Date: 2013-08-22

SKF wheel bearing special material four broad categories

1, under normal circumstances, 50Mn for slewing bearing rings, but sometimes in order to meet the needs of a specific application host 42CrMo.
2, rolling elements usually GCr15SiMn.
3, retainer type with integral, segmentation, quarantine, block and other different structure types. Integral type or segmented cage 20# ZL102 cast aluminum alloy or steel. Isolation cage made of polyamide 1010 resin, ZL102 cast aluminum alloy or QA110-3-1. 5 aluminium bronze.
4, sealing ring material: oil-resistant rubber, fluorine rubber, oil resistant nitrile rubber. Slewing bearings wheel bearing internal clearance clearance is mainly used for compensation of slewing bearing manufacturing errors with the relevant parts of the host Assembly of parts and installation errors to ensure that the SKF bearings in normal use. According to the structural types/tolerance class slewing bearings and rolling element diameter section of the group, bearing clearance or interference.  

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