选择属性重置展开属性列表种类深沟球轴承类型开放型双侧带防尘盖型接触式橡胶密封非接触式橡胶密封结构带法兰型带止动槽轴承材质SUJ2内径d1.5234567891012151720253035404550556065707580外径D4567891011121314151617192021222426283032353740424752555862656872757880859095100105110115120125130140150160170宽度B1.22.32.533.5456789101112131415161718192021222324252627293133353739精度P0恩斯克(NSK)深沟球轴承 接触式橡胶密封型产品型号6903DDU-NSK品牌恩斯克(NSK)厂订号6903DDUCM描述BBJ已选属性内径d17宽度B7精度P0类型接触式橡胶密封外径D30轴承材质SUJ2种类深沟球轴承