
Spidertrax 40 Spline Ultimate Unit Bearing 6 on 6-1/2" x 5/8" Studs
Ultimate Unit Bearing 40 Spline6 on 6-1/2" x 5/8" Studs Built ground up for Ultra4 rock racers, the Spidertrax Ultimate Unit Bearing is truly the reinvention of the unit bearing itself. Genuine Timken bearings, full chromoly heat treated construction, left & right hand threaded spindle nuts, and a fully integrated drive slug makes the Ultimate Unit Bearing the only racing unit bearing of its kind. The Ultimate Unit Bearing, the last bearing you'll ever need.This Ultimate Unit Bearing uses 5/8"-18 studs on a 6 on 6-1/2" bolt circle, designed specifically for Spidertrax 40 splined axle shafts. It also has a left hand threaded spindle nut, intended to be used on the left side of your vehicle (USA driver side). Overview Durable. Full chromoly heat treated construction, genuine Timken bearings, built right at our shop in Colorado. Simply the last bearing you'll ever need. Compact. With a