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Temperature limits

The permissible operating temperature for tapered roller thrust bearings can be limited by:
  • the dimensional stability of the bearing washers, spacer sleeves and rollers
  • the cage
  • the seal
  • the retaining component
  • the lubricant
Where temperatures outside the permissible range are expected, contact SKF.

Bearing washers, spacer sleeves and rollers

SKF tapered roller thrust bearings are heat stabilized up to at least 120 °C (250 °F).

Cages

Steel or brass cages can be used at the same operating temperatures as the bearing washers, sleeves and rollers.

Seals

The permissible operating temperature for NBR seals is –40 to +100 °C (–40 to +210 °F).
Temperatures up to 120 °C (250 °F) can be tolerated for brief periods.

Typically, temperature peaks are at the seal lip.

Retaining components

Sheet steel covers can be used at the same operating temperatures as the bearing washers, sleeves and rollers.

The permissible operating temperature for O-rings is –40 to +100 °C (–40 to +210 °F).
Temperatures up to 120 °C (250 °F) can be tolerated for brief periods.

Lubricants

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