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Temperature limits

The permissible operating temperature for double row tapered roller bearings can be limited by:
  • the dimensional stability of the bearing rings and rollers
  • the cages
  • the seals
  • the lubricant
Where temperatures outside the permissible range are expected, contact SKF.

Bearing rings and rollers

SKF double row tapered roller bearings are heat stabilized up to 150 °C (300 °F).

Cages

Steel cages can be used at the same operating temperatures as the bearing rings and rollers. For temperature limits of cages made of polymer materials, refer to Cage materials.

Seals

The permissible operating temperature for seals depends on the seal material:

  • HNBR: –40 to +150 °C (–40 to +300 °F) 
  • FKM: –30 to +200 °C (–20 to +390 °F)
Typically, temperature peaks are at the seal lip.

Lubricants

For temperature limits of SKF greases, refer to SKF greases.
When using lubricants not supplied by SKF, temperature limits should be evaluated according to the SKF traffic light concept.
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