22205 E/W64 SKF spherical roller bearing with solid Oil

Spherical roller bearings have two rows of symmetrical rollers, a common sphered outer ring raceway and two inner ring raceways inclined at an angle to the bearing axis. The centre point of the sphere in the outer ring raceway is at the bearing axis. Spherical roller bearings can accommodate misalignment have a high load carrying capacity and long service life. Solid oil is an oil saturated, polymer material moulded into the bearing, forming very narrow gaps between the rolling elements, raceways and cage(s), enabling the bearing to rotate freely. It has a porous structure, with millions of micro-pores that retain the lubricating oil by surface tension. Solid oil virtually fills all of the free space in the bearing and releases oil into the narrow gaps, during operation, providing effective minimum quantity lubrication. An increase in operating temperature pushes the oil toward the surface of the polymer material, supporting consistent lubricant supply. During shutdown, any excess oil is reabsorbed back into the polymer material. With Solid Oil bearings, a large amount of oil is available (two to four times more compared to conventional grease fill). Solid Oil cannot be washed out and virtually fills all free space, limiting the amount of wet contamination that can enter the bearing. Water cannot mix with the oil or Solid Oil polymer. Solid Oil retains oil in the bearing. Close osculation between Solid Oil and the rolling elements and raceways significantly reduces the ingress of contaminants.