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。
zzzy criticality code justification, material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications reference number differentiating characteristics