32220U型号尺寸，32220U轴承价格,32220U采购53206-重量,53206-尺寸,53206-参数,GAKL8-PB重量,GAKL8-PB尺寸,GAKL8-PB参数GE160TXA-2RS货期价格,GE160TXA-2RS图纸参数,GE160TXA-2RS...