Spidertrax Offroad Replacement Unit Bearing for Spider 9 Applications

Spidertrax upgraded Ford F450 1 ton unit bearings are the answer to ultimate rock crawling performance. We start with the actual, made in USA, OEM unit bearing used by Ford which is without question the best unit bearing on the market. Then, we CNC machine each one in-house to accommodate upgraded 35 spline stub shafts and a 5 x 5.5" or 6 x 5.5" wheel bolt pattern complete with 1/2" screw in wheel studs. Designed to work with Spidertrax Ultimate 60 Knuckles or other aftermarket knuckles using F450 style unit bearings. Do not be fooled by cheap imported imitations!