1.ISO9001 Quality 2.Moderate price 3.Good material 4.High precision Ring Material: Carbon steel,Chrome steel(bearing steel) ,Stainless steelApplication:Electrical and mechanical equipment - plastic machinery office equipment - textile machinery shaft medical equipment - fitness and sports equipmenModel No:1206-1220;1306-1320;2206-2220;2306-2320. 1206 1307 2207 2308Self-aligning Ball Bearing