This listing is for a single steel trailer race # 48510, sized to fit the tapered roller bearing # 48548. Having trailer races in good working condition is crucial for the safety of your trailer, as they provide a smooth surface for your roller bearings to spin on and operate correctly. If the Races in your Trailer hub appear dinged, rusted, or otherwise damaged so that they no longer have a smooth surface, they should be replaced immediately.
This Bearing Race size is typically seen as the inner bearing race in 5 Lug agricultural Trailer Hubs with a weight capacity of 2,500 lbs, and can be seen on some older trailer hubs as well. To determine if this is the correct size Race for your Trailer hub Bearings, you could check your Trailer Hubs Current races by removing them from the hub (from the opposite side, tapping the back of the race lip with a punch) and checking the number on the race. Races and bearings have standardized numbers, which tell you their size. These numbers are stamped onto the face of each race, you can see an example of how that looks in the photos above.
Most of the time, the Races inside your hubs are replaced alongside the Trailer Bearings and Trailer Grease Seal as a part of routine maintenance, usually done every 6 months to 1 year depending on how often the trailer gets used. If you are replacing all the inner parts of your trailer hubs, we do offer Bearing Kits that contain the Bearings, Races, and Grease Seal in one convenient kit. You can find the bearing kits on our website here.
We also offer the Bearing and Hub Parts individually for easier bulk ordering, or for the occasions where you need to mix and match parts that are otherwise not in a standard kit, or if you just need to replace a single part.
-Race # 44610
-Fits Bearing # 48548 (1 3/8" Inner diameter bearing)
-Typically used with 2,500 lb 5 Lug Agricultural Hubs
-2.563" Outer Diameter