一種不可調滾柱軸承,由單列或多列淬硬圓柱滾子和保持架組成,可帶或不帶內圈或外圈。不含:軸承、滾柱、機架。
material will be in accordance with navicp activity hx quality control, manufacturing and testing specifications reference number differentiating characteristics, zzzy criticality code justification