... .Exported:India,Manila,Singpore 4.Stock Precision gear box bearinggear box bearingBearing brand:NTN,NSK,ZWZ,HRB , SO ... as SRL ,PS2, Alvania R12 and so on Series gear box bearing series Ring MaterialChrome Steel ,Carbon steel,Stainless steel Tolerance ... .Appearance inspectionH.Rust preventionI.Product packaginggear box bearing picture show:our factory picture show: Precision gear box bearing