Track roller with oil filter

摘要: An improved tractor roller or idler assembly for a track-type tractor. A stationary shaft is secured to the major minor bogie. The has an internal cavity which retains supply of lubricating oil. Radially extending passageways are projected through its exterior surface. Sleeve bearings rotate on and enhance rotation idler. Lubricating oil permitted flow radially projecting lubricate sleeve bearings. filter, disposed within into cavity, assures that harmful contaminants in do not reach interfere with