Detailed Product Description brass bearing1.Material :chrome steel Gcr152.Cage:brass3.EMQ quality, ISO9001-2000 Certificate 4.OEM service5.Models:we have deep groove ball bearing,cylindrical roller bearing,tapered roller bearing,needle roller bearing etc6.Series:60,62,63,622,623,68,69,618,619..SERIES..7.Application:motorcycle,automobiles,pumps,machinery and so on ....