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Radial spherical plain bearings

Radial spherical plain bearings can accommodate a certain amount of axial load Fa in addition to the simultaneously acting radial load Fr (fig. 1). When the resultant load is constant in magnitude, the equivalent dynamic bearing load can be calculated using

P = y Fr

where

P=equivalent dynamic bearing load [kN]

Fr

=

radial component of the load [kN]
y
=

load factor that depends on the ratio of the axial to the radial load Fa/Fr

  • for spherical plain bearings requiring maintenance and SKF Explorer steel/steel bearings (diagram 1)
  • for maintenance-free radial spherical plain bearings (diagram 2)
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