JDB-250球墨铸铁轴承,是以HT250为基材嵌入固体润滑剂的新产品,是一种典型的省材产品。若在压力<14.5/mm2时或机械性能要求不是很高的场合,可作JDB-650材料的取代品。能大大地降低成本满足使用要求。例如:模具导柱、注塑机模架等领域完全可以使用。JDB-250 is based on cast iron HT250 and embedded with solid lubricant Very good performance when under low load.Not suitable for middle and high load.A typical cost saving material,can subsitute JDB-650 to be applied in the position without high requirements such as die guider,plastic injection machines etc.