... for our products and our price is reasonable. LIAOCHENG ENDERUI BEARING CO.,LTD is a original manufacturer,so we can provide ... :GCr15--China,(AISI)52100--American,(Din)100Cr6--GermanyShield/closure:open bearing,Z,ZZ,RS,2RSSnap ring:N,NRVibration and noise level ... the opportunity to use our expertise to solve your toughest bearing applications.Update Date:2010-11-18 0:04:48 deep groove ball bearing