Bearing bush grinding detection tool

The utility model provides a bearing bush grinding detection tool which is characterized by comprising a roller with a shaft, wherein two ends of the shaft are respectively sleeved with a handle, and a color coating layer is arranged on the surface of the roller. The roller provided with the color coating layer on the surface can be conveniently placed in a bearing bush, the handles are operated to ensure that the roller rolls along the inner surface of the bearing bush so that salient points become color points and are prominent, so that the scraping and grinding are facilitated; and meanwhile, the quantity of the salient points in the unit area is conveniently figured out until the bearing bush grinding is qualified. The bearing bush grinding detection tool is high in detection efficiency and more accurate in detection result. The defects of low work efficiency, large detection error and the like of the existing manual grinding detection are overcome, the yield of products is greatly increased, and the qual