SL045014PP2NRSL045015PP2NRSL045016PP2NRSL045015PP
滚子轴承滚针轴承推力
双列滚子圆柱SL045012PP
双列滚子圆柱SL045013PP
滚子圆柱轴承045012
滚子圆柱轴承SL045010
滚子内径外径承重