Deep groove ball bearing 6305-2rs 1) ISO9001:2008 2) Material: GCr15, ... 3) Wide application About us:We are a professional deep groove ball bearing manufacture in Cixi,China.We engage in 6000 ... ,9Cr182.Quality standard: ISO9001:20083.Precision standard: ABEC-14.Shield type: Open, Z, ZZ, RS, 2RS5.Feature: Low noise,good quality6 ...