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SKF Bearings with Solid Oil: Long-Lasting, Moisture-Resistant Solutions for Contaminant-Rich Environments
SKF bearings with Solid Oil are designed for use in applications where high levels of moisture and incidental contact with water and other contaminants are real issues. Bearings with Solid Oil are lubricated for the life of the bearing and cannot be relubricated.
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
- Having a porous structure, with millions of micro-pores that retain the lubricating oil by surface tension
- Virtually fills all of the free space in the bearing
- Releases oil into the narrow gaps, during operation, providing effective minimum quantity lubrication
Features and benefits
- Long service life
- 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 re-absorbed back into the polymer material.
- Extended lubricant life
- With Solid Oil bearings, a large amount of oil is available (two to four times more compared to conventional grease fill).
- The Solid Oil polymer structure eliminates lubricant churning.
- Solid Oil is a high-quality synthetic oil that resists oxidation.
- Resists washout
- 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.
- Virtually eliminates lubricant leakage
- Solid Oil retains oil in the bearing.
- Integral bearing seals further increase the oil retention.
- Protects against the ingress of contaminants
- Close osculation between Solid Oil and the rolling elements and raceways significantly reduces the ingress of contaminants.
- Solid Oil provides additional support for integral bearing seals.
Applications
Here are examples of applications in which bearings with Solid Oil might be used:
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