Product Name: Track Rollers for Excavators, Bulldozers Model NO.: PC200,PC60,EX200,EX100,EX120,E200B,SH120,SH100,SK Condition: New Certification: ISO9001: 2000 Size: Large-Scale Usage: Special Excavator, Marine Excavator, Mining Excavator, GM Excavator Type: Crawler Excavator Origin: China HS Code: 8431499900 Product Description Track Rollers(Bottom Rollers): Our Products are using different heat treatment and production technology according to the different working condition which optimizes working PerformanceThe metal bushing and Perfect internal Design reduce friction and increase lubricationWe main supply the track rollers for :KOMATSU:PC30,PC40,PC60,PC100,PC120,PC200,PC210,PC220,PC230,PC300,PC350,PC400 HITACHI:EX55,EX60,EX70,EX100,EX120,EX200,EX230,EX300,EX400,EX350,EX335 CATERPILLAR:E305,E70B,E307,E312,E120B,E320,E200B,E330,E300B,20HT, SUMITOMO:SH60,SH120,SH100,SH200,SH280,SH260,SH265,SH220,SH340,SH300,SH300-A2,SH400,SH430,SH580 KOBELCO:SK55,SK60-5,SK100,SK120,SK200,SK230,SK200-8,SK250-8,SK330; KATO:HD250,HD450,HD512,HD700,HD770,HD400-1,HD400-2,HD550,HD1250,HF1430,HD800,HD820,HD1220 DAEWOO :DH55,DH60,DH80,DH150,DH220,DH258;DH300,DH250 HYUNDAI :R60-5,R60-7,R80,R200,R215-7,R225-7,R290,R300;R130,R280,R450,R335,R220,R210,R290,R292. Others:IHI35,IHI55,IHI50,IHI80,YANMAR75,CASE55,CASE75