side bearing oak block侧轴承橡木垫块
sliding bearing pillow block滑动轴承台
bearing g block矿枉煤柱
Bearing plummer block unit立式外球面轴承箱组
plain bearing pillow block普通轴承轴台
bearing pillow block滚珠轴承轴台
bearing plumber block滚珠轴承轴台
roller bearing pillow block滚柱轴承轴台
Ball bearing pillow block枕式球轴承箱组