1. Under normal circumstances, 50Mn is used for the slewing bearing ring, but sometimes 42CrMo is used to meet the needs of the host in special applications.

2. GCr15SiMn is generally used for rolling elements.

3. The type of retainer has different structural types such as integral type, segment type, isolation block type, etc. The integral or segmented retainer is made of 20# steel or ZL102 cast aluminum alloy. The spacer block retainer adopts polyamide 1010 resin, ZL102 cast aluminum alloy or QA110-3-1.5 aluminum bronze.

4.Sealing ring material: oil-resistant rubber, fluorine-containing rubber, oil-resistant nitrile rubber.