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Rolling bearings support and guide rotating or oscillating machine elements – such as shafts, axles or wheels – and transfer loads between machine components. They provide high precision and low friction and therefore enable high rotational speeds while reducing noise, heat, energy consumption and wear.

CARB Toroidal Roller Bearings

Roller bearings — also known as rolling-element bearings — are similar to ball bearings in that they are designed to carry a load while minimizing friction. However, roller bearings transmit loads using cylinder rolling elements, rather than balls, to maintain the separation between moving parts of the bearing. These versatile bearings can contain single or multiple rows of rolling elements; multiple rows can significantly improve radial load capacity. Also, the use of different roller shapes can further reduce friction and support both radial and axial loads.

Roller bearings are used in rotary applications to replace sliding movement with low friction, rolling. Automated roller bearing setting techniques offer many advantages like reduced setting time, assembly cost, and reliable setting. To select the right roller bearing, one must determine the desired bearing life and a sufficient basic dynamic load rating to meet that life requirement. Roller bearings are used in power generation, wind turbines, gear drives, rolling mills, machine tool spindles, gear reduction units, etc.

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CARB toroidal roller bearings are unique and accommodate misalignment without increased stress levels. They can accommodate higher load levels and provide significantly extended service life. They also provide frictionless axial movement within the bearing in the non-locating position in self-aligning bearing arrangements.

Features of CARB Toroidal Roller Bearings

  • Accommodate misalignment
    CARB bearings are self-aligning like spherical roller bearings or self-aligning ball bearings.
  • Accommodate axial displacement
    CARB bearings compensate for thermal expansion of the shaft like cylindrical or needle roller bearings.
  • Wide assortment of dimension series
    CARB bearings are available with the exact boundary dimensions as corresponding spherical roller bearings, self-aligning ball bearings, cylindrical roller bearings, and needle roller bearings.
  • Long service life
    The particular roller profile prevents stress peaks at the roller ends.
  • Low friction
    Self-guiding rollers keep friction and frictional heat at low levels.
  • Improved wear resistance
    All CARB bearings are upgraded SKF Explorer bearings.
  • 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. 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 more relaxed, the lubricant lasts longer, and maintenance intervals can be extended.
    • Noise and vibration levels can be reduced.

Applications of Toroidal Roller Bearings

Here are examples of applications in which CARB toroidal roller bearings might be used:​

  • Industrial transmission
  • Metals
  • Pulp and Paper
  • Mining, mineral processing, and cement
  • Industrial fans
  • Marine

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Roller Bearing Video