PURPOSE: To prevent the damage of the bearing in the film lubrication bearing device for scroll fluid machinery by always having proper oil film generated in the slide bearing.

CONSTITUTION: In a slide bearing 8 within a revolving scroll 3 movably supporting a crank shaft 8, a thin walled slide bearing 8 fixed on the frame 10 of an upper scroll compressor, and a lower side slide bearings 11 and 12, both end sections of each bearing are designed not to come in contact with the frame 10 faced to the aforesaid end sections, and over-hang sections capable of being deformed are thereby formed at both ends of each bearing. And both end sections of each bearing are so designed as to be deformed as the shaft is tilted.