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CARB toroidal roller bearings

CARB toroidal roller bearing
CARB toroidal roller bearings have one row of long, slightly barrel-shaped symmetrical rollers and torus-shaped raceway profiles (fig. 1). They are non-locating bearings and accommodate exclusively radial loads. CARB bearings are often used to replace the non-locating spherical roller bearing in a locating/non-locating bearing arrangement.

Bearing features

  • Accommodate misalignment
    CARB bearings are self-aligning like spherical roller bearings or self-aligning ball bearings (fig. 2).
  • Accommodate axial displacement
    CARB bearings compensate for thermal expansion of the shaft like cylindrical or needle roller bearings (fig. 3).
  • Wide assortment of dimension series
    CARB bearings are available with the same boundary dimensions as corresponding spherical roller bearings, self-aligning ball bearings, cylindrical roller bearings and needle roller bearings (fig. 4)
  • Long service life
    The special roller profile prevents stress peaks at the roller ends (fig. 5).
  • Low friction
    Self-guiding rollers keep friction and frictional heat at low levels (fig. 6).
  • Improved wear resistance
    The complete standard assortment is of the upgraded SKF Explorer class.
  • Low noise
    CARB bearings can reduce noise and vibration levels, for example, in paper machines and fans.

Long bearing system life

CARB bearings provide benefits in self-aligning bearing arrangements (fig. 7). With a CARB bearing in the non-locating position, there are no internally induced axial forces, which results in multiple benefits:
  • Less load extends the service life.
  • The bearings run cooler, the lubricant lasts longer and maintenance intervals can be extended. 
  • Noise and vibration levels can be reduced.

Learn more about the SKF self-aligning bearing arrangement in this video (4 min).

SKF self-aligning bearing arrangement

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