1.NSK 12 series bearing 2.Prompt delivery 3.High quality 4.OEM is accepted Hot sale Self-aligning ball bearing series self-aligning ball bearing series :NSK1200,1300,2200,2300 ,etc Number of row double row Quality standard ISO 9001:2008 Greese/Oil As you requirement, such as SRL ,PS2, Alvania R12 and so on Ring MaterialChrome Steel ,Carbon steel, Stainless steel... Precision p0,p6,p5,p4 ...