Abstract: The effects of several embedded solid lubricants and additives on the friction and wear properties of tin-bronze bearings under room temperature are examined by using an end-face friction test machine, moreover, the chemical compositions and combinations of transfer film of friction surfaces are analysed by X-ray diffraction and Auger electron spectroscope. The results show that PTFE, MoS2 and graphite as solid lubricants of tin-bronze bearings can reduce the friction and wear under dry friction. The transfer film of solid lubricant on friction surface can reduce effectively the adhesion of surfaces of friction pairs.