Solid Oil Bearing Technology


SKF Solid Oil bearing technology provides an ideal lubrication solution for bearings to withstand cold operating temperature extremes and rapid temperature changes typically encountered in a wide range of food processing applications.  The technology can be applied to virtually every bearing type (including stainless steel) with sufficient internal free space.  Ultimately, this eliminates any need for relubrication, minimizes ingress of potentially damaging contaminants, and resists most chemicals without emulsifying during harsh wash downs. Resulting performance benefits include extended bearing service life, reduced equipment downtime, reduced maintenance costs associated with the application and disposal of lubricant, replacement parts, and time-consuming labor. 

SKF Solid Oil consists of a polymer matrix saturated with lubricating oil that fills the internal space in a bearing and encapsulates the bearing’s cage and rolling elements.  This minimizes the “breathing” phenomenon in a bearing (when air expands and contracts internally due to rapid temperature changes) and protects against entry of water or moisture during hygienic cleanings that can cause corrosion or grease emulsification in conventionally lubricated bearings.  Since the polymer matrix contains two- to four-times more lubricating oil than standard grease-filled bearings, relubrication becomes unnecessary – especially advantageous when bearings are located in hard-to-reach areas where routine manual relubrication would prove difficult. Food-safe SKF Solid Oil bearings are engineered to perform reliably in extreme temperature applications from -5º F to -49º F / -15º C to -45º C, withstand high centrifugal forces, and will not leak or otherwise contaminate the environment during production.  Among available lubricants, NSF H1 approved or compliant selections are available down to -49º F / -45º C.  Customized Solid Oil solutions can also be developed for high-temperature applications.


  • applied to virtually every bearing type
  • no need for relubrication
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