Sumitomo SC350 Bottom Roller

Sumitomo SC350 Bottom RollerProduct DescriptionCrawler Crane Undercarriage Parts Track Roller/Bottom Roller/Lower Roller1.product information1).Warranty: One Year/1800-2000hours 2). Accept : OEM OR Drawing 3).Certificate:ISO9001:2008 ;ISO1004:2004 4) Material: 50Mn,etc. 5) SC350 Track Roller Technique: Forging 6)Crawler Crane Undercarriage parts includes:Track shoe, Track Roller, Top Roller, Sprocket, Idler,Pin, Track Chain. 7)For Machinery:Track Roller For Crawler Crane