JB040XP0 美国KAYDON机器人轴承 NC047AR0,JB040XP0尺寸,JB040XP0尺寸参数,NC047AR0重量参数,NC047AR0尺寸参数

KF040XP0 美国KAYDON建筑设备轴承 JB040XP0,KF040XP0参数,KF040XP0价格交期,JB040XP0尺寸参数,JB040XP0价格货期