选择属性重置展开属性列表种类角接触球轴承轴承材质SUJ2内径d81012151720253035404550外径D222628303235404247525562687275808590宽度B7891011121314151617181920接触角25°角接触球轴承产品型号7008SU-P5品牌国产厂订号7008SU-P5已选属性内径d40宽度B15外径D68轴承材质SUJ2种类角接触球轴承