标准摘要 Cross Reference: AMS-QQ-P-415,AMS11P416,AMS2417,AMS3652,AMS6440,AMS6444,ANSI/ASME/B46.1,MIL-PRF-23827,MIL-PRF-81322 展开完整摘要 英文名称BEARING, BALL, AIRFRAME, ANTI-FRICTION, SELF-ALIGNING, DOUBLE ROW, HEAVY DUTY