FU-1 copper based oil containing bearings are made from tin bronze powder as raw material, pressed by molds, sintered at high temperatures, and shaped. They have fine and evenly distributed pores and are immersed in lubricating oil vacuum to form an oil containing state. This product has the characteristics of short-term lubrication without oil, low operating cost, high precision of inner and outer diameter dimensions, and is suitable for use in medium speed and low load environments. The product has been widely used in micro motors, household appliances, power tools, textile machinery, chemical machinery, automotive industry, and office equipment.