Designs and variants

Basic design bearings

Depending on their series and size, SKF spherical roller thrust bearings are manufactured to two basic designs. Their cage forms a non-separable unit with the shaft washer and rollers.

Bearings with no designation suffix (e.g. 29272)

  • are fitted with a machined brass prong-type cage as standard (fig. 1)

E design bearings (designation suffix E)

  • have larger rollers and an optimized internal design for increased load carrying capacity
  • are fitted with one of the following cages, depending on bearing size:
    • size ≤ 68 → stamped steel window-type cage (fig. 2)
    • size ≥ 72 → machined metal prong-type cage (fig. 1)

Cages in SKF spherical roller thrust bearings are an integral part of the bearing internal design. All SKF spherical roller thrust bearings contain a strong metal cage. This enables them to tolerate high temperatures and operate with all lubricants.

For additional information about the suitability of cages, refer to Cages and Cage materials.

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