The materials used slewing

ring and rolling element materials
Under normal circumstances, slewing bearing using-hardened carbon chromium bearing steel. Or GCr15SiMn GCr15 steel grades for manufacturing; slewing rings hardened steel is used when the user no special requirements, generally used in 50Mn steel, but sometimes in order to meet some of the needs of specific application hosts can also be provided by user specific conditions of use use other brands of hardened steel.
cage materials
Slewing ring with a cage with the overall style, segmented, isolated block structure of the form. Where overall style and segmented cage with 20 gauge steel or cast aluminum alloy ZL102. Isolated block 1010 by polyamide resin, ZL102 cast aluminum and other manufacturing.
seal material
Slewing ring with oil resistant nitrile rubber material used manufacture.