背对背: back to back配置: dispose; deploy; allocation; ...滚动轴承: rolling bearing背对背配置: back to back arrangement; back-to-bacd arrangement面对面配置（滚动轴承）: face to face arrangement (rolling bearing)滚动轴承: ball/rolling bearing; folling bearing; roller contact bearing; roller-bearing; rolling bearings; rolling contact bearing滚动轴承杯: bearing cup滚动轴承钢: roller bearing steel滚动轴承间: roller bearing shop背对背: back to back◇背对背二极管 back-to-back diode滚动轴承包装: rolling bearings-packaging and packing滚动轴承词汇: rolling bearings-vocabulary滚动轴承代号: rolling bearing identification code滚动轴承附件: rolling bearings accessories-plummer block housings-boundary dimensions滚动轴承钢丝: roller bearing wire滚动轴承夹套: taper claming sleeve滚动轴承外圈: housing washer滚动轴承油封: rolling bearing oil seal滚动轴承座圈: runner race; runner ring减摩滚动轴承: anti-friction roller bearing耐磨滚动轴承: antifriction roller bearings减摩轴承，滚动轴承: anti-friction bearing轴承系列（滚动轴承）: bearing series (rolling bearing)成对安装（滚动轴承）: paired mounting (rolling bearing)尺寸系列（滚动轴承）: dimension series (rolling bearing)
