同义词
1)radial ball bearing,radial contact ball bearing,向心球轴承2)bearing,single row radial,Single row radial ball bearing,单列向心球轴承3)double row radial ball bearing,双列向心球轴承4)double row radial contact ball bearing,双列向心球轴承5)single row radial contact separable ball bearing,分离型单列向心球轴承6)groove type radial ball bearing,沟道型向心球轴承
