Cat 312 Bottom Roller for Excavator, Track Roller Manufacturers

Our main products are undercarriage parts:Track roller(Bottom roller),Top roller(Carrier roller),Sprocket rim(Segment),Front idler,Track chain(Track link assy),Track shoe assy(Track group with shoes),bolts&nuts, pins&bushins.Excavator spare parts : bucket teeth, grader blades.Material50MnFinishSmoothColorsBlack or yellowTechniqueForging castingSurface HardnessHRC53-57,deepth:8mm-12mmWarranty time1900 hoursCertificationISO9001 and SONCAPFOB PriceFOB USD 30-400/PieceMOQ2 piecesDelivery TimeWithin 30 days after contract establishedSTARKEA Products are Excavator bucket teeth&adapter, Grader Blades,excavator undercarriage parts, excavator buckets, slewing bearings, high strength fastners, pin&retainer, bolts&nuts, ect and customized Investment casting, die casting, sand casting, Stamping and machining parts with kinds of materials like carbon steel,Stainless steel,alloy steel, grey iron ,ductile iron ,aluminum.copper ect.  BRANDCATALOGUEBULLDOZERD20D30D31D37D40D41D45D50D60D65D68D75D80D85D150D155D275D355D3CD3DD4CD4DD4HD5D6CD6DD6HD7GD8KD8ND9ND10ND11N   KO-MATSUPC30PC40PC45PC60PC75PC100PC120PC150PC200PC220PC300PC350PC400     CAT-ERPILLARE70BE110E120BE215E235E307E311E312E322E180E240E200BE320E300E300BE330E325 HI-TACHIEX30EX40EX60EX100EX120EX200EX220EX270EX300EX400EX600UH043UH052UH53UH07UH081UH082UH083FIAT-HITACHIFH120FH130FH150FH200FH220FH270FH300  VO-LVOEC55EC130EC150EC200EC210EC240EC290EC360 DAE-WOODH55DH130DH180DH200DH280DH300DH320  HY-UNDAIR60R130R200R210R220R290R320R914 KA-TOHD250HD400HD450HD700HD770HD820HD1250  KO-BELCOSK40SK60SK100SK120SK200SK220SK04-2SK07 SK07N2SK09SK12SK14SK300SK310SK400  JC BJS70JS75JS110JS130JS160JS180JS200JS220 JS240JS260JS300JS330     SU-MITOMOSH70SH100SH120SH160SH200SH260SH265SH280SH300SH340LS2650LS2800LS3400LS4300     MX8SE200SE210SE280MX292SE350   MIT-SUBISHIMS110MS120MS140MS180    /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1