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Double Row Different Ball Diameter Slewing Bearings

Double Row Different Ball Diameter Slewing Bearings

Features of Double Row different ball diameter Slewing Bearings: Double Row different ball diameter Slewing Bearings can support high static loads with simple structures. They are mainly used in situations with variational load position and direction and continuously rotating. Main applictions of this kind of bearings are deck hoisting, mining and material handing, etc.

Description

  

ZYS Slewing bearing 7.jpgDouble Row different ball diameter Slewing Bearings Performance


ZYS slewing bearings can be divided into the following types according to their structures as single row four point contact ball slewing bearing, single row cross roller slewing bearing, double row different ball diameter slewing bearing, three row cylindrical roller slewing bearing and roller/ball combination slewing bearing. These types of bearings can be further divided into bearings without gears, bearings with external gears and bearings with internal gears.

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Features of Double Row different ball diameter Slewing Bearings:

Double Row different ball diameter Slewing Bearings can support high static loads with simple structures. They are mainly used in situations with variational load position and direction and continuously rotating. Main applictions of this kind of bearings are deck hoisting, mining and material handing, etc.

Materials of slewing bearing:

42CrMo is generally used for ZYS slewing ring with surface quenching treatment of the raceway. Other kinds of surface quenched steel can also be used according to customer specification and operating conditions. 

Materials of rolling element:

The material of rolling elements in ZYS bearing is GCr15 or GCr15SiMn steel.

Material of cage:

Various types of cage are used in ZYS slewing bearing, which can be divided into integrated cage, segmented cage, spacer and etc. 20 steel or ZL102 cast aluminum alloy is used for integrated cage and segmented cage. For spacer, the material is polyamide 1010 resin, ZL102 aluminum bronze, QA110-3-1.5, aluminum bronze or GRPA 66-25 nylon.

Material of sealing ring:

The sealing ring is made of NBR.

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