... 2. chrome steel Gcr15 3. low noise 4. high precision bearing Description Products NameTaper roller bearing 30210,NU205,NU1000 ... Contact us:Company Name: Yantai Runlong Bearing Co., Ltd.Street Address: No. 117, Zhichu Road, Zhifu District, Yantai, Shandong, China (Mainland) City: YantaiProvince/ ... http://fmzccc.cn.alibaba.com ALI BABA ID:cnrunlongbearing China's high quality cylindrical roller bearing