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Four special categories of turret bearing materials

Source: China Bearing Network Time: 2017-12-04

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Bearing professional information four major categories 1, under normal circumstances; turntable bearing ring selection 50Mn, but sometimes in order to meet the needs of special use occasions host chooses 42CrMo.
2, the roll body is usually selected GCr15SiMn.
3. The type of the adhering device has different layout types such as integral type, segmented type, and blocking block type. The integral type or segmented type adhering device adopts 20# steel or ZL102 cast aluminum alloy. The block type retainer adopts polyamide. 1010 resin, ZL102 cast aluminum alloy or QA110-3-1.5 aluminum bronze.
4, sealing ring information: oil-resistant rubber; fluorine-containing rubber; oil-resistant nitrile rubber. The clearance of the slewing bearing of the slewing bearing is mainly used to compensate for the manufacturing errors and device errors of the turret bearing support parts and the relevant host device parts to ensure the bearing The normal use. According to the layout type of the slewing bearing / public service level and the pitch diameter of the roll group; the clearance value of the slewing bearing or the interference.

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