标准摘要
Cross Reference: AMS-QQ-C-390,AMS-S-7420,AMS-STD-66,AMS2417,AMS4640,AMS6349,AMS6382,AMS6440,AMSQQC390,AMSQQP416,AMSS7420,AMSSTD66,ANSI/ASME/B46.1,MIL-PRF-23827,MIL-PRF-81322
英文名称BEARING, ROLLER, SELF-ALIGNING, DOUBLE ROW TORQUE TUBE, AIRFRAME, ANTI-FRICTION, SEALED, TYPE IV