标准摘要 Cross Reference: AMS2417,AMS3652,AMS6440,AMS6444,AMSQQP416,ANSI/ASME/B46.1,FED-STD-66,MIL-PRF-23827,MIL-PRF-81322 展开完整摘要 英文名称BEARING, BALL, AIRFRAME, ANTI-FRICTION, HEAVY DUTY