SF-2S oil free lubrication bearing is an improved product used steel back as base, agglomerated by lobular tin bronze powder in the middle and rolled by acetal resin and polymer material containing oleophylicity fiber and special lubricant.

It is the same to external DS bearing and applicable for the situation of dry friction and little oil lubrication at ordinary temperature.

At present, the product has been used in swaying motion, situation easy to wear and erode, such as winding engines, dozers, printing and dyeing machines, travelling crane.