bearing support parts via steel casting is important for bearing Product Name:gear,rocker arm,support roller,roller boss,pinion,trunnion,bearing ... anchor chain,slag pot etc. Material:Carbon steel,low alloy steel:ZG20SiMn,ZG50Mn,ZG35SiMn,ZG35CrMo,ZG35SiMnMo,ZG42CrMo,ZG40Cr,ZG34CrNiMo ... .It is relatively cheaper and a sufficiently refractory for steel foundry use. A suitable bonding agent (usually clay) ...