Ship Deck Cranes
Depending on the different required load carrying 
capacity,double row ball, four point contact ball
or three row roller slewing bearingare selected
for deck cranes. Large size three row roller slewing
bearing is often selected for heavy duty deck
crane,four point contact ball or double row
ball slewing bearingare often selected for
light duty deck cranes. High mechanical property
of the material required for this kind of slewing
bearing as they work under the environment with
temperature -20°C to +45°C.
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