Bearing maker Timken told us its bearings are engineered to have an expected life of 150,000-200,000 miles. That's quite a spread! In fact, the front hub bearings in our own Ford F-550 Super Duty ...

Spanner wrenches have fittings for special holes in a nut that allow them to be used in spaces where there’s no way to tighten a traditional nut. They’re commonly used in places where a nut ...