Detailed Product Description flanged bearing1.Product quality: ABEC-1, ABEC-3,ABEC5...2. Product material: Chrome steel SAE 52100, stainless steel SUS 440C...3.Quality:EMQ quality,ISO 9001-2000 certificate4.Large sales make low prices.5.Product number: F605,F606, F607, F608, F609, F625, F626, F627, F628, F629, F683, F684, F685, F686, F687, F688, F689, F693, F694, F695, F696, F697, F698, F699