1.high quality ball bearing 2.C3 clearance 3.with snap ring 4.have stock 5.good ... rank: Z,Z2,Z3,Z46 Internal elimination code: C0,C2,C3,C4,C57Bearing..material:bearing,,steel(9Cr18),stainless steel(AISI440C,AISI304 ... /750, 6315,16072, 60872, 60/800, 6316, 61809.2ZR.NR.C3 deep groove ball bearing