hitachi zax330 zax450 compatible excavator bottom roller

{"cid":"91190803","title":"50Mn Steel HRC 40-55 Track Bottom Roller for Hitachi ZAX330\/ZAX450 Excavators Heavy Duty Undercarriage Roller","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/0b\/d82b81863c412c52a5d35894fa20-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"YT","Model Number":"YT-ZAX330-450-HD","Minimum Order Quantity":"1 PCS","Delivery Time":"7-30 Days","Place of Origin":"China","Supply Ability":"10000 PCS\/Month","Packaging Details":"Export Packaging","Warranty Time":"12-18 Months","Material":"50Mn Steel","Quality":"Heat Treatment HRC 40-55","Certification":"ISO9001:2008\/CE","Payment Terms":"L\/C, T\/T","Colour":"Yellow or Black or Customer Required","HRC Depth":"4-10 mm","Technique":"Forging\/Casting"}}