing of the Trailer Idler Hub Assembly for 2,000-lb Axles part #AKIHUB-440-2-1K. However, I went out to our warehouse for you and took a few useful…

The trailer hub part #AKIHUB-440-2-1K that you referenced has a mounting flange and snout diameter that is compatible with 12 inch trailer wheels like you said you were needing.

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

Yes, the BT8 Spindle for 2,000-lb Trailer Axles - 1-1/4" Diameter #TRU94FR and the Trailer Idler Hub Assembly for 2,000-lb Axles - 4 on 4 - L44643 Bearings - Pre-Greased #AKIHUB-440-2-1K are compatible with each other.

The trailer hub part #AKIHUB-440-2-1K matches exactly what you would need. Bearings, bolt pattern and stud dimensions are the exact same.

The two bearings you mentioned have different inner diameters. The #L44643 has an inner diameter that is exactly 1 inch and the #L44649 is 1.06 inch. This may not seem like a lot but it's a big enough difference to prevent the hub you have…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.