Slewing Ring for Excavator

High Stability Slewing Ring Bearing for Tower Crane Long service life and accuracy operation are the basic characteristics for three row rings Type selection method for slewing bearing suitable for tower crane (1) There are four types of structure in common use: single volleyball type, cross...

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High Stability Slewing Ring Bearing for Tower Crane

Long service life and accuracy operation are the basic characteristics for three row rings

Type selection method for slewing bearing suitable for tower crane

(1) There are four types of structure in common use: single volleyball type, cross roller type, double volleyball type and three row column type. Under the load of 160 tons overturning moment, the performance-price ratio of single-volleyball slewing bearing is higher than that of three-row column slewing bearing. When the overturning moment is higher than 160 tons of rice, priority should be given to three row slewing bearing.

(2) selection of single volleyball slewing bearing series. At present, there are three series of sizes and specifications of single volleyball slewing bearing in China: HS series, Q series and 01 series.

 

 


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